Details for: PI 541025, Pyrus ×calleryana Decne., 'OPR 268'


Summary Data
Taxonomy:
Pyrus ×calleryana Decne.
Cultivar:
'OPR 268'
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.
Restricted Distribution due to Pathogen infection

  
There are no images for this accession.

Core Passport Data
Taxonomy:
Pyrus ×calleryana Decne.
Cultivar:
'OPR 268'
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: Received from the Lewis Brown Farm, Corvallis, OR to NCGR- Corvallis
Donor(s):
Accession Names and Identifiers
'OPR 268'
Type: Cultivar name
OPR = Oregon Pear Rootstock

P. calleryana 5 1/2 - 38
Type: Developer identifier
Westwood, Melvin N. USDA/ARS/NCGR-Corvallis

SPECIES
Type: Site identifier
Group: CROPTYPE

CPYR 667
Type: Other or unclassified name
Group: LOCAL
Corvallis local number

Narrative
OPR (Oregon Pear Rootstock) No. 268 is the final numbered selection in Mel Westwood's rootstock selection notebook. Selection made in Corvallis, OR grown from seed obtained from Talent, OR.
Pyrus ×calleryana Decne.
Genus:
Pyrus
Section:
Pashia
Family:
Rosaceae
Subfamily:
Amygdaloideae
Tribe:
Maleae
Subtribe:
Malinae
Nomen number:

30463
Place of publication:

Jard. fruit. 1:329, sub t. 8. 1872, pro sp.
Comment:
  • valid publication verified from original literature
  • for final year of publication see TL II 1:609, entry 1338. 1976
Verified:
11/24/2018 by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Autonym(s)
Pyrus ×calleryana Decne. f. calleryana
Pyrus ×calleryana Decne. var. calleryana

Heterotypic Synonym(s)
Pyrus ×calleryana Decne. f. graciliflora Rehder
Pyrus ×calleryana Decne. f. tomentella Rehder
Pyrus kawakamii Hayata

Common names
LanguageNameAlternate namenoteseqCitation
EnglishBradford pear  1Terrell, E. E. et al. 1986. Agricultural Handbook no. 505 Note: not as hybrid
Englishcallery pear  1Facciola, S. 1990. Cornucopia, a source book of edible plants Kampong Publications. Note: not as hybrid
Japanese Rōmajimame-nashi  2Iwatsuki, K. et al. 1993-. Flora of Japan. Note: not as hybrid
Swedishlitet kinapäron  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) Note: not as hybrid
Transcribed Chinesedou li  2Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: not as hybrid
Annotations
  • The Taxonomic Name Of The Accession When It Was Received: 31 Jul 1989, from Pyrus ×calleryana Decne. var. koehnei (C. K. Schneid.) T. T. Yu to Pyrus ×calleryana Decne.
Other Links
Actions
Pathogens
Bioassay
  • P. communis selection B-13. POSITIVE Inventory: CPYR 667 .001 PL
  • P. communis 'Nouveau Poiteau'. AMBIGUOUS Inventory: CPYR 667 .001 PL
  • P. communis 'Nouveau Poiteau'. NEGATIVE Inventory: CPYR 667 .003 PL
  • Pyronia veitchii. NEGATIVE Inventory: CPYR 667 .003 PL
  • P. communis 'Nouveau Poiteau'. NEGATIVE Inventory: CPYR 667 .004 PL
  • Pyronia veitchii. AMBIGUOUS Inventory: CPYR 667 .004 PL
Vouchers
Citations
Pedigree
Description:
P. calleryana 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
DISEASERUSTRATING OF DAMAGE CAUSED BY RUST1 - NO 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 LEADER3 - STRONG 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 BARK3 - SLIGHTLY FURROWED PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYSUMMER LEAF COLORSUMMER LEAF COLOR RECORDED AS HUE, NOT VALUE.2 - MEDIUM PYRUS.WIEGREFE.1992 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM70 PYRUS.CORVALLIS.1991 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM74 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM79 PYRUS.CORVALLIS.1991 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM84 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYLAST_BLOOMJULIAN DATE OF LAST BLOOM103 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYLAST_BLOOMJULIAN DATE OF LAST BLOOM89 PYRUS.CORVALLIS.1991 Not Available