NCGR-Corvallis Pyrus Catalog

Genetic Dwarf or Compact Habit 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: 01 May 2013

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.

• 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)
• 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
• 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
• 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)
• P. nivalis (hybrid) - Yugoslavia - compact habit = PI 541745 (866.001)
  - Pedigree: Seedling selection from seedlot collected in Yugoslavia
  - Virus Biological Assays - Negative: Pyronia-1987, Uncertain: N.Poiteau-2003
  - Traits: COMPACT HABIT, ORNAMENTAL
• P. xerophila - extreme dwarf mutant = PI 637987 (2433.001)
  - Pedigree: Seed presumably collected from wild(?) in North China
  - Virus Biological Assays - Negative: NP-1995 PV-1995
  - Traits: GENETIC DWARF, SPECIALTY
• 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
• Passe Crassane = PI 131662 (441.002) - Pyrus communis L.
  - Pedigree: Seedling selection
  - Virus Lab Assays - Negative: PBCVd-2000
  - Virus Biological Assays - Negative: MM-2002 NP-1992 PV-1992
  - Traits: VERY LATE RIPE, FIRE BLIGHT SUSCEPTIBLE, VIRUS INDICATOR, COMPACT HABIT, FROST RESISTANT, QUINCE COMPATIBLE, MONOLINIA RESISTANT, HEIRLOOM, DIPLOID (flow cytometry), DNA STANDARD
• Passe Crassane Rouge = PI 131663 (445.001) - Pyrus communis L. - VIRUS INFECTED
  - Pedigree: Bud mutation of cv Passe Crassane
  - Virus Lab Assays - Positive: PBCVd-1995 Viroid-2009
  - Virus Biological Assays - Negative: M.micromalus-1997 N.Poiteau-1988 P.Crassane-1984 Pyronia-1985 V.Crab-1992
  - Traits: VERY LATE RIPE, FIRE BLIGHT SUSCEPTIBLE, QUINCE COMPATIBLE, COMPACT HABIT
• Zaharoasa de Vara = PI 352661 (626.001) - Pyrus communis L.
  - Virus Biological Assays - Negative: M.micromalus-1999 N.Poiteau-1987 P.Crassane-1984 Pyronia-1985 V.Crab-1992
  - Traits: COMPACT HABIT, EARLY RIPE