NCGR-Corvallis Pyrus Catalog

Pyrus Core Subset

Note: Scions cannot be certified free of Erwinia amylovora

Follow links to the Germplasm Resources Information Network (GRIN) for additional accession information.
Catalog last updated: 10 March 2016

NCGR-Corvallis Distribution Policies

Traits listed are intended for preliminary subgrouping of accessions. Traits are from germplasm release notices, published reports, or observations made at NCGR-Corvallis.

• Abbe Fetel (Abate Fetel) = PI 260195 (10.004) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1990 PV-1995
  - Traits: FIRE BLIGHT SUSCEPTIBLE, LOW CHILL, QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM, DNA Standard, CURATOR CHOICE, PARTHENOCARPIC
• Akca = PI 324124 (12.002) - Pyrus communis L.
  - Virus Lab Assays - Negative: ASGV-1989, Uncertain: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1990 PV-1989 VC-1989
  - Traits: EARLY RIPE, DIPLOID (flow cytometry)
• Angelica Di Saonara = PI 541326 (1057.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1988 M.micromalus-2002 N.Poiteau-1989 P.Crassane-1984 Pyronia-1988
  - Traits: VERY EARLY RIPE, DIPLOID (flow cytometry)
• Anjou = PI 617502 (63.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1998 N.Poiteau-1998 Pyronia-1998
  - Traits: VERY LATE RIPE, FIRE BLIGHT SUSCEPTIBLE, QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM
• Anjou - Gebhard Red = PI 541248 (475.002) - Pyrus communis L. - VIRUS INFECTED
  - Pedigree: Anjou, red bud mutation
  - Virus Lab Assays - Positive: PBCVd-2000
  - Virus Biological Assays - Negative: A20-2004 NP-1990 PV-1989
  - Traits: FIRE BLIGHT SUSCEPTIBLE, RED SKIN, DIPLOID (flow cytometry)
• Anjou - Naumes = PI 541365 (21.001) - Pyrus communis L.
  - Pedigree: Productive Anjou selection from Naumes Orchard
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986
  - Virus Biological Assays - Negative: M.micromalus-1998 N.Poiteau-1987 P.Crassane-1984 Pyronia-1985 V.Crab-1988
  - Traits: LATE RIPE, FIRE BLIGHT SUSCEPTIBLE, QUINCE COMPATIBLE, DIPLOID (flow cytometry)
• Arganche = PI 264694 (23.002) - Pyrus communis L.
  - Virus Lab Assays - Negative: ASGV-1989 PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1987 PV-1987 VC-1989
  - Traits: COMPACT HABIT, EARLY RIPE, MILDEW RESISTANT, DIPLOID (flow cytometry)
• Aurora = PI 541119 (25.001) - Pyrus communis L.
  - Pedigree: Margherite Marillat x Bartlett
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986, Uncertain: ASGV-1989
  - Virus Biological Assays - Negative: Bosc-1989 LA62-1983 M.micromalus-1995 N.Poiteau-2003 Pyronia-1985 V.Crab-1985
  - Traits: QUINCE COMPATIBLE, DIPLOID (flow cytometry) CURATOR CHOICE
• Ayers = PI 541722 (1059.005) - Pyrus hybrid
  - Pedigree: Garber x Anjou
  - Virus Biological Assays - Negative: NP-1991 PV-1991
  - Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT, ATTRACTIVE, SIMILAR TO SECKEL, CURATOR CHOICE, DIPLOID (flow cytometry 2012)
• B-11 = PI 437066 (906.001) - Pyrus communis L.
  - Pedigree: Selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: LA62-1983 M.micromalus-1998 N.Poiteau-1985 Pyronia-1985
  - Traits: ROOTSTOCK, DIPLOID (flow cytometry)
• BP-1 (Bien Donne 1) = PI 436538 (101.001) - Pyrus communis L.
  - Pedigree: Seedling selection from seed collected wild in S. Africa
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986, Uncertain: ASGV-1989
  - Virus Biological Assays - Negative: Bosc-1989 LA62-1983 M.micromalus-2003 N.Poiteau-1988 P.Crassane-1984 Pyronia-1997
  - Traits: LATE RIPE, ROOTSTOCK-Semidwarf, Precocious, DIPLOID (flow cytometry)
• Ba Li Xiang [Ba Li Hsiang] = PI 541985 (27.002) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
  - Pedigree: old pear local selection from Liaoning and Hebei Provinces
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Positive: MM-2003, Negative: NP-1988 PV-1988
  - Traits: VERY LATE RIPE, FIRE BLIGHT RESISTANT, MILDEW RESISTANT, ROOTSTOCK, SCAB RESISTANT, DIPLOID (flow cytometry), HEIRLOOM
• Barland (3x) = PI 541123 (33.001) - Pyrus communis L.
  - Pedigree: Parentage unknown - probably ancient seedling tree
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986
  - Virus Biological Assays - Negative: M.micromalus-1998 N.Poiteau-1989 Pyronia-1985 V.Crab-1985
  - Traits: PERRY, ANCIENT, BITTERSHARP (HIGH ACID, HIGH TANNIN), POLYPLOID (3x flow cytometry 2008), HEIRLOOM
• Bartlett = PI 300693 (38.001) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986, Uncertain: ASGV-1989
  - Virus Biological Assays - Negative: Bosc-1987 M.micromalus-1997 N.Poiteau-1990 P.Crassane-1984 Pyronia-1988 V.Crab-1988
  - Traits: FIRE BLIGHT SUSCEPTIBLE, VIRUS INDICATOR, DIPLOID (flow cytometry), HEIRLOOM, MONOLINIA RESISTANT, DNA Standard
• Bartlett - French Compatible = PI 617536 (2335.001) - Pyrus communis L.
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1992 PV-1991
  - Traits: FIRE BLIGHT SUSCEPTIBLE, QUINCE COMPATIBLE, DIPLOID (flow cytometry)
• Bartlett - Low Chill from S. Africa = PI 617605 (2530.002) - Pyrus communis L.
  - Pedigree: Presumably - low chill sport of Bartlett
  - Virus Biological Assays - Negative: PV-2001
  - Traits: LOW CHILL, DIPLOID (flow cytometry)
• Bartlett - Max Red = PI 541249 (478.001) - Pyrus communis L.
  - Pedigree: Bartlett bud mutation
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-2003 N.Poiteau-2003 P.Crassane-1984 Pyronia-1985 V.Crab-1992
  - Traits: FIRE BLIGHT SUSCEPTIBLE, RED SKIN, DIPLOID (flow cytometry)
• Bartlett - Nye Russet = PI 541236 (423.001) - Pyrus communis L.
  - Pedigree: Bartlett bud mutation
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1996 N.Poiteau-1988 P.Crassane-1984 Pyronia-1984 V.Crab-1991
  - Traits: RUSSET FRUIT, DIPLOID (flow cytometry), CURATOR CHOICE
• Bartlett - Sensation Red = PI 292507 (396.002) - Pyrus communis L. - VIRUS INFECTED
  - Pedigree: Probably a Bartlett bud mutation
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Positive: MM-2003, Negative: NP-1989 PV-1987
  - Traits: FIRE BLIGHT SUSCEPTIBLE, RED SKIN, DIPLOID (flow cytometry)
• Bartlett - Swiss compatible with Quince = PI 267940 (1347.001) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1998 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985
  - Traits: FIRE BLIGHT SUSCEPTIBLE, QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM
• Batjarka (3x) = PI 483391 (1545.002) - Pyrus communis ssp. pyraster (L.) Ehrh.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1987 PV-1989
  - Traits: PSYLLA RESISTANT, LOW CHILL 730 hrs, SCAB RESISTANT, POLYPLOID (3x flow cytometry 2007), HEIRLOOM
• Beierschmitt = PI 541455 (1306.003) - Pyrus communis L.
  - Pedigree: Seedling selection of cultivar Bartlett
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: NP-1990 PV-1991, Uncertain: MM-2003
  - Traits: QUINCE COMPATIBLE, COLD HARDY, DIPLOID (flow cytometry)
• Bella di Giugno (=Mirandino Rosso) = PI 324125 (40.004) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: NP-1991 PV-1989 VC-1989
  - Traits: VERY EARLY RIPE, DIPLOID (flow cytometry)
• Belle Lucrative = PI 295091 (278.003) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: NP-1989, Uncertain: MM-2003
  - Traits: LATE RIPE, DIPLOID (flow cytometry), COMPACT HABIT, HEIRLOOM
• Bergamote de la Pentecote = PI 105136 (1065.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1998 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985
  - Traits: DIPLOID (flow cytometry), HEIRLOOM
• Bestever = PI 541559 (2292.001) - Pyrus communis L. - VIRUS INFECTED
  - Pedigree: Comice x Louis Pasteur
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Positive: VY-2004, Negative: MM-1998 NP-1993 PV-1993, Uncertain: ASGV-2004
  - Traits: DIPLOID (flow cytometry), HEIRLOOM
• Beurré Alexandre Lucas (3x) = PI 541132 (58.004) - Pyrus communis L. - VIRUS INFECTED
  - Pedigree: Chance seedling
  - Virus Lab Assays - Positive: PBCVd-2000
  - Virus Biological Assays - Negative: NP-1993 PV-1993
  - Traits: QUINCE COMPATIBLE, POLYPLOID (3x flow cytometry 2008), HEIRLOOM, LATE RIPE (WINTER PEAR), FIRE BLIGHT RESISTANT
• Beurré Capiaumont = PI 104532 (1073.004) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1990 PV-1987
  - Traits: QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM
• Beurré Clairgeau = PI 541133 (59.002) - Pyrus communis L.
  - Pedigree: Seedling of cultivar Duchess D'Angouleme
  - Virus Lab Assays - Negative: ASGV-1989 PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1987 PV-1987
  - Traits: LATE RIPE, FROST RESISTANT, MONOLINIA RESISTANT, DIPLOID (flow cytometry), HEIRLOOM
• Beurré Dumont = PI 541142 (74.002) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: ASGV-1989 PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1990 PV-1987 VC-1989
  - Traits: FIRE BLIGHT SUSCEPTIBLE, MONOLINIA RESISTANT, DIPLOID (flow cytometry), HEIRLOOM
• Beurré Easter = PI 483363 (75.002) - Pyrus communis L.
  - Virus Lab Assays - Negative: ASGV-1989 PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1995
  - Traits: VERY LATE RIPE, QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM
• Beurré Flon = PI 105548 (1069.002) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1989 PV-1987
  - Traits: LATE RIPE, DIPLOID (flow cytometry), HEIRLOOM, FIRE BLIGHT RESISTANT
• Beurré Giffard = PI 541144 (77.002) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000, Uncertain: ASGV-1989
  - Virus Biological Assays - Negative: MM-2002 NP-1990
  - Traits: QUINCE COMPATIBLE, EARLY RIPE, COLD HARDY (fruited in Anchorage), DIPLOID (flow cytometry), HEIRLOOM
• Beurré Hardy = PI 300691 (1187.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: ASGV-1989 PBCVd-2000 TOMRSV-1986
  - Virus Biological Assays - Negative: LA62-1983 M.micromalus-1997 N.Poiteau-1990 Pyronia-1987
  - Traits: FIRE BLIGHT SUSCEPTIBLE, VIRUS INDICATOR, QUINCE COMPATIBLE, MONOLINIA RESISTANT, DIPLOID (flow cytometry), HEIRLOOM
• Beurré Hardy - Royal Red = PI 541363 (480.002) - Pyrus communis L.
  - Pedigree: Beurre Hardy sport
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1989 PV-1989
  - Traits: FIRE BLIGHT SUSCEPTIBLE, RED SKIN, DIPLOID (flow cytometry)
• Beurré Superfin = PI 541150 (558.002) - Pyrus communis L. - VIRUS INFECTED
  - Pedigree: Chance seedling
  - Virus Biological Assays - Positive: NP-1997 PV-1997
  - Traits: QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM, CURATOR CHOICE
• Blakeney Red = PI 541151 (95.001) - Pyrus communis L.
  - Pedigree: Possibly a seedling of cultivar Thorn
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986, Uncertain: ASGV-1989
  - Virus Biological Assays - Negative: Bosc-1989 LA62-1983 M.micromalus-1995 N.Poiteau-2003 P.Crassane-1985 Pyronia-1991 V.Crab-1989
  - Traits: PERRY, MEDIUM SHARP (MEDIUM ACID, MEDIUM TANNIN), DIPLOID (flow cytometry), HEIRLOOM
• Blanquilla (=Spadona) = PI 617587 (2510.002) - Pyrus communis L.
  - Traits: LOW CHILL, EARLY RIPE, DIPLOID (flow cytometry 2012)
• Bosc - Golden Russet = PI 637986 (2376.001) - Pyrus communis L.
  - Pedigree: Sport of cultivar Beurre Bosc
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1992 PV-1992
  - Traits: RUSSET FRUIT, DIPLOID (flow cytometry), CURATOR CHOICE
• Bosc - OP-5 = PI 541387 (1165.001) - Pyrus communis L.
  - Pedigree: Seedling selection.
  - Virus Biological Assays - Negative: N.Poiteau-1985 P.Crassane-1985 Pyronia-1988 V.Crab-1988
  - Traits: FIRE BLIGHT SUSCEPTIBLE, VIRUS INDICATOR, SCAB RESISTANT, RUSSET SKIN, DIPLOID (flow cytometry), HEIRLOOM
• Bradford (P. calleryana) = PI 617646 (2577.001) - Pyrus calleryana Decne.
  - Pedigree: Seedling selection from seedlot PI 47261
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1996 NP-1996 PV-1996
  - Traits: ORNAMENTAL, MILDEW RESISTANT, LOW CHILL, DIPLOID (flow cytometry)
• Brandy = PI 541305 (103.001) - Pyrus communis L.
  - Pedigree: Parentage unknown
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986, Uncertain: ASGV-1989
  - Virus Biological Assays - Negative: M.micromalus-1995 Pyronia-1985 V.Crab-1989, Uncertain: N.Poiteau-2003
  - Traits: PERRY, MEDIUM SHARP (MEDIUM ACID, MEDIUM TANNIN), DIPLOID (flow cytometry), HEIRLOOM
• Butirra Precoce Morettini = PI 276764 (115.001) - Pyrus communis L.
  - Pedigree: Coscia x Williams
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986, Uncertain: ASGV-1989
  - Virus Biological Assays - Negative: Bosc-1989 LA62-1983 M.micromalus-1995 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1992
  - Traits: QUINCE COMPATIBLE, DIPLOID (flow cytometry), SCAB RESISTANT (Australia)
• Butirra Rosata Morettini = PI 282935 (119.001) - Pyrus communis L.
  - Pedigree: Coscia x Beurre Clairgeau
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986, Uncertain: ASGV-1989
  - Virus Biological Assays - Negative: Bosc-1989 LA62-1983 M.micromalus-1996 N.Poiteau-1990 P.Crassane-1984 Pyronia-1985 V.Crab-1989
  - Traits: VERY LARGE FRUIT, DIPLOID (flow cytometry), CURATOR CHOICE
• Cascade = PI 541472 (1725.002) - Pyrus communis L.
  - Pedigree: Max Red Bartlett x Comice
  - Virus Lab Assays - Negative: PBCVd-2000 PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1989 PV-1991
  - Traits: FIRE BLIGHT SUSCEPTIBLE, RED SKIN, DIPLOID (flow cytometry)
• Chanticleer (P. calleryana) = PI 541105 (2186.001) - Pyrus calleryana Decne.
  - Virus Biological Assays - Negative: MM-1997 NP-1989 PV-1991
  - Traits: FIRE BLIGHT RESISTANT, ORNAMENTAL, LOW CHILL, DIPLOID (flow cytometry), DNA STANDARD
• Choju (=Ichiban Nashi tm) = PI 638012 (2820.001) - Pyrus pyrifolia (Burm. f.) Nakai
  - Pedigree: Asahi x Kitsukawasei
  - Traits: FIRE BLIGHT SUSCEPTIBLE, SCAB RESISTANT, EARLY RIPE, DIPLOID (flow cytometry)
• Clapp Favorite = PI 502171 (1631.001) - Pyrus communis L.
  - Pedigree: Flemish Beauty x Bartlett
  - Virus Lab Assays - Negative: PBCVd-2000 PNRSV-1990
  - Virus Biological Assays - Negative: M.micromalus-1998 Pyronia-1988 V.Crab-1991, Uncertain: N.Poiteau-2003
  - Traits: FIRE BLIGHT SUSCEPTIBLE, MONOLINIA RESISTANT, DIPLOID (flow cytometry), HEIRLOOM
• Clara Frijs (Comtesse Clara Frijs) = PI 105193 (1079.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1988 M.micromalus-2002 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985
  - Traits: QUINCE COMPATIBLE, DIPLOID (flow cytometry), COLD HARDY, HEIRLOOM
• Conference = PI 541168 (156.001) - Pyrus communis L.
  - Pedigree: Seedling of cultivar Leon Leclerc de Laval
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1998 N.Poiteau-1990 P.Crassane-1984 Pyronia-1991 V.Crab-1991
  - Traits: QUINCE COMPATIBLE, DIPLOID (flow cytometry), apparently SELF-FERTILE (PARTHENOCARPIC), HEIRLOOM, DNA STANDARD
• Coscia = PI 292656 (159.002) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1989
  - Traits: DIPLOID (flow cytometry), HEIRLOOM
• Dabney (3x) = PI 541306 (164.001) - Pyrus hybrid
  - Pedigree: Seckel x Garber
  - Virus Lab Assays - Negative: TOMRSV-1986, Uncertain: ASGV-1989
  - Virus Biological Assays - Negative: M.micromalus-1996 N.Poiteau-1988 P.Crassane-1984
  - Traits: FIRE BLIGHT RESISTANT, QUINCE COMPATIBLE , PHS Favorite 2005, POLYPLOID (3x flow cytometry 2012)
• Dawn = PI 541170 (168.001) - Pyrus communis L.
  - Pedigree: Michigan 437 (Barseck x Bartlett) x Comice
  - Virus Lab Assays - Negative: ASGV-1989 PBCVd-2000 TOMRSV-1986
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1996 P.Crassane-1984 Pyronia-1985 V.Crab-1989, Uncertain: N.Poiteau-2003
  - Traits: QUINCE COMPATIBLE, DIPLOID (flow cytometry)
• Devoe = PI 541172 (173.001) - Pyrus communis L.
  - Pedigree: Probably a seedling of cultivar Clapp Favorite
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986
  - Virus Biological Assays - Negative: M.micromalus-1996 Pyronia-1997, Uncertain: Bosc-1989 N.Poiteau-2003
  - Traits: FIRE BLIGHT SUSCEPTIBLE, QUINCE COMPATIBLE, DIPLOID (flow cytometry), CURATOR CHOICE
• Docteur Jules Guyot (=Limonera) = PI 541178 (192.001) - Pyrus communis L. - VIRUS INFECTED
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: TOMRSV-1986
  - Virus Biological Assays - Positive: N.Poiteau-1985
  - Traits: DIPLOID (flow cytometry), SCAB RESISTANT (Australia), HEIRLOOM, EARLY RIPE
• Doyenne du Comice = PI 271658 (148.001) - Pyrus communis L.
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986, Uncertain: ASGV-1989
  - Virus Biological Assays - Negative: Bosc-1989 LA62-1983 M.micromalus-1995 N.Poiteau-1985 Pyronia-1985 V.Crab-1989
  - Traits: LATE RIPE, FIRE BLIGHT SUSCEPTIBLE, FROST RESISTANT, QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM, CURATOR CHOICE, DNA STANDARD
• Doyenne du Comice - Crimson Gem = PI 541535 (2198.003) - Pyrus communis L.
  - Pedigree: Dark red sport of Regal Red
  - Virus Biological Assays - Negative: MM-1996 NP-1993 PV-1995
  - Traits: FIRE BLIGHT SUSCEPTIBLE, RED SKIN, QUINCE COMPATIBLE, DIPLOID (flow cytometry 2012)
• Duchesse d'Angouleme = PI 541303 (17.001) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1986
  - Virus Biological Assays - Negative: M.micromalus-1997 N.Poiteau-1989 P.Crassane-1984 Pyronia-1985 V.Crab-1985, Uncertain: Bosc-1988
  - Traits: LATE RIPE, FIRE BLIGHT RESISTANT, QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM, MONOLINIA RESISTANT
• Early Harvest (=Chambers) = PI 541183 (202.003) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1995 PV-1986 VC-1989
  - Traits: FIRE BLIGHT RESISTANT, EARLY RIPE, DIPLOID (flow cytometry), HEIRLOOM
• Erabasma (3x) (=Jeribasma?) = PI 483370 (1524.002) - Pyrus communis ssp. pyraster (L.) Ehrh.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1989 PV-1990
  - Traits: PSYLLA RESISTANT, POLYPLOID (3x flow cytometry 2007)
• Farmingdale = PI 541188 (221.001) - Pyrus communis L.
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1988
  - Virus Biological Assays - Negative: JA-1983 M.micromalus-1996 N.Poiteau-2003 P.Crassane-1984 Pyronia-1985 V.Crab-1991
  - Traits: LATE RIPE, FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry)
• Flemish Beauty = PI 541189 (225.003) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: TOMRSV-1988, Uncertain: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1989
  - Traits: FIRE BLIGHT SUSCEPTIBLE, COLD HARDY, MILDEW RESISTANT, QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM
• Forelle = PI 541191 (233.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1988
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1996 N.Poiteau-2003 Pyronia-1985 V.Crab-1992
  - Traits: LATE RIPE, FIRE BLIGHT SUSCEPTIBLE, DIPLOID (flow cytometry), HEIRLOOM
• General Le Clerc = PI 260157 (241.003) - Pyrus communis L.
  - Pedigree: Unknown, probably Comice seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1990 PV-1987 VC-1989
  - Traits: QUINCE COMPATIBLE, DIPLOID (flow cytometry)
• Gin = PI 541195 (246.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1988
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1996 N.Poiteau-1992 P.Crassane-1984 Pyronia-1987 V.Crab-1991
  - Traits: PERRY, MEDIUM SHARP (MEDIUM ACID, MEDIUM TANNIN), DIPLOID (flow cytometry)
• Gliva Ukrainskaya / Wilenska Plenna = PI 312497 (248.003) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1997 NP-1990 PV-1989
  - Traits: DIPLOID (flow cytometry)
• Golden Spice = PI 541547 (2273.001) - Pyrus communis L.
  - Pedigree: Parentage unknown
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1990 PV-1991
  - Traits: COLD HARDY, DIPLOID (flow cytometry)
• Gorham = PI 541196 (252.001) - Pyrus communis L.
  - Pedigree: Bartlett x Josephine de Malines
  - Virus Lab Assays - Negative: PBCVd-2000 TOMRSV-1988
  - Virus Biological Assays - Negative: M.micromalus-1999 N.Poiteau-1987 P.Crassane-1984 Pyronia-1987
  - Traits: FIRE BLIGHT SUSCEPTIBLE, QUINCE COMPATIBLE, DIPLOID (flow cytometry)
• Gourmet = PI 541804 (1661.001) - Pyrus hybrid
  - Pedigree: South Dakota F15 x Ewart
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1987
  - Traits: DIPLOID (flow cytometry), COLD HARDY
• Grand Champion (Gorham sport) = PI 541197 (253.003) - Pyrus communis L.
  - Pedigree: Russet sport of Gorham
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1990 PV-1995
  - Traits: QUINCE COMPATIBLE, DIPLOID (flow cytometry)
• Hang Pa Li = PI 315064 (268.001) - Pyrus ussuriensis Maxim.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1998 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985
  - Traits: MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
• Hansen Siberian Pear = PI 542004 (1095.001) - Pyrus ussuriensis Maxim.
  - Pedigree: Probably a seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: N.Poiteau-1989 Pyronia-1988, Uncertain: Bosc-1989 M.micromalus-2003
  - Traits: COLD HARDY, MILDEW RESISTANT, LOW CHILL, EARLY BLOOM, DIPLOID (flow cytometry), FIRE BLIGHT RESISTANT
• Harbin (P. ussuriensis) = PI 542019 (1318.001) - Pyrus ussuriensis Maxim.
  - Pedigree: Selection of seed-propagated variety from China
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2003 N.Poiteau-1988 P.Crassane-1984 Pyronia-1987
  - Traits: FIRE BLIGHT RESISTANT, COLD HARDY, MILDEW RESISTANT, DIPLOID (flow cytometry)
• Highland = PI 541207 (279.002) - Pyrus communis L.
  - Pedigree: Bartlett x Comice
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1990 PV-1989
  - Traits: FIRE BLIGHT SUSCEPTIBLE, QUINCE COMPATIBLE, DIPLOID (flow cytometry)
• Hood = PI 541311 (281.001) - Pyrus hybrid
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1997 N.Poiteau-1989 P.Crassane-1984 Pyronia-1985 V.Crab-1991
  - Traits: FIRE BLIGHT RESISTANT, LOW CHILL 260 hrs, DIPLOID (flow cytometry), apparently SELF-FERTILE, SCAB RESISTANT (Australia)
• Hosui = PI 541931 (2149.002) - Pyrus pyrifolia (Burm. f.) Nakai
  - Pedigree: (Kikusi x Yakumo) x Yakumo
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: NP-1990 PV-1991, Uncertain: MM-2000
  - Traits: FIRE BLIGHT SUSCEPTIBLE, BLACK SPOT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry), CURATOR CHOICE, DNA Standard
• Hung Li = PI 541993 (291.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
  - Pedigree: P. ussuriensis x P. phaeocarpa complex hybrid of ussuriensis (x bretschneideri)
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Positive: P.Crassane-1983 Vein Yellows-1985, Negative: Bosc-1987 Pyronia-2002, Uncertain: M.micromalus-2003
  - Traits: LATE RIPE, FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry)
• Japanese Pear x Quince hybrid PQ-5 = Q 24554 (14.001) - ×Pyronia sp.
  - Pedigree: Pyrus pyrifolia x Cydonia oblonga
• Jesinji Vodenac (3x) = PI 483392 (1546.005) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1990 PV-1990
  - Traits: SCAB RESISTANT, POLYPLOID (3x flow cytometry 2007)
• Johantorp = PI 285530 (304.001) - Pyrus communis L.
  - Virus Biological Assays - Negative: Bosc-1988 N.Poiteau-1987 P.Crassane-1984 Pyronia-1984 V.Crab-1988
  - Traits: VERY LATE RIPE, COLD HARDY, GOOD STORAGE, CURATOR CHOICE
• John Innes No. 3996 (5x?) = PI 205464 (706.002) - Pyrus communis L.
  - Pedigree: Uncertain, 5n
  - Virus Biological Assays - Negative: NP-1990
  - Traits: POLYPLOID (4x flow cytometry 2013)
• Jubilee = PI 437051 (306.001) - Pyrus communis ssp. pyraster (L.) Ehrh.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2003 Pyronia-1984
  - Traits: COLD HARDY, DIPLOID (flow cytometry)
• Kalebasa Plocka = PI 483373 (1527.001) - Pyrus communis ssp. pyraster (L.) Ehrh.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1997 N.Poiteau-2003 Pyronia-1985 V.Crab-1992, Uncertain: Bosc-1989
  - Traits: LATE RIPE, DIPLOID (flow cytometry)
• Kalle = PI 541312 (313.002) - Pyrus communis L.
  - Pedigree: Clapp Favorite mutant
  - Traits: FIRE BLIGHT SUSCEPTIBLE, RED SKIN, DIPLOID (flow cytometry)
• Kansu Pear = PI 40019 (314.001) - Pyrus sp. - VIRUS INFECTED
  - Pedigree: Seedling selection from seedlot collected wild in China
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Positive: B13-1983, Negative: M.micromalus-2003 Pyronia-1993, Uncertain: N.Poiteau-1983
  - Traits: DIPLOID (flow cytometry)
• Karamanlika (3x) = PI 617613 (2539.001) - Pyrus communis L.
  - Virus Biological Assays - Negative: NP-1999 PV-1999
  - Traits: PSYLLA RESISTANT, POLYPLOID (3x flow cytometry 2008)
• Kieffer = PI 541714 (1166.001) - Pyrus hybrid
  - Pedigree: P. pyrifolia x Bartlett
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: LA62-1983 M.micromalus-2003 N.Poiteau-1987 P.Crassane-1984 Pyronia-1985
  - Traits: LATE RIPE, FIRE BLIGHT RESISTANT, LOW CHILL 680 hrs, QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM
• Kikusui = PI 228014 (317.003) - Pyrus pyrifolia (Burm. f.) Nakai
  - Pedigree: Taihaku x Nijisseiki
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1998 PV-1998
  - Traits: FIRE BLIGHT SUSCEPTIBLE, BLACK SPOT RESISTANT, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
• Klementinka = PI 392320 (321.002) - Pyrus communis L.
  - Pedigree: Parentage unknown.
  - Virus Biological Assays - Negative: NP-2001 PV-2001
  - Traits: EARLY RIPE, CURATOR CHOICE
• Krupen Burnusus = PI 483387 (1541.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1997 N.Poiteau-1989 Pyronia-1985
  - Traits: PSYLLA RESISTANT, DIPLOID (flow cytometry), VERY EARLY RIPE
• Krylov = PI 127715 (1106.001) - Pyrus hybrid
  - Pedigree: Saponsky x Lincoln
  - Virus Biological Assays - Negative: M.micromalus-1998 N.Poiteau-1985 Pyronia-1989
  - Traits: FIRE BLIGHT RESISTANT, COLD HARDY, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
• Laioyang 50 = PI 144035 (1105.002) - Pyrus sp.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1989 PV-1989
  - Traits: MILDEW RESISTANT, LOW CHILL, EARLY BLOOM, DIPLOID (flow cytometry)
• Le Nain Vert (Genetic Dwarf) = PI 322035 (344.001) - Pyrus communis L.
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1999 N.Poiteau-1988 P.Crassane-1984 Pyronia-1987
  - Traits: GENETIC DWARF, SPECIALTY, DIPLOID (flow cytometry), HEIRLOOM
• Lesnaia Krasavitza (=Flemish Beauty) = PI 292375 (348.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1987 M.micromalus-2002 N.Poiteau-1988 P.Crassane-1984 Pyronia-1984 V.Crab-1989
  - Traits: COLD HARDY, DIPLOID (flow cytometry)
• Louise Bonne d'Avranches (L.B. de Jersey) = PI 541220 (358.002) - Pyrus communis L.
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1989 PV-1989
  - Traits: QUINCE COMPATIBLE, MONOLINIA RESISTANT, DIPLOID (flow cytometry), HEIRLOOM
• Luscious = PI 541322 (367.001) - Pyrus communis L.
  - Pedigree: SD-E31 x Ewart
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1988 N.Poiteau-1987 P.Crassane-1984, Uncertain: M.micromalus-2003
  - Traits: COLD HARDY (fruited in Anchorage), MILDEW RESISTANT, SCAB RESISTANT, LOW CHILL , FIRE BLIGHT RESISTANT, DIPLOID (flow cy
• Madame du Ballett = PI 231810 (389.002) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1990 PV-1989
  - Traits: DIPLOID (flow cytometry), HEIRLOOM
• Magness = PI 541299 (1167.001) - Pyrus communis L.
  - Pedigree: Seckel seedling x Comice
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2000 N.Poiteau-2003 Pyronia-1985
  - Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT, QUINCE COMPATIBLE, CYTOPLASMIC MALE STERILITY, DIPLOID (flow cytometry 2014)
• Marguerite Marillat = PI 541229 (381.005) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1990
  - Traits: MALE STERILE, DIPLOID (flow cytometry), HEIRLOOM
• Maxine = PI 541231 (547.001) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1998 N.Poiteau-1991 Pyronia-1991 V.Crab-1991
  - Traits: FIRE BLIGHT RESISTANT, MILDEW RESISTANT, QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM
• Meigetsu = PI 97348 (1119.001) - Pyrus pyrifolia (Burm. f.) Nakai
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-2002 N.Poiteau-1985 Pyronia-1988
  - Traits: FIRE BLIGHT SUSCEPTIBLE, MILDEW RESISTANT, DIPLOID (flow cytometry)
• Michurin Beurré Zimnaya (Winter) = PI 312503 (2386.001) - Pyrus hybrid
  - Virus Biological Assays - Negative: NP-1992 PV-1991
  - Traits: LATE RIPE, HEIRLOOM, COLD HARDY
• Monterrey = PI 541903 (1125.004) - Pyrus hybrid
  - Pedigree: Pineapple (?) x P. communis
  - Virus Biological Assays - Negative: MM-2002 NP-2003 PV-2002
  - Traits: FIRE BLIGHT RESISTANT, LOW CHILL, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
• Moonglow = PI 541315 (399.001) - Pyrus communis L.
  - Pedigree: US-Mich. 437 x Roi Charles Wurtemburg
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-2001 Pyronia-1984 V.Crab-1992
  - Traits: FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry)
• Morocco Common Pear = PI 104299 (1126.001) - Pyrus communis L. - VIRUS INFECTED
  - Pedigree: Probably a seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Positive: B13-1983 N.Poiteau-2002, Negative: Pyronia-1989
  - Traits: DIPLOID (flow cytometry)
• Muscat = PI 541511 (2119.002) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: NP-1992 PV-1992
  - Traits: DIPLOID (flow cytometry)
• Mustafabey = PI 324134 (406.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1997 N.Poiteau-1988 P.Crassane-1984 Pyronia-1984 V.Crab-1989
  - Traits: COMPACT HABIT, EARLY RIPE, MILDEW RESISTANT, DIPLOID (flow cytometry)
• NY 10353 = PI 541809 (1660.001) - Pyrus hybrid
  - Pedigree: Russet Flemish Beauty x NY 10257 (Bartlett x Ill. #65)
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2003 N.Poiteau-1987 Pyronia-1987 V.Crab-1989
  - Traits: FIRE BLIGHT RESISTANT, PSYLLA RESISTANT, MILDEW RESISTANT, DIPLOID (flow cytometry)
• Nan Guo Li [Nangon Li] = PI 541965 (2254.002) - Pyrus ussuriensis Maxim.
  - Pedigree: seedling selection from Liaoning
  - Virus Biological Assays - Negative: NP-1991 PV-1991
  - Traits: MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry), PERRY POTENTIAL, HEIRLOOM
• Naspati = PI 250449 (411.001) - Pyrus pashia Buch.-Ham. ex D. Don
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1985 P.Crassane-1984 Pyronia-1991 V.Crab-1988
  - Traits: VERY LATE RIPE, LOW CHILL, NOT COLD HARDY, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
• Nepal 5053 = PI 654923 (2642.002) - Pyrus pyrifolia (Burm. f.) Nakai
  - Virus Biological Assays - Negative: NP-2004
• Niitaka (=Singo) = PI 392317 (412.001) - Pyrus pyrifolia (Burm. f.) Nakai
  - Pedigree: Amanogawa x Imamuraaki
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1998 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1992
  - Traits: FIRE BLIGHT SUSCEPTIBLE, BLACK SPOT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
• Nijisseiki = PI 224196 (413.001) - Pyrus pyrifolia (Burm. f.) Nakai
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1987 N.Poiteau-1988 P.Crassane-1984 Pyronia-1984 V.Crab-1988, Uncertain: M.micromalus-2003
  - Traits: FIRE BLIGHT SUSCEPTIBLE, DIPLOID (flow cytometry), HEIRLOOM
• Nouveau Poiteau = PI 246419 (420.001) - Pyrus communis L. - VIRUS INFECTED
  - Virus Lab Assays - Positive: PBCVd-2000, Negative: ASGV-1989 TOMRSV-1986
  - Virus Biological Assays - Negative: M.micromalus-1996 N.Poiteau-1987 P.Crassane-1984 Pyronia-1984 V.Crab-1989, Uncertain: A20-2004 Bosc-1989
  - Traits: VERY LATE RIPE, VIRUS INDICATOR, DIPLOID (flow cytometry), HEIRLOOM
• OHxF 51 = PI 541369 (709.001) - Pyrus communis L.
  - Pedigree: Old Home x Farmingdale seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: B13-1983 M.micromalus-1998 N.Poiteau-2003 P.Crassane-1985 Pyronia-1984
  - Traits: ROOTSTOCK-Dwarfing, Blooms with Bosc, DIPLOID (flow cytometry)
• OHxF 87 = PI 541415 (1345.001) - Pyrus communis L.
  - Pedigree: Old Home x Farmingdale seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: N.Poiteau-1991 Pyronia-1984, Uncertain: M.micromalus-2003
  - Traits: ROOTSTOCK-Semidwarf, Productive, Large Fruit Size, DIPLOID (flow cytometry)
• OHxF 97 = PI 541370 (726.001) - Pyrus communis L.
  - Pedigree: Old Home x Farmingdale seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1998 Pyronia-1987, Uncertain: N.Poiteau-2003
  - Traits: FIRE BLIGHT RESISTANT, ROOTSTOCK-Vigorous, Productive, DIPLOID (flow cytometry)
• OHxF 333 = PI 541405 (1572.001) - Pyrus communis L.
  - Pedigree: Old Home x Farmingdale seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1998 N.Poiteau-1992 P.Crassane-1984 Pyronia-1992
  - Traits: FIRE BLIGHT RESISTANT, ROOTSTOCK-Semidwarf, Blooms with Bosc, DIPLOID (flow cytometry)
• OPR-113 P. betulifolia No. 4 = PI 540945 (655.001) - Pyrus betulifolia Bunge - VIRUS INFECTED
  - Pedigree: Seedling selection from seed collected in China by Reimer
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Positive: M.micromalus-2003, Negative: N.Poiteau-1985 Pyronia-1985 V.Crab-1991
  - Traits: FIRE BLIGHT SUSCEPTIBLE ROOTSTOCK, DIPLOID (flow cytometry)
• OPR-125 P. calleryana = PI 541066 (1314.002) - Pyrus calleryana Decne.
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1990 PV-1990
  - Traits: ROOTSTOCK, DIPLOID (flow cytometry)
• OPR-259 P. betulifolia = PI 540981 (1378.001) - Pyrus betulifolia Bunge
  - Pedigree: P. betulifolia No. 3 seedling selection
  - Virus Biological Assays - Negative: M.micromalus-2001 N.Poiteau-1987 Pyronia-1985
  - Traits: CROWN GALL RESISTANT ROOTSTOCK
• Old Home = PI 541456 (431.001) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1996 Pyronia-1984 V.Crab-1992, Uncertain: N.Poiteau-2003
  - Traits: FIRE BLIGHT RESISTANT, ROOTSTOCK, QUINCE COMPATIBLE, COLD HARDY, DIPLOID (flow cytometry)
• P. betulifolia = PI 540942 (649.001)
  - Pedigree: Probably a seedling selection from Chinese seedlot
  - Virus Lab Assays - Negative: PBCVd-2000 PNRSV-1990
  - Virus Biological Assays - Negative: B13-1983 M.micromalus-2002 N.Poiteau-1985 Pyronia-1988
  - Traits: ORNAMENTAL POTENTIAL, MILDEW RESISTANT, NICE GLOSSY LEAVES, DIPLOID (flow cytometry)
• P. betulifolia = PI 540997 (2033.000) SEED
  - Pedigree: OP seed from seedling selections from Chinese seedlot
• P. betulifolia - Shaanxi, China = PI 541007 (2291.002)
  - Pedigree: Collected from the wild in China
  - Traits: COLD HARDY, DIPLOID (flow cytometry)
• P. betulifolia 96123 - Heilongjiang, China = PI 617649 (2589.000) SEED
  - Pedigree: collected from the wild in Heilongjiang, China
  - Traits: COLD HARDY
• P. betulifolia OSU-3 = PI 540973 (1263.001)
  - Pedigree: Seedling selection from seed collected in China
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987
  - Traits: FIRE BLIGHT RESISTANT
• P. betulifolia from Bologna = PI 540996 (1704.000) SEED
• P. boissieriana (received as) = PI 541008 (659.001)
  - Pedigree: Probably a selection from OP seed from botanical collection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1987, Uncertain: M.micromalus-2003
  - Traits: DIPLOID (flow cytometry)
• P. calleryana = PI 541021 (663.001)
  - Pedigree: Probably a seedling selection from an Asian seedlot
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987
  - Traits: FIRE BLIGHT RESISTANT, MILDEW RESISTANT, DIPLOID (flow cytometry)
• P. calleryana 96107 - Liaoning, China = PI 617648 (2588.000) SEED
  - Pedigree: collected from the wild in Liaoning
  - Traits: DIPLOID (flow cytometry)
• P. calleryana o.p. - Uzbekistan = PI 541087 (1707.001)
  - Pedigree: Open-pollinated from botanical collection
• P. calleryana v. graciliflora = PI 313928 (678.001)
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2000 N.Poiteau-1985
  - Traits: MILDEW RESISTANT, DIPLOID (flow cytometry)
• P. communis - Turkey = PI 541366 (67.000) SEED
  - Pedigree: Collected from the wild in Turkey
• P. communis o.p. - Uzbekistan = PI 541468 (1705.001)
  - Pedigree: Open-pollinated from botanical collection
• P. communis ssp. caucasica B-2 - Ukraine = PI 322285 (684.001)
  - Pedigree: Collected from the wild in the Soviet Union
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1985 Pyronia-1987 V.Crab-1992
  - Traits: DIPLOID (flow cytometry)
• P. communis ssp. caucasica - Armenia, Spitaki-1 = PI 638004 (2812.001)
  - Pedigree: Collected from the wild in Armenia.
• P. communis ssp. caucasica - Caucasus Mts. Russia = PI 324035 (2043.001)
  - Pedigree: Seedling selection from seed collected in Russia
  - Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1989
  - Traits: SCAB RESISTANT
• P. communis ssp. caucasica - Russia = PI 541565 (1691.000) SEED
  - Pedigree: Collected from the wild in the Soviet Union
• P. communis ssp. caucasica - Stavropol = PI 440629 (717.001)
  - Pedigree: Seedling selection from seedlot collected in Russia
  - Virus Biological Assays - Negative: B13-1983 N.Poiteau-1985 Pyronia-1988
  - Traits: SCAB RESISTANT
• P. communis ssp. caucasica - Yankulyski = PI 440630 (727.001)
  - Pedigree: Seedling selection from seedlot collected in Russia
  - Virus Biological Assays - Negative: B13-1983 N.Poiteau-1990 Pyronia-1987
  - Traits: SCAB RESISTANT
• P. communis ssp. caucasica ARM-02-175 - Armenia, Pushkin Mou = PI 641286 (2800.000) SEED
  - Pedigree: Collected from the wild in Armenia.
• P. communis ssp. caucasica GE-2004-037 - Georgia, Aregri Val = PI 641292 (2835.001)
  - Pedigree: Collected in the wild in Republic of Georgia.
• P. communis ssp. caucasica GE-2004-081 - Georgia, Bakuriani = PI 641298 (2841.000) SEED
  - Pedigree: Collected in the wild in Republic of Georgia.
• P. communis ssp. caucasica GE-2004-081 - Georgia, Bakuriani = PI 641298 (2841.001)
  - Pedigree: Collected in the wild in Republic of Georgia.
• P. communis ssp. caucasica GE-2004-120 - Georgia, Nikortsmin = PI 641299 (2842.001)
  - Pedigree: Collected in the wild in Republic of Georgia.
• P. communis ssp. caucasica Mag 5 - Pyatigorsk, Russia = PI 541560 (692.001)
  - Pedigree: Seedling selection from seed collected in Russia
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987, Uncertain: M.micromalus-2001
  - Traits: FIRE BLIGHT RESISTANT
• P. communis ssp. pyraster = PI 541568 (1289.003)
  - Pedigree: Seedling selection from seedlot collected wild in Hungary
  - Virus Biological Assays - Negative: NP-1987 PV-1987 VC-1992
• P. communis ssp. pyraster - Iran = PI 132094 (1288.001)
  - Pedigree: Seedling selection from seedlot collected wild in Iran
  - Virus Biological Assays - Negative: B13-1983 N.Poiteau-1990 Pyronia-1987
• P. communis ssp. pyraster - Macedonia = PI 377611 (883.001)
  - Pedigree: Seedling selection from seedlot collected in Yugoslavia
  - Virus Biological Assays - Negative: B13-1983 N.Poiteau-1985 Pyronia-1987
  - Traits: SCAB RESISTANT
• P. communis ssp. pyraster - Macedonia = PI 349029 (992.000) SEED
  - Pedigree: Collected from the wild in Yugoslavia
• P. communis ssp. pyraster - Macedonia = PI 349028 (993.000) SEED
  - Pedigree: Seedling selection from wild Yugoslavian seedlot CPYR 993
• P. communis ssp. pyraster - Serbia = PI 506373 (1674.002)
  - Virus Biological Assays - Negative: MM-2003 NP-1993 PV-1995
• P. communis ssp. pyraster Olez 1 - Turkey = PI 541292 (710.001)
  - Pedigree: Seedling selection from seed collected in Turkey
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1985 Pyronia-1987
  - Traits: DIPLOID (flow cytometry)
• P. communis ssp. pyraster P-019 - Poland = PI 654913 (2436.002)
• P. cordata (pure) - France = PI 617506 (745.001)
  - Pedigree: Seedling selection from seed collected wild in France
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987
  - Traits: DIPLOID (flow cytometry)
• P. cordata - Turkey = PI 541591 (1589.001)
  - Pedigree: Seedling selection B from seedlot collected in Turkey
  - Virus Biological Assays - Negative: M.micromalus-2000 N.Poiteau-1987 Pyronia-1987
  - Traits: MILDEW RESISTANT, DIPLOID (flow cytometry)
• P. cossonii - Russia = PI 541592 (828.001)
  - Pedigree: Seedling selection from seedlot collected in the USSR
  - Virus Lab Assays - Negative: PBCVd-2000 PNRSV-1990
  - Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1985, Uncertain: B13-1983
  - Traits: LATE BLOOM, MILDEW RESISTANT, DIPLOID (flow cytometry)
• P. dimorphophylla - Inunashi - Japan = PI 318871 (295.001)
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-1996 N.Poiteau-2003 P.Crassane-1984 Pyronia-1984 V.Crab-1989
  - Traits: MILDEW RESISTANT, LOW CHILL, DIPLOID (flow cytometry)
• P. dimorphophylla 407 = PI 541601 (1214.001)
  - Pedigree: Seedling selection from seedlot collected in Japan
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2003 N.Poiteau-2003 Pyronia-1988 V.Crab-1992
  - Traits: MILDEW RESISTANT, DIPLOID (flow cytometry)
• P. elaeagrifolia = PI 541625 (1054.000) SEED
  - Pedigree: Collected from the wild
• P. elaeagrifolia 'Turkish Mist' = PI 541616 (1278.001)
  - Pedigree: Seedling selection from seed collected in Turkey
  - Virus Biological Assays - Negative: N.Poiteau-2001 Pyronia-1998
  - Traits: ORNAMENTAL
• P. elaeagrifolia - Russia = PI 617567 (2426.000) SEED
• P. elaeagrifolia 1967 = PI 541618 (933.000) SEED
  - Pedigree: Collected from the wild in Oregon
• P. elaeagrifolia MSU6768 = PI 541617 (765.001)
  - Pedigree: Probably a seedling selection from wild seed
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: B13-1983 M.micromalus-2002 N.Poiteau-1985 Pyronia-1988
  - Traits: DIPLOID (flow cytometry)
• P. elaeagrifolia No. 2 = PI 541624 (949.000) SEED
  - Pedigree: Collected from the wild in Turkey
• P. elaeagrifolia QBZ glabrous = PI 617525 (1490.001)
  - Pedigree: Seedling selection from seed collected in Turkey
  - Virus Biological Assays - Negative: M.micromalus-2003 N.Poiteau-1985 Pyronia-1987
• P. fauriei - Korea = PI 541639 (1021.000) SEED
  - Pedigree: Collected from the wild in Korea
• P. fauriei - Korea = PI 541653 (1583.000) SEED
• P. fauriei - Korea OP seedling = PI 541636 (2.006)
  - Pedigree: Collected from the wild in in Korea
• P. fauriei No. 5 = PI 541634 (777.001)
  - Pedigree: Seedling selection from seed collected in Korea
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2003 N.Poiteau-1985 P.Crassane-1985
  - Traits: DIPLOID (flow cytometry)
• P. gharbiana No. 1 = PI 541662 (787.001)
  - Pedigree: Seedling selection from seedlot collected in Morocco
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: B13-1983 M.micromalus-2002 N.Poiteau-1985 P.Crassane-1983 Pyronia-1985
  - Traits: DIPLOID (flow cytometry), NOT COLD HARDY
• P. hondoensis - Aonashi = PI 318874 (925.001)
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1985, Uncertain: M.micromalus-2003
  - Traits: MILDEW RESISTANT, DIPLOID (flow cytometry)
• P. hondoensis - Japan = PI 541689 (2117.001)
  - Traits: DIPLOID (flow cytometry)
• P. koehnei (pure) = PI 541832 (818.001)
  - Pedigree: Seedling selection
  - Virus Biological Assays - Negative: N.Poiteau-1990 Pyronia-1989, Uncertain: M.micromalus-2003
  - Traits: FIRE BLIGHT RESISTANT, LOW CHILL, NOT COLD HARDY, DIPLOID (flow cytometry)
• P. koehnei - Taiwan = PI 541839 (962.000) SEED
  - Pedigree: Open-pollinated (in California)
• P. korshinskyi 94009 - Kyrgyzstan = PI 617596 (2520.000) SEED
  - Pedigree: Open pollinated seed from single tree. Pollen parent unknown (parent possibly Communis korshinskyi or regeli)
• P. korshinskyi 94011 - Kyrgyzstan = PI 617598 (2522.000) SEED
  - Pedigree: Open pollinated seed from single tree growing in a group of P. communis and P. korshinskyi. Thus maybe hybrid or pure.
• P. korshinskyi 94011 - Kyrgyzstan = PI 617598 (2522.004)
  - Pedigree: Open pollinated seed from single tree growing in a group of P. communis and P. korshinskyi. Thus maybe hybrid or pure.
  - Traits: cv hybrid?
• P. mamorensis - Long Ashton = PI 541855 (1622.001)
  - Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1990
  - Traits: NOT COLD HARDY
• P. mamorensis - Morocco = PI 541844 (835.001)
  - Pedigree: Seedling selection from seed collected wild in Morocco
  - Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1987 P.Crassane-1985
  - Traits: NOT COLD HARDY, DIPLOID (flow cytometry)
• P. nivalis - Russia = PI 541868 (1695.000) SEED
  - Pedigree: Collected from the wild in the Soviet Union
• P. nivalis Leiden Botanic Garden = PI 312144 (256.002) - VIRUS INFECTED
  - Pedigree: Uncertain, possibly collected from the wild
  - Virus Lab Assays - Positive: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1990 PV-1989, Uncertain: A20-2004
  - Traits: DIPLOID (flow cytometry)
• P. nivalis P-91 (pure) = PI 541859 (725.002)
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: NP-1987 PV-1990, Uncertain: MM-2003
  - Traits: FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry)
• P. pashia - Murree Hills, Pakistan = PI 295283 (877.000) SEED
  - Pedigree: Seed collected in wild in Pakistan. Presumed by collector to be P. heterophylla. Note in PI book that seeds look like P. pashia.
• P. pashia 880395 - Azad Kashmir, Pakistan = PI 541894 (2195.000) SEED
  - Pedigree: Collected from the wild in Pakistan
• P. pseudopashia [P. pashia Kansu?] = PI 541896 (875.001)
  - Pedigree: Seedling selection from seedlot collected wild in China
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: N.Poiteau-1985, Uncertain: B13-1983 M.micromalus-2002
  - Traits: DIPLOID (flow cytometry)
• P. pyrifolia - Thailand = PI 420808 (885.001)
  - Pedigree: Collected from the wild in Thailand.
  - Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1985
  - Traits: SCAB RESISTANT, LOW CHILL
• P. pyrifolia No. 2 = PI 541900 (888.001)
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1985
  - Traits: MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
• P. pyrifolia hybrid - Afghanistan = PI 541914 (905.001)
  - Pedigree: Seedling selection from seed collected in Afghanistan
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: B13-1983 LA62-1983 M.micromalus-2002 N.Poiteau-1985 Pyronia-1985
  - Traits: DIPLOID (flow cytometry)
• P. regelii = PI 541945 (890.001)
  - Pedigree: Probably seedling selection from OP seed from botanical col.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2003 N.Poiteau-1985 Pyronia-1985
  - Traits: DIPLOID (flow cytometry)
• P. regelii - Boraldy River Forest, Kazakhstan = PI 641279 (2587.001)
  - Pedigree: Collected from the wild in Kazakhstan.
• P. regelii - Kazakhstan = PI 617626 (2554.000) SEED
• P. regelii KAZ 93-41-09 - Kazakhstan = PI 617589 (2513.004)
• P. sachokiana GE-2006-115 - Georgia = PI 657923 (2882.001)
  - Pedigree: Seed collected at research station in Republic of Georgia.
• P. salicifolia (hybrid) - Russia = PI 541953 (1697.001)
  - Pedigree: Collected from the wild in the Soviet Union
• P. salicifolia - Russia = PI 541953 (1697.000) SEED
  - Pedigree: Collected from the wild in the Soviet Union
• P. salicifolia - Russia = PI 617568 (2427.000) SEED
• P. salicifolia ARM-02-067 - Armenia, Arpa Gorge = PI 638000 (2797.001)
  - Pedigree: Collected from the wild in Armenia.
  - Traits: DIPLOID (flow cytometry)
• P. salicifolia GE-2004-141 - Akhaltsike, Georgia = PI 657921 (2849.001)
  - Pedigree: Collected in the wild in Republic of Georgia.
• P. salicifolia GE-2006-111 - Georgia, Vashlovani = PI 657924 (2883.001)
  - Pedigree: Collected from the wild in the Republic of Georgia.
  - Traits: DROUGHT TOLERANT
• P. salicifolia hybrid - blister mite resistant = PI 617559 (2382.001)
  - Pedigree: Seedling selection from seedlot from USSR
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: NP-1991 PV-1991, Uncertain: MM-2003
  - Traits: MILDEW RESISTANT, BLISTER MITE RESISTANT, DIPLOID (flow cytometry)
• P. spinosa (amygdaliformis) - Macedonia = PI 358436 (330.000) SEED
  - Pedigree: Collected from the wild in Yugoslavia
• P. spinosa (amygdaliformis) - Macedonia = PI 349024 (630.000) SEED
  - Pedigree: Collected from the wild in Yugoslavia
• P. spinosa (amygdaliformis) - Macedonia (pure) = PI 349021 (636.001)
  - Pedigree: Seedling selection from seedlot collected in Yugoslavia
  - Virus Biological Assays - Negative: B13-1983 M.micromalus-2003 N.Poiteau-1985 Pyronia-1988 V.Crab-1992
• P. spinosa (amygdaliformis) - Sardinia = PI 540934 (1598.001)
  - Pedigree: Seedling selection A from seedlot collected in Sardinia
  - Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1987
• P. spinosa (amygdaliformis) - Turkey = PI 540929 (634.001)
  - Pedigree: Seedling selection from seedlot collected wild in Turkey
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1985 Pyronia-1989 V.Crab-1992
  - Traits: DIPLOID (flow cytometry)
• P. syriaca - Armenia No. 1087/62 = PI 312149 (920.001)
  - Pedigree: probably originally collected wild
  - Virus Biological Assays - Negative: B13-1983 N.Poiteau-1990
  - Traits: DIPLOID (flow cytometry)
• P. syriaca - Iran 1970 = PI 541979 (1011.001)
  - Pedigree: Collected from the wild in Iran
• P. syriaca No. 1 - Israel = PI 541975 (908.001)
  - Pedigree: Seedling selection from seed collected wild in Israel
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1985 Pyronia-1987
  - Traits: MILDEW RESISTANT, DIPLOID (flow cytometry)
• P. ussuriensis 'McDermand' (Harbin) = PI 478004 (1501.000) SEED
  - Pedigree: Seeds collected at research station in Mordon, Manitoba
• P. ussuriensis 'McDermand' (Harbin) = PI 478004 (1501.005)
  - Pedigree: Seeds collected at research station in Mordon, Manitoba
• P. ussuriensis - Manchuria = PI 143978 (1139.001)
  - Pedigree: Possibly a seedling selection from a Chinese seedlot
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1987 Pyronia-1988
  - Traits: EARLY BLOOM, MILDEW RESISTANT, LOW CHILL, DIPLOID (flow cytometry)
• P. ussuriensis - Russia [P. ovoidea] = PI 542027 (1696.000) SEED
  - Pedigree: Collected from the wild in the Soviet Union
• P. ussuriensis 86-077 sdlg. C = PI 665741 (2925.001)
  - Pedigree: Collected from the wild in South Korea.
• P. ussuriensis HVSC-124 Primorye, Russia = PI 638003 (2805.000) SEED
  - Pedigree: Collected from the wild in Primorye, Russian Federation.
• P. ussuriensis JPN-2009-148 = PI 665747 (2938.001)
  - Pedigree: Collected from the wild in Iwate, Japan.
• P. ussuriensis MA 1919-23 = PI 542015 (1260.001)
  - Pedigree: Seedling selection from seedlot collected wild in China
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2003 N.Poiteau-1985 Pyronia-1987
  - Traits: EARLY BLOOM, LOW CHILL, DIPLOID (flow cytometry)
• P. ussuriensis No. 2 - Korea = PI 542014 (1202.001)
  - Pedigree: Seedling selection from seedlot collected in Korea
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: B13-1983 M.micromalus-2002 N.Poiteau-1987 P.Crassane-1985 Pyronia-1987
  - Traits: DIPLOID (flow cytometry)
• P. x canescens 1213 - Uzbekistan = PI 542035 (1708.001)
  - Pedigree: Open-pollinated from botanical collection
• P. x phaeocarpa = PI 542037 (880.001)
  - Pedigree: Probably a seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000 PNRSV-1990
  - Virus Biological Assays - Negative: N.Poiteau-1988 P.Crassane-1983 Pyronia-1987, Uncertain: M.micromalus-2003
  - Traits: DIPLOID (flow cytometry)
• P. x uyematsuana = PI 313939 (932.001)
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: B13-1983 M.micromalus-2002 N.Poiteau-1993 Pyronia-1985
  - Traits: DIPLOID (flow cytometry)
• P. xerophila - Gansu, China = PI 617650 (2590.000) SEED
• Packham's Triumph = PI 280405 (436.001) - Pyrus communis L.
  - Pedigree: Uvedale St. Germain x Bartlett
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1996 N.Poiteau-2003 P.Crassane-1984 Pyronia-1984 V.Crab-1991
  - Traits: LATE RIPE, FIRE BLIGHT SUSCEPTIBLE, DIPLOID (flow cytometry), HEIRLOOM
• Pai Li (Beijing White Pear) = PI 541998 (439.001) - Pyrus ussuriensis Maxim.
  - Pedigree: old selection from Beijing Region
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1988 P.Crassane-1984 Pyronia-1984 V.Crab-1988
  - Traits: LATE RIPE, FIRE BLIGHT RESISTANT, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
• Passe Crassane = PI 131662 (441.001) - Pyrus communis L.
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: TOMRSV-1986
  - Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1984 V.Crab-1989, Uncertain: M.micromalus-2001
  - Traits: VERY LATE RIPE, FIRE BLIGHT SUSCEPTIBLE, VIRUS INDICATOR, COMPACT HABIT, FROST RESISTANT, QUINCE COMPATIBLE, MONOLINIA RESISTANT, HEIRLOOM, DIPLOID (flow cytometry), DNA STANDARD
• Pendula = PI 541951 (893.001) - Pyrus salicifolia Pallas - VIRUS INFECTED
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Positive: N.Poiteau-1985, Negative: M.micromalus-2003
  - Traits: ORNAMENTAL, DIPLOID (flow cytometry), DNA Standard
• Ping Guo Li [Pingo Li] = PI 267863 (455.002) - Pyrus ussuriensis Maxim.
  - Pedigree: old selection from Jiling Province
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1991 PV-1991
  - Traits: LATE RIPE, MILDEW RESISTANT, DIPLOID (flow cytometry)
• Poirier Fleurissant Tard = PI 541551 (2280.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2000 NP-1990 PV-1990
  - Traits: LATE BLOOM, SCAB RESISTANT, DIPLOID (flow cytometry)
• Pollwiller Pear = PI 256000 (28.001) - ×Sorbopyrus auricularis (Knoop) C. Schneider
  - Pedigree: Pyrus communis x Sorbus aria
  - Traits: EDIBLE, SMALL FRUIT, ORNAMENTAL, probably = Decaisne's Pyrus bollwiller
• Potomac = PI 617594 (2518.001) - Pyrus communis L.
  - Pedigree: Moonglow x Beurre d'Anjou
  - Virus Biological Assays - Negative: NP-2001 PV-1997
  - Traits: LATE RIPE, FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry)
• Precoce de Trevoux = PI 541244 (461.003) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1990 PV-1987
  - Traits: FROST RESISTANT, MONOLINIA RESISTANT, DIPLOID (flow cytometry), HEIRLOOM
• Pyronia veitchii (Pyrus x Cydonia) IRP 82-1 = CIGC 9 (9.001) - ×Pyronia veitchii
  - Pedigree: Pyrus communis x Cydonia oblonga
  - Virus Biological Assays - Tested negative on: NP PC PV
  - Traits: VIRUS INDICATOR, COLD HARDY
• Pyronia veitchii var. luxemburgiana = CIGC 13 (13.001) - ×Pyronia veitchii var. luxemburgiana
  - Pedigree: Uncertain
  - Virus Biological Assays - Tested negative on: NP
  - Traits: VIRUS INDICATOR
• Rocha = PI 286384 (487.001) - Pyrus communis L.
  - Virus Lab Assays - Uncertain: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-2003 N.Poiteau-1988 P.Crassane-1984 Pyronia-1984 V.Crab-1988
  - Traits: LOW CHILL 550 hrs, DIPLOID (flow cytometry), apparently SELF-FERTILE (PARTHENOCARPIC)
• Rogue Red = PI 541252 (488.001) - Pyrus communis L. - VIRUS INFECTED
  - Pedigree: Comice x (Seckel x Farmingdale sdlg. 122)
  - Virus Biological Assays - Positive: Vein Yellows-1985, Negative: Bosc-1989 V.Crab-1988
  - Traits: RED SKIN, QUINCE COMPATIBLE, WINTER PEAR, DIPLOID (flow cytometry)
• Saint Gilles = PI 131136 (1141.002) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1990 PV-1995
  - Traits: DIPLOID (flow cytometry)
• Sanguinole = PI 277529 (512.004) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1990 PV-1989
  - Traits: RED FLESH, ANCIENT, EARLY RIPE, DIPLOID (flow cytometry), HEIRLOOM
• Santa Maria Morettini = PI 295095 (514.005) - Pyrus communis L.
  - Pedigree: Bartlett x Coscia
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1990 PV-1989
  - Traits: DIPLOID (flow cytometry)
• Sbkta (P. elaeagrifolia) = PI 502179 (1639.001) - Pyrus hybrid
  - Pedigree: P. communis x P. nivalis hybrid
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1998 N.Poiteau-2003 Pyronia-1988 V.Crab-1991
  - Traits: ROOTSTOCK, DIPLOID (flow cytometry)
• Schweizer Wasserbirne (3x) = PI 541261 (515.002) - Pyrus communis L. - VIRUS INFECTED
  - Virus Lab Assays - Positive: ASPV-2010, Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1989 PV-1987
  - Traits: PERRY, SCAB RESISTANT, POLYPLOID (3x flow cytometry 2008), HEIRLOOM
• Scipiona = PI 286220 (516.002) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1989 PV-1989
  - Traits: LATE RIPE, DIPLOID (flow cytometry), HEIRLOOM
• Seckel = PI 541262 (519.001) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: N.Poiteau-2003 P.Crassane-1984 Pyronia-1985 V.Crab-1992, Uncertain: M.micromalus-2003
  - Traits: FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry), apparently SELF-FERTILE, HEIRLOOM, CURATOR CHOICE
• Seigyoku = PI 228017 (520.001) - Pyrus pyrifolia (Burm. f.) Nakai
  - Pedigree: Nijiseiki x Chojuro
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1987 M.micromalus-2002 Pyronia-1988 V.Crab-1988
  - Traits: FIRE BLIGHT SUSCEPTIBLE, SCAB RESISTANT, LARGE FRUIT, DIPLOID (flow cytometry)
• Seuri Li = PI 541904 (1173.002) - Pyrus pyrifolia (Burm. f.) Nakai
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1990 PV-1991
  - Traits: FIRE BLIGHT RESISTANT, MILDEW RESISTANT, DIPLOID (flow cytometry)
• Shinseiki = PI 224087 (528.001) - Pyrus pyrifolia (Burm. f.) Nakai
  - Pedigree: Nijiesiki x Chojuro
  - Virus Lab Assays - Negative: APMV-1987 PBCVd-2000 PNRSV-1987
  - Virus Biological Assays - Negative: N.Poiteau-1987 P.Crassane-1984 Pyronia-1985 V.Crab-1988, Uncertain: M.micromalus-2003
  - Traits: BLACK SPOT RESISTANT, SCAB RESISTANT, COLD HARDY, DIPLOID (flow cytometry)
• Shipova = PI 260199 (19.001) - ×Sorbopyrus auricularis var. bulbiformis
  - Pedigree: Pyrus communis x Sorbus aria
  - Traits: EDIBLE, LARGE FRUIT
• Sion Szu Mi = PI 289525 (532.002) - Pyrus sp.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1989 PV-1987
  - Traits: DIPLOID (flow cytometry)
• Smokvarka = PI 502176 (34.001) - ×Sorbopyrus auricularis var. bulbiformis
  - Traits: PSYLLA RESISTANT, EDIBLE LARGE FRUIT, COLD HARDY
• Sorbopyrus 'Baciu 1' = PI 506381 (35.001) - ×Sorbopyrus
  - Traits: EDIBLE, MEDIUM FRUIT, POLYPLOID (3x flow cytometry 2012)
• Sotoorihime = PI 506363 (1666.001) - Pyrus ussuriensis Maxim.
  - Pedigree: Developed from native P. hondoensis
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1988, Uncertain: M.micromalus-2003
  - Traits: LATE RIPE, ANCIENT, HEIRLOOM , DIPLOID (flow cytometry)
• Summer Blood Birne = PI 312507 (556.001) - Pyrus communis L.
  - Virus Biological Assays - Negative: M.micromalus-1997 N.Poiteau-1988 P.Crassane-1984 Pyronia-1988, Uncertain: Bosc-1988
  - Traits: RED FLESH, CURATOR CHOICE, DIPLOID (flow cytometry 2012)
• Summer Muskatel Birne = PI 264698 (557.002) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1992 PV-1987
  - Traits: DIPLOID (flow cytometry)
• Tan Chi II (little pear) - Pakistan = Q 27454 (2672.002) - Pyrus pashia hybrid
  - Virus Biological Assays - Negative: NP-2003
  - Traits: DIPLOID (flow cytometry 2012)
• Tarquin Des Pyrenees = PI 131889 (1153.001) - Pyrus communis L. - VIRUS INFECTED
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Positive: P.Crassane-1984 Pyronia-2002 Vein Yellows-1985, Negative: Bosc-1989 M.micromalus-2003
  - Traits: LATE RIPE, DIPLOID (flow cytometry)
• Thorn = PI 541273 (569.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1988 M.micromalus-2002 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1988
  - Traits: PERRY, ANCIENT, MEDIUM SHARP (MEDIUM ACID), DIPLOID (flow cytometry), HEIRLOOM
• Tioma = PI 134606 (573.002) - Pyrus hybrid
  - Pedigree: P. ussuriensis x Finland Early Yellow
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1989 PV-1987
  - Traits: COLD HARDY, MILDEW RESISTANT, DIPLOID (flow cytometry)
• Topka (3x) = PI 483389 (1543.002) - Pyrus communis ssp. pyraster (L.) Ehrh. - VIRUS INFECTED
  - Virus Lab Assays - Positive: PBCVd-2000 Viroid-2009
  - Virus Biological Assays - Negative: A20-2004 MM-1998 NP-1990 PV-1990 VC-1991
  - Traits: LATE RIPE, PSYLLA RESISTANT, POLYPLOID (3x flow cytometry 2007)
• Tse Li = PI 312509 (584.001) - Pyrus ussuriensis Maxim.
  - Pedigree: local selection from Tse County, Shandong Province complex hybrid of ussuriensis (x bretschneideri)
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1989 M.micromalus-2002 N.Poiteau-1990 P.Crassane-1984 Pyronia-1985 V.Crab-1991
  - Traits: LATE RIPE, ANCIENT, HEIRLOOM , LOW CHILL 500 hrs, FIRE BLIGHT RESISTANT, PSYLLA RESISTANT, DIPLOID (flow cytometry)
• Tsu Li = PI 542023 (1177.001) - Pyrus ×bretschneideri Rehder - VIRUS INFECTED
  - Virus Biological Assays - Positive: M.micromalus-2003 N.Poiteau-1987, Negative: V.Crab-1988
  - Traits: LATE RIPE, ANCIENT, HEIRLOOM , LOW CHILL 500 hrs, FIRE BLIGHT RESISTANT, PSYLLA RESISTANT, DIPLOID (flow cytometry)
• Ubileen Gift (3x) = PI 392323 (585.001) - Pyrus communis L.
  - Pedigree: Clapp Favorite x Klementinka
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1996 N.Poiteau-1987 P.Crassane-1984 Pyronia-1985, Uncertain: Bosc-1989
  - Traits: POLYPLOID (3x flow cytometry 2013), EARLY RIPE, LARGE FRUIT, SCAB RESISTANT, CURATOR CHOICE
• Untoasa de Geoagiu = PI 617652 (2593.001) - Pyrus communis L.
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2003 NP-1999 PV-1999
  - Traits: DIPLOID (flow cytometry)
• Variolosa (P. pashia hyb.) = PI 541717 (589.002) - Pyrus pashia Buch.-Ham. ex D. Don
  - Pedigree: P. pashia x P. communis
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-1998 NP-1989 PV-1989
  - Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT, NOT COLD HARDY, DIPLOID (flow cytometry)
• Vavilov (Rous. Stuttgart x Dr. J. Guyot No. VII) = PI 337446 (499.001) - Pyrus communis L.
  - Pedigree: R. Shtutgartskii x Dr. J. Gujo
  - Virus Lab Assays - Negative: APMV-1987 PNRSV-1987
  - Virus Biological Assays - Negative: Bosc-1988 M.micromalus-1996 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1992
  - Traits: CURATOR CHOICE, DIPLOID (flow cytometry 2012)
• Vermont Beauty = PI 541277 (592.001) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1987 M.micromalus-1996 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1992
  - Traits: DIPLOID (flow cytometry), HEIRLOOM
• Vicar of Winkfield (3x) = PI 541457 (1172.001) - Pyrus communis L.
  - Pedigree: Chance seedling
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: LA62-1983 M.micromalus-2001 N.Poiteau-2003 Pyronia-1985 V.Crab-1991
  - Traits: LATE RIPE, CULLINARY, STORAGE, FIRE BLIGHT SUSCEPTIBLE, QUINCE COMPATIBLE, POLYPLOID (3x flow cytometry 2007), HEIRLOOM
• Waite (Canner) = PI 66131 (598.001) - Pyrus hybrid
  - Pedigree: Kieffer x unknown European type
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: Bosc-1987 M.micromalus-1999 N.Poiteau-2003 P.Crassane-1984 Pyronia-1988
  - Traits: FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry), MALE STERILE
• White Doyenne = PI 541281 (602.004) - Pyrus communis L.
  - Pedigree: Origin uncertain. May be the 'Sementinum' pear of Greece.
  - Virus Biological Assays - Negative: NP-1989 PV-1989
  - Traits: LATE RIPE, ANCIENT, QUINCE COMPATIBLE, DIPLOID (flow cytometry), HEIRLOOM
• Winioska-Saska = PI 506377 (1689.001) - Pyrus hybrid
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-1998 N.Poiteau-1991 Pyronia-1991
  - Traits: VERY LATE RIPE, DIPLOID (flow cytometry)
• Winter Nelis = PI 541285 (1164.001) - Pyrus communis L.
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: LA62-1983 M.micromalus-1998 N.Poiteau-2003 Pyronia-1988
  - Traits: FIRE BLIGHT SUSCEPTIBLE, LATE RIPE, DIPLOID (flow cytometry), HEIRLOOM
• Winter Nelis (4x chimera) = PI 541358 (1163.001) - Pyrus communis L.
  - Pedigree: Uncertain, possibly derived from cultivar Winter Nelis
  - Virus Biological Assays - Negative: Bosc-1989 N.Poiteau-1985 Pyronia-1988
  - Traits: FIRE BLIGHT SUSCEPTIBLE, LATE RIPE, POLYPLOID (4x chimaera flow cytometry 2007+2012)
• Xiangshui Li [Hsiang Sui-Li] = PI 542022 (1617.002) - Pyrus ×bretschneideri Rehder
  - Pedigree: old selection from the wild in Northeast China
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1992 PV-1992
  - Traits: FIRE BLIGHT RESISTANT, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
• Ya Li = PI 506362 (1678.001) - Pyrus ×bretschneideri Rehder
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: M.micromalus-2003 N.Poiteau-1987 Pyronia-1987
  - Traits: LATE RIPE, FIRE BLIGHT RESISTANT, LOW CHILL 500 hrs, PSYLLA RESISTANT, EARLY BLOOM, MILDEW RESISTANT, DIPLOID (flow cytometry), SCAB RESISTANT (Australia)
• Zao Su = PI 617653 (2594.001) - Pyrus pyrifolia (Burm. f.) Nakai
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: NP-1998 PV-1999, Uncertain: MM-2003
  - Traits: SCAB RESISTANT, DIPLOID (flow cytometry)