Details for: PI 540984, Pyrus betulifolia Bunge, 'OPR 262'


Summary Data
Taxonomy:
Pyrus betulifolia Bunge
Cultivar:
'OPR 262'
Origin:
Developed – Oregon, United States
Received by NPGS:
08 Apr 1983
Improvement Status:
Breeding material
Form Received:
Plant
Life Form:
Tree
Life Habit:
Tree
Availability
This accession is not available. Contact site for status.
Request are accepted Sept. 1st - Nov. 30th; Ships Jan.- Mar.

  
There are no images for this accession.

Core Passport Data
Taxonomy:
Pyrus betulifolia Bunge
Cultivar:
'OPR 262'
Origin:
Developed – Oregon, United States
Received by NPGS:
08 Apr 1983
Improvement Status:
Breeding material
Form Received:
Plant
Life Form:
Tree
Life Habit:
Tree
Source History
Developed

Oregon, United States

Developer(s):
Donated
08 April 1983.
Oregon, United States
Comment: Rec'd from Talent, Oregon to OSU Lewis-Brown Farm to NCGR- Corvallis
Donor(s):
Accession Names and Identifiers
'OPR 262'
Type: Cultivar name
OPR = Oregon Pear Rootstock
Westwood, Melvin N. USDA/ARS/NCGR-Corvallis

Crown Gall Resistant Clone No. 4
Type: Developer identifier

P. betulifolia OSU No. 3 sdlg.
Type: Developer identifier

CPYR 1381
Type: Site identifier
Group: LOCAL
Corvallis local number

SPECIES
Type: Site identifier
Group: CROPTYPE

Narrative
OPR (Oregon Pear Rootstock) No. 262 is a seedling of P. betulifolia Talent No. 3; Crown gall resistant clone No. 4 selected by M.N. Westwood.
Pyrus betulifolia Bunge
Genus:
Pyrus
Section:
Pashia
Family:
Rosaceae
Subfamily:
Amygdaloideae
Tribe:
Maleae
Subtribe:
Malinae
Nomen number:

30458
Place of publication:

Enum. pl. China bor. 27. 1833 (Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans 2:101. 1835) "betulaefolia"
Comment:
  • spelling corrected in accordance with Shenzhen ICN Art. 60.10 and Rec. 60G
  • valid publication verified from original literature
Verified:
07/18/2011 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Common names
LanguageNameAlternate namenoteseqCitation
Englishbirch-leaf pear  1Erhardt, W. et al. 2000. Zander: Handwörterbuch der Pflanzennamen, 16. Auflage
Germanbirkenblättriger Flügelstorax  2Erhardt, W. et al. 2000. Zander: Handwörterbuch der Pflanzennamen, 16. Auflage
Transcribed Chinesedu li  2Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Annotations
Other Links
Actions
Pathogens
Bioassay
  • P. communis selection B-13. NEGATIVE Inventory: CPYR 1381 .001 PL
  • P. communis 'Nouveau Poiteau'. NEGATIVE Inventory: CPYR 1381 .001 PL
  • Pyronia veitchii. NEGATIVE Inventory: CPYR 1381 .001 PL
Vouchers
Citations
Pedigree
Description:
P. betulifolia No. 3 seedling selection

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
DISEASEFRUIT_SCABRATING OF DAMAGE CAUSED BY FRUIT SCAB1 - NO DAMAGE PYRUS.CORVALLIS.1987 Not Available
DISEASELEAF_SCABRATING OF DAMAGE CAUSED BY LEAF SCAB1 - NO DAMAGE PYRUS.CORVALLIS.1987 Not Available
DISEASELEAF_SCABRATING OF DAMAGE CAUSED BY LEAF SCAB3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE) PYRUS.CORVALLIS.1987 Not Available
DISEASEMILDEWRATING OF DAMAGE CAUSED BY MILDEW5 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE) PYRUS.CORVALLIS.1987 Not Available
DISEASERUSTRATING OF DAMAGE CAUSED BY RUST1 - NO DAMAGE PYRUS.CORVALLIS.1987 Not Available
DISEASERUSTRATING OF DAMAGE CAUSED BY RUST3 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE) PYRUS.CORVALLIS.1987 Not Available
GROWTHTREE SYMMETRYSYMMETRY OF TREE GROWTH3 - SYMMETRIC PYRUS.WIEGREFE.1992 Not Available
INSECTBLISTER_MITESRATING OF DAMAGE CAUSED BY BLISTER MITES1 - NO DAMAGE PYRUS.CORVALLIS.1987 Not Available
MORPHOLOGYTREE SHAPEOVERALL SHAPE OF TREE SILHOUETTE3 - OVAL ROUND PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYCENTRAL LEADERDOMINANCE OR PERSISTENCE OF THE CENTRAL LEADER2 - MODERATE PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYBRANCH ANGLE 1LOWER LIMIT OF TYPICAL BRANCH ANGLE IN DEGREES0 PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYBRANCH ANGLE 2UPPER LIMIT OF TYPICAL BRANCH ANGLE IN DEGREES0 PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYBRANCH DENSITYDENSITY OF BRANCHING2 - INTERMEDIATE PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYBRANCH STIFFNESSPHYSICAL (N.N. VISUAL) STIFFNESS OF BRANCHES2 - INTERMEDIATE PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYBARK TEXTURETEXTURE OF THE BARK4 - FURROWED PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYTHORN ADULTPRESENCE OF THORNS AS ADULT1 - NONE PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYSUMMER LEAF COLORSUMMER LEAF COLOR RECORDED AS HUE, NOT VALUE.1 - LIGHT PYRUS.WIEGREFE.1992 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM92 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM99 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYLAST_BLOOMJULIAN DATE OF LAST BLOOM115 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYFULL_RIPEJULIAN DATE OF FULL RIPE FRUIT297 PYRUS.CORVALLIS.1990 Not Available