NCGR-Corvallis Pyrus Catalog
Scab (Venturia) Resistant Genotypes
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
Traits listed are intended for preliminary subgrouping of accessions. Traits are from germplasm release notices, published reports, or observations made at NCGR-Corvallis.
- Aarer Pfundbirne (3x) = PI 282966 (8.003) - Pyrus communis L.
- Virus Biological Assays - Negative: NP-1990
- Traits: SCAB RESISTANT, HEIRLOOM, POLYPLOID (3x flow cytometry 2012)
- Antoni Sale (3x) = PI 654932 (2684.002) - Pyrus communis L.
- Traits: SCAB RESISTANT, POLYPLOID (3x flow cytometry 2012)
- 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)
- BP-3 (B-14) = PI 541971 (2289.001) - Pyrus hybrid
- Pedigree: Seedling selection from seed collected wild in S. Africa
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: MM-1998 NP-1990 PV-1991
- Traits: ROOTSTOCK-Vigorous, Precocious, SCAB RESISTANT, DECLINE SUSCEPTIBLE, DIPLOID (flow cytometry 2012)
- 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
- 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
- Beurré Dilly = PI 264192 (106.002) - Pyrus communis L.
- Pedigree: Seedling selection or chance seedling
- Virus Biological Assays - Negative: NP-1990 PV-1987 VC-1989
- Traits: EARLY RIPE, SCAB RESISTANT, QUINCE COMPATIBLE, HEIRLOOM, DIPLOID (flow cytometry 2012)
- Beurré d'Angleterre = PI 541136 (62.003) - Pyrus communis L.
- Virus Biological Assays - Negative: NP-1987 PV-1987 VC-1989
- Traits: VERY LATE RIPE, ANCIENT, SCAB RESISTANT, HEIRLOOM, DIPLOID (flow cytometry 2012)
- Biscamp = PI 617602 (2526.001) - Pyrus hybrid
- Virus Biological Assays - Negative: NP-1997 PV-1997
- Traits: LOW CHILL 250 hrs, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Bosarge = PI 641289 (2809.001) - Pyrus hybrid - VIRUS INFECTED
- Virus Biological Assays - Positive: MM-2003
- Traits: LOW CHILL, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- 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
- Bou Tsu Li = PI 617673 (2618.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS INFECTED
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Positive: NP-2003, Negative: PV-2001
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Burkett x P. betulifolia = PI 541786 (1358.001) - Pyrus hybrid
- Pedigree: Burkett x P. betulifolia seedling selection
- Virus Biological Assays - Negative: B13-1983 N.Poiteau-1985 Pyronia-1987
- Traits: FIRE BLIGHT RESISTANT, ROOTSTOCK, SCAB RESISTANT
- 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)
- Canner (Waite?) = PI 541159 (128.002) - Pyrus hybrid
- Pedigree: P. pyrifolia hybrid, possibly a seedling of cv. Kieffer
- Virus Biological Assays - Negative: NP-1993
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT, MALE STERILE? HEIRLOOM, DIPLOID (flow cytometry 2012)
- Changpa Li = PI 617619 (2547.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Virus Biological Assays - Positive: NP-1999 PV-1999
- Traits: SCAB RESISTANT
- Charles Harris = PI 617599 (2523.001) - Pyrus hybrid
- Virus Biological Assays - Negative: NP-1999 PV-1997
- Traits: LATE RIPE, LOW CHILL 450 hrs, SCAB RESISTANT, LARGE FRUIT, DIPLOID (flow cytometry 2012)
- Chieh Li x Japanese Golden Russet (Decline Susc.) = PI 541761 (1227.001) - Pyrus hybrid
- Pedigree: Chieh Li x Jap. Gold. Russet
- Virus Biological Assays - Negative: N.Poiteau-1991 Pyronia-1988 V.Crab-1991
- Traits: ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
- Chien Li = PI 617537 (2338.001) - Pyrus ussuriensis Maxim.
- Virus Biological Assays - Negative: NP-2003 PV-1998
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- 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)
- Coadesele IDX (prob. is Ayers) = PI 506384 (1676.003) - Pyrus hybrid
- Virus Biological Assays - Negative: NP-1991 PV-1991
- Traits: RED SKIN, ATTRACTIVE FRUIT, SCAB RESISTANT
- Conseiller a la Coeur (3x) [Consigliere D'Appelle] = PI 105425 (1081.002) - Pyrus communis L.
- Virus Biological Assays - Negative: NP-1995 PV-1997
- Traits: SCAB RESISTANT, POLYPLOID (3x flow cytometry 2007), HEIRLOOM
- Dan Bae (Olympic) = PI 617678 (2623.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: MM-1999 NP-2001 PV-2001
- Traits: SCAB RESISTANT, LATE RIPE
- Delices d'Avril = PI 541171 (169.002) - Pyrus communis L.
- Virus Lab Assays - Uncertain: ASGV-1989
- Virus Biological Assays - Negative: NP-1990 PV-1987 VC-1989
- Traits: VERY LATE RIPE, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- 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
- Doitsu = PI 228012 (178.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: MM-1998 NP-1995 PV-1995
- Traits: HEIRLOOM, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Doyenne Gris = PI 541335 (1086.002) - Pyrus communis L.
- Pedigree: White Doyenne russet sport
- Virus Lab Assays - Negative: PNRSV-1990
- Virus Biological Assays - Negative: NP-1990 PV-1995
- Traits: SCAB RESISTANT, QUINCE COMPATIBLE, HEIRLOOM, DIPLOID (flow cytometry 2012)
- Gelbmostler (3x) = PI 483365 (1519.002) - Pyrus communis ssp. pyraster (L.) Ehrh.
- Virus Biological Assays - Negative: NP-1990 PV-1987, Uncertain: MM-2001
- Traits: PERRY, SCAB RESISTANT, POLYPLOID (3x flow cytometry 2013)
- Gråpäron (3x) (Grey Pear) = PI 104833 (1093.001) - Pyrus communis L. - VIRUS INFECTED
- Virus Biological Assays - Positive: P.Crassane-1984, Negative: Bosc-1989
- Traits: SCAB RESISTANT, POLYPLOID (3x flow cytometry 2013)
- HN-36 P. pyrifolia (Virus Indicator) = PI 358953 (886.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Seedling of cultivar Nijusseki
- Virus Biological Assays - Negative: N.Poiteau-1990 Pyronia-1985
- Traits: VIRUS INDICATOR, SCAB RESISTANT, ANEUPLOID (flow cytometry 2013), DIPLOID (flow cytometry 2014)
- 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)
- Hau Kai = PI 541989 (269.003) - Pyrus ussuriensis Maxim.
- Pedigree: very old cultivar from Liaoning (northeast) China
- Virus Biological Assays - Negative: NP-1993 PV-1993
- Traits: SCAB RESISTANT
- Hawaii = PI 541897 (270.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: N.Poiteau-1987 P.Crassane-1984 Pyronia-1985 V.Crab-1988
- Traits: LATE RIPE, FIRE BLIGHT RESISTANT, SCAB RESISTANT, HEIRLOOM
- Hawaii x Japanese Golden Russet = PI 541765 (1231.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Hawaii x Jap. Gold. Russet
- Virus Biological Assays - Negative: B13-1983 N.Poiteau-1985 Pyronia-1987
- Traits: ROOTSTOCK, SCAB RESISTANT
- Hawaii x Japanese Golden Russet = PI 541766 (1232.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Hawaii x Jap. Gold. Russet
- Virus Biological Assays - Negative: MM-1996 NP-1992 PV-1992
- Traits: ROOTSTOCK, SCAB RESISTANT
- Hofrath's Birne = PI 541204 (267.001) - Pyrus communis L.
- Virus Biological Assays - Negative: N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1988
- Traits: LATE RIPE, SCAB RESISTANT, MONOLINIA RESISTANT, POLYPLOID (3x flow cytometry 2013)
- 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
- Huagai Li [Hua Kai] = PI 307545 (287.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Pedigree: very old cultivar from Liaoning (northeast) China
- Virus Biological Assays - Positive: P.Crassane-1983 Vein Yellows-1985, Negative: V.Crab-1988, Uncertain: Bosc-1989
- Traits: FIRE BLIGHT SUSCEPTIBLE, SCAB RESISTANT
- Huangxianshui Li [Huang Hsing Sui Li] = PI 541990 (288.002) - Pyrus ussuriensis Maxim.
- Pedigree: old selection from Shandong Province complex hybrid of ussuriensis (x bretschneideri)
- Virus Biological Assays - Negative: NP-1990 PV-1989
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT
- Huhoot Li = PI 541966 (2255.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-1990 PV-1991
- Traits: LATE RIPE, SCAB RESISTANT
- Imamura Aki = PI 352641 (294.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: M.micromalus-1997 N.Poiteau-1987 P.Crassane-1984 Pyronia-1984 V.Crab-1988
- Traits: LATE RIPE, BLACK SPOT RESISTANT, SCAB RESISTANT
- Iwate No. 1 = PI 506368 (1577.001) - Pyrus hondoensis Kikuchi & Nakai
- Virus Lab Assays - Negative: TOMRSV-1986
- Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1987
- Traits: SCAB RESISTANT, P. pyrifolia not hondoensis
- Jalovcovka = PI 312500 (302.002) - Pyrus communis L.
- Virus Biological Assays - Negative: NP-1990 PV-1989 VC-1989
- Traits: SCAB RESISTANT
- Japanese Golden Russet = PI 541898 (303.003) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-1995 PV-1996, Uncertain: MM-1996
- Traits: SCAB RESISTANT
- Japanese Golden Russet x Mikado (Decline Resist.) = PI 541762 (1228.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Jap. Gold. Russet x Mikado
- Virus Lab Assays - Negative: TOMRSV-1986
- Virus Biological Assays - Negative: N.Poiteau-1985
- Traits: ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
- Japanese Golden Russet x Mikado (Decline Susc.) = PI 541763 (1229.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Japanese Golden Russett x Mikado
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987
- Traits: ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
- Jeribasma (3x) = PI 617615 (2541.001) - Pyrus communis L.
- Virus Biological Assays - Negative: NP-1999 PV-1999
- Traits: SCAB RESISTANT, PSYLLA RESISTANT, POLYPLOID (3x flow cytometry 2008)
- 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)
- 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 Early Pear Composite O.P. Seed = CPYR 3033 (3033.000) - Pyrus communis
- Pedigree: O.P. Klementinka + Arganche + Zaharoasa de Vara
- Traits: EDUCATION SAMPLE, PRE-BREEDING EARLY RIPE, SCAB RESISTANT
- Krolewka = PI 483374 (1528.002) - Pyrus communis ssp. pyraster (L.) Ehrh.
- Virus Biological Assays - Negative: NP-1990 PV-1990
- Traits: SCAB RESISTANT
- 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)
- Kumoi = PI 228015 (1181.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Ishiiwase x Yakumo
- Virus Biological Assays - Negative: Bosc-1989 N.Poiteau-1985 Pyronia-1990 V.Crab-1988
- Traits: BLACK SPOT RESISTANT, SCAB RESISTANT
- Kumoi [Kumoe] = PI 228015 (329.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Ishiiwase x Yakumo
- Traits: BLACK SPOT RESISTANT, SCAB RESISTANT
- Leona = PI 617600 (2524.001) - Pyrus hybrid
- Virus Biological Assays - Negative: MM-2001 NP-1997 PV-1997
- Traits: LATE RIPE, LOW CHILL 450 hrs, SCAB RESISTANT
- 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
- MM-38 = PI 541960 (1419.004) - Pyrus communis L.
- Virus Biological Assays - Negative: MM-1999 NP-1989 PV-1989
- Traits: ROOTSTOCK, SCAB RESISTANT
- 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)
- Man Yuan Xiang [Man Yuan Hsiang] = PI 541996 (378.002) - Pyrus ussuriensis Maxim.
- Pedigree: old local cultivar from northeast China
- Virus Biological Assays - Negative: MM-1998 NP-1995 PV-1995
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT
- Manning-Miller = PI 541480 (2296.001) - Pyrus communis L. - VIRUS INFECTED
- Pedigree: Unknown. Seed prob. sent from Massachusetts by R. Manning.
- Virus Biological Assays - Positive: NP-1993 PV-1993 VY-1985
- Traits: COLD HARDY, SCAB RESISTANT, FIRE BLIGHT RESISTANT, DIPLOID (flow cytometry 2014)
- Manning-Miller = PI 541480 (2296.002) - Pyrus communis L.
- Pedigree: Unknown. Seed prob. sent from Massachusetts by R. Manning.
- Virus Biological Assays - Negative: NP-2003 PV-2001
- Traits: COLD HARDY, SCAB RESISTANT, FIRE BLIGHT RESISTANT
- Miller Seedling (Flower Mountain Pear) = PI 617550 (2364.001) - Pyrus hybrid - VIRUS INFECTED
- Virus Biological Assays - Positive: NP-1993 PV-1993
- Traits: LOW CHILL, SCAB RESISTANT
- 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)
- Morgan = PI 617549 (2363.001) - Pyrus communis L.
- Pedigree: Bartlett x Late Faulkner
- Virus Biological Assays - Negative: NP-1991 PV-1992, Uncertain: MM-2001
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT
- Nagy Szegfukorte = PI 449286 (122.004) - Pyrus communis ssp. pyraster (L.) Ehrh.
- Virus Biological Assays - Negative: MM-1997 NP-1990 PV-1989 VC-1989
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- 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 5137 = PI 654938 (2719.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-2003 PV-2002
- Traits: SCAB RESISTANT
- 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 x Old Home (Decline susceptible) = PI 541728 (415.001) - Pyrus hybrid
- Pedigree: Nijisseiki x Old home decline susceptible
- Virus Biological Assays - Negative: N.Poiteau-1987 P.Crassane-1984 Pyronia-1984 V.Crab-1989
- Traits: ROOTSTOCK, SCAB RESISTANT, PEAR DECLINE SUSCEPTIBLE
- Normannischen Ciderbirne = PI 231806 (416.002) - Pyrus communis L. - VIRUS INFECTED
- Virus Lab Assays - Positive: ASPV-2010
- Virus Biological Assays - Negative: MM-2001 NP-1989 PV-1990 VC-1989
- Traits: PERRY, SCAB RESISTANT
- OHxF 512 = PI 541414 (1344.001) - Pyrus communis L.
- Pedigree: Old Home x Farmingdale seedling selection
- Virus Biological Assays - Negative: N.Poiteau-1993 Pyronia-1993
- Traits: ROOTSTOCK, SCAB RESISTANT, FIRE BLIGHT SUSCEPTIBLE
- OPR-001 = PI 541430 (1375.001) - Pyrus communis ssp. pyraster (L.) Ehrh.
- Pedigree: Seedling of cultivar Anjou
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987
- Traits: ROOTSTOCK, SCAB RESISTANT
- OPR-013 OHxF C-34 = PI 541368 (1422.001) - Pyrus communis L.
- Pedigree: Old Home x Farmingdale
- Virus Biological Assays - Uncertain: P.Crassane-1984
- Traits: POSSIBLE DWARFING ROOTSTOCK, SCAB RESISTANT
- Obican Vodenac (3x) = PI 502177 (1637.004) - Pyrus communis L.
- Virus Biological Assays - Negative: NP-1990 PV-1990, Uncertain: MM-2001
- Traits: PSYLLA RESISTANT, SCAB RESISTANT, POLYPLOID (3x flow cytometry 2008)
- Okolo = PI 541908 (1185.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Seedling selection
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1988 V.Crab-1988, Uncertain: Bosc-1989
- Traits: FIRE BLIGHT RESISTANT, COLD HARDY, SCAB RESISTANT
- Old Home x P. betulifolia-1 = PI 541787 (1370.001) - Pyrus hybrid
- Pedigree: Old Home x P. betulaefolia-1
- Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1987
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT
- Old Home x P. betulifolia-1 = PI 541788 (1371.001) - Pyrus hybrid
- Pedigree: Old Home x P. betulaefolia-1
- Virus Biological Assays - Negative: N.Poiteau-1990 Pyronia-1987, Uncertain: B13-1983
- Traits: FIRE BLIGHT RESISTANT, ROOTSTOCK, SCAB RESISTANT
- Ooharabeni = PI 617674 (2619.001) - Pyrus hybrid
- Pedigree: Originally thought to be hybrid of Okusankichi and Max Red Bartlett.
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: NP-2003
- Traits: ORNAMENTAL, SCAB RESISTANT, COMPACT HABIT
- P-12 fire blight resistant rootstock = PI 541294 (715.002) - Pyrus communis L.
- Pedigree: Seedling selection
- Virus Biological Assays - Negative: NP-1987 PV-1990
- Traits: FIRE BLIGHT RESISTANT, ROOTSTOCK, SCAB RESISTANT
- P. communis = PI 541440 (699.001)
- Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1984
- Traits: SCAB RESISTANT
- P. communis = PI 541319 (714.001)
- Pedigree: Seedling selection from European seedlot
- Virus Biological Assays - Negative: B13-1983 N.Poiteau-1987 P.Crassane-1983
- Traits: SCAB RESISTANT
- P. communis - Czech Republic = PI 483381 (1535.002)
- Virus Biological Assays - Negative: NP-1989 PV-1988
- Traits: SCAB RESISTANT, POLYPLOID (3x flow cytometry 2014)
- P. communis - Macedonia (Smiljevka?) = PI 502178 (1638.001)
- Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1987
- Traits: SCAB RESISTANT
- 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 - Caucasus Mts. Russia = PI 324043 (2049.001)
- Pedigree: Seedling selection from seedlot collected in Russia
- Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1989
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica - Caucasus Mts. Russia = PI 324044 (2050.001)
- Pedigree: Seedling selection from seedlot collected in Russia
- Virus Biological Assays - Negative: N.Poiteau-1995 Pyronia-1990
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica - Caucasus Mts. Russia = PI 324047 (2053.001)
- Pedigree: Seedling selection from seed collected in Russia
- Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1989
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica - Caucasus Mts. Russia = PI 324048 (2054.001)
- Pedigree: Seedling selection from seedlot collected in Russia
- Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1990
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica - Caucasus Mts. Russia = PI 324050 (2056.001)
- Pedigree: Seedling selection from seedlot collected in Russia
- Virus Biological Assays - Negative: N.Poiteau-1990 Pyronia-1989
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica - Stavropol = PI 337437 (687.001)
- Pedigree: Collected from the wild in Russia
- Virus Biological Assays - Negative: B13-1983 N.Poiteau-1985 Pyronia-1985
- Traits: SCAB RESISTANT
- 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 - Stavropol = PI 440629 (720.001)
- Pedigree: Seedling selection from seedlot collected in Russia
- Virus Biological Assays - Negative: B13-1983 N.Poiteau-1993 Pyronia-1988
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica - Stavropol = PI 324029 (2038.001)
- Pedigree: Seedling selection from seedlot collected in Russia
- Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1990
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica - Stavropol = PI 324031 (2040.001)
- Pedigree: Seedling selection from seed collected in Russia
- Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1990
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica - U.S.S.R. = PI 313929 (680.001)
- Pedigree: Collected from the wild in the Soviet Union
- Virus Biological Assays - Negative: B13-1983 N.Poiteau-1985 Pyronia-1988
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica - Ukraine = PI 322710 (902.001)
- Pedigree: Possibly originally collected wild
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: B13-1983 LA62-1983 N.Poiteau-1990 Pyronia-1985
- 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 - Yankulyski = PI 440630 (730.001)
- Pedigree: Seedling selection from seedlot collected in Russia
- Virus Biological Assays - Negative: N.Poiteau-1987 P.Crassane-1984 Pyronia-1985
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica Mag 2 - Pyatigorsk, Russia = PI 541561 (702.001)
- Pedigree: Seedling selection from seedlot collected in Russia
- Virus Biological Assays - Negative: B13-1983 M.micromalus-2001 N.Poiteau-1985 Pyronia-1985
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica Mag 4 - Pyatigorsk, Russia = PI 541289 (682.001)
- Pedigree: Seedling selection from seed collected in Russia
- Virus Biological Assays - Negative: B13-1983 M.micromalus-2001 N.Poiteau-1985 Pyronia-1985 V.Crab-1991
- Traits: SCAB RESISTANT
- P. communis ssp. caucasica Magness No.6 = PI 541563 (681.001)
- Pedigree: Seedling selection from seed collected in Russia
- Virus Biological Assays - Negative: N.Poiteau-1983 Pyronia-1985
- Traits: SCAB RESISTANT
- P. communis ssp. pyraster - Crimea = PI 293838 (2060.001)
- Pedigree: Seedling selection from seed collected in Ukraine
- Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1990
- Traits: SCAB RESISTANT
- P. communis ssp. pyraster - Crimea = PI 293834 (2066.001)
- Pedigree: Seedling selection from seedlot collected in Ukraine
- Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1990
- Traits: SCAB RESISTANT
- 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 No. 1423 - Kholorash = PI 293842 (2068.001) - VIRUS INFECTED
- Pedigree: Seedling selection from seed collected in Moldova
- Virus Biological Assays - Positive: Pyronia-1990, Negative: N.Poiteau-1988
- Traits: SCAB RESISTANT
- P. communis ssp. pyraster No. 1423 - Yedentsi Forest = PI 293842 (2062.001)
- Pedigree: Seedling selection from seed collected in Moldova
- Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1991
- Traits: SCAB RESISTANT
- P. communis ssp. pyraster No. 9 = PI 541567 (881.001)
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: M.micromalus-2002 N.Poiteau-1985 P.Crassane-1983 Pyronia-1985
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry)
- P. communis ssp. pyraster Olez 3 - Turkey = PI 541395 (1252.001)
- Pedigree: Seedling selection A from seed collected in Turkey
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987
- Traits: SCAB RESISTANT
- P. communis ssp. pyraster Olez 3 - Turkey = PI 617521 (1467.001)
- Pedigree: Seedling selection B from seed collected in Turkey
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1987
- Traits: SCAB RESISTANT
- P. communis ssp. pyraster Olez 4 - Turkey = PI 541436 (1466.001)
- Pedigree: Seedling selection B from seed collected in Turkey
- Virus Biological Assays - Negative: B13-1983 N.Poiteau-1990 Pyronia-1987
- Traits: SCAB RESISTANT
- P. communis ssp. pyraster Olez 5 - Turkey = PI 541393 (1250.001)
- Pedigree: Seedling selection from seed collected in Turkey Crown Gall Resistant selection, M.N. Westwood
- Virus Biological Assays - Negative: N.Poiteau-1988 Pyronia-1988, Uncertain: P.Crassane-1985
- Traits: CROWNGALL RESISTANT, SCAB RESISTANT
- P. pyrifolia = PI 541921 (1259.001)
- Pedigree: Probably a seedling selection
- Virus Biological Assays - Negative: B13-1983 N.Poiteau-1985 Pyronia-1987
- Traits: SCAB RESISTANT
- 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 Donovan = PI 541923 (1297.001) - VIRUS INFECTED
- Pedigree: Seedling selection
- Virus Biological Assays - Positive: B13-1983, Negative: Pyronia-2002
- Traits: SCAB RESISTANT
- P. pyrifolia Kor 2 = PI 541925 (1464.001)
- Pedigree: Seedling selection B from OP seed from Korea
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1988 V.Crab-1992
- Traits: SCAB RESISTANT
- 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 seedling W-6 Wilson = PI 617517 (1291.001) - VIRUS INFECTED
- Pedigree: Seedling selection from OP seed collected in Arboretum
- Virus Biological Assays - Positive: N.Poiteau-1993 Pyronia-1993
- Traits: SCAB RESISTANT
- P. ussuriensis = PI 542020 (1332.001) - VIRUS INFECTED
- Pedigree: Seedling selection from Asian seedlot
- Virus Biological Assays - Positive: B13-1983
- Traits: SCAB RESISTANT
- P. ussuriensis CJW = PI 542016 (1286.001)
- Pedigree: Seedling selection from Asian seedlot
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1985
- Traits: SCAB RESISTANT
- P. ussuriensis x P. calleryana = PI 541799 (1479.001)
- Pedigree: P. ussuriensis x P. calleryana seedling selection B
- Virus Biological Assays - Negative: N.Poiteau-1985
- Traits: SCAB RESISTANT
- 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)
- 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)
- Pope [Bonner] = PI 617670 (2615.001) - Pyrus hybrid - VIRUS INFECTED
- Virus Biological Assays - Positive: PV-2002 RING-1999
- Traits: LATE RIPE, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Professor Grosdemage = PI 541246 (468.004) - Pyrus communis L.
- Virus Biological Assays - Negative: PV-1999
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Progres = PI 392322 (469.003) - Pyrus communis L.
- Pedigree: Beurre Giffard x Green Magdelene
- Virus Biological Assays - Negative: NP-1990 PV-1987
- Traits: VERY EARLY RIPE, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Rising Star (3x) = PI 617665 (2610.001) - Pyrus communis L.
- Virus Biological Assays - Negative: PV-2000
- Traits: SCAB RESISTANT, POLYPLOID (3x flow cytometry 2013)
- Romania 138-5-22 = PI 541968 (2276.001) - Pyrus communis L.
- Pedigree: Cultivar selection
- Virus Biological Assays - Negative: NP-1990 PV-1993
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Romania 3/35 FE-12-139 = PI 654916 (2441.001) - Pyrus hybrid - VIRUS INFECTED
- Virus Lab Assays - Positive: PBCVd-2001
- Virus Biological Assays - Negative: MM-1998 NP-1992 PV-1991
- Traits: SCAB RESISTANT
- 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
- 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)
- Shin Li = PI 617663 (2608.001) - Pyrus pyrifolia (Burm. f.) Nakai - VIRUS INFECTED
- Pedigree: Kikusui x Tse Li
- Virus Biological Assays - Positive: NP-2002 PV-2002
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- 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)
- Singo (=Niitaka) = PI 654919 (2447.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-2003
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Sladky = PI 127716 (534.001) - Pyrus hybrid
- Pedigree: Russian sand pear x Lincoln
- Virus Biological Assays - Negative: N.Poiteau-1987 P.Crassane-1984 Pyronia-1985 V.Crab-1988, Uncertain: Bosc-1989
- Traits: LATE RIPE, FIRE BLIGHT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Suisei = PI 352637 (554.001) - Pyrus pyrifolia (Burm. f.) Nakai
- Pedigree: Kikusui x Yakumo
- Virus Biological Assays - Negative: Bosc-1989 Pyronia-1989 V.Crab-1988
- Traits: BLACK SPOT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Szumi = PI 541905 (1174.002) - Pyrus pyrifolia (Burm. f.) Nakai
- Virus Biological Assays - Negative: NP-1989 PV-1990
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Ta Suan Li = PI 542001 (561.003) - Pyrus ussuriensis Maxim.
- Pedigree: old selection from North China
- Virus Biological Assays - Negative: MM-1996 NP-1995 PV-1995
- Traits: SCAB RESISTANT, POLYPLOID (3x flow cytometry 2013)
- Takisha = PI 506386 (1675.003) - Pyrus hybrid
- Virus Biological Assays - Negative: NP-1995 PV-1991, Uncertain: MM-2001
- Traits: LATE RIPE, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Tang Li = PI 542024 (1184.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Virus Biological Assays - Positive: N.Poiteau-1985, Negative: Bosc-1988 P.Crassane-1984 V.Crab-1988
- Traits: FIRE BLIGHT RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Tang Li ID? = PI 542024 (1184.002) - Pyrus ussuriensis Maxim.
- Virus Lab Assays - Negative: PBCVd-2000
- Virus Biological Assays - Negative: NP-1990 PV-1991, Uncertain: MM-2003
- Traits: FIRE BLIGHT RESISTANT, MILDEW RESISTANT, SCAB RESISTANT, DIPLOID (flow cytometry)
- Tikvaca = PI 502168 (1628.001) - Pyrus communis L.
- Virus Lab Assays - Negative: PNRSV-1990
- Virus Biological Assays - Negative: M.micromalus-2001 N.Poiteau-1987 Pyronia-1988
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Turnbull (Turnbull Giant) = PI 617642 (2573.001) - Pyrus hybrid
- Pedigree: Chance Seedling
- Virus Biological Assays - Negative: MM-1999 NP-1996 PV-1999
- Traits: LARGE FRUIT, LOW CHILL 250 hrs, SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- 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
- Unknown Cultivar [Bartlett type but round] = PI 541961 (1620.001) - Pyrus communis L.
- Pedigree: Seedling selection or chance seedling
- Virus Biological Assays - Negative: M.micromalus-2001 N.Poiteau-1987 Pyronia-1988
- Traits: SCAB RESISTANT
- Ure = PI 541556 (2285.001) - Pyrus hybrid
- Virus Biological Assays - Negative: NP-1990 PV-1990
- Traits: COLD HARDY, SCAB RESISTANT, LOW CHILL, DIPLOID (flow cytometry 2012)
- Urechelnite = PI 502175 (1635.001) - Pyrus communis L.
- Virus Biological Assays - Negative: N.Poiteau-1987 Pyronia-1988 V.Crab-1991, Uncertain: M.micromalus-2001
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- Uzhi Li = PI 654958 (2784.001) - Pyrus ussuriensis Maxim. - VIRUS INFECTED
- Pedigree: Recived from Kazakhstan, where they are used as pear rootstocks. Originated in China.
- Virus Biological Assays - Positive: NP-2003
- Traits: SCAB RESISTANT, ROOTSTOCK, DIPLOID (flow cytometry 2012)
- Van Fleet Hybrid No. 1 = PI 64229 (588.001) - Pyrus hybrid
- Pedigree: P. communis x chinese type
- Virus Biological Assays - Negative: N.Poiteau-1985 Pyronia-1989 V.Crab-1988
- Traits: SCAB RESISTANT, DIPLOID (flow cytometry 2012)
- 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)
- Vodenjac (3x) = PI 617614 (2540.001) - Pyrus communis L.
- Virus Biological Assays - Negative: NP-1999 PV-1999, Uncertain: MM-2001
- Traits: SCAB RESISTANT, PSYLLA RESISTANT, POLYPLOID (3x flow cytometry 2008)
- Wilder Early = PI 541283 (605.002) - Pyrus communis L.
- Pedigree: Chance seedling
- Virus Biological Assays - Negative: NP-1989 PV-1987
- Traits: HEIRLOOM, SCAB RESISTANT, EARLY RIPE, CURATOR CHOICE, DIPLOID (flow cytometry 2012)
- Wilder Early [Wikler Early] = PI 541355 (1159.003) - Pyrus communis L.
- Virus Biological Assays - Negative: NP-1992 PV-1986
- Traits: HEIRLOOM, SCAB RESISTANT, EARLY RIPE
- 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)