Details for: PI 541069, Pyrus ×calleryana Decne., 'OPR 255'


Summary Data
Taxonomy:
Pyrus ×calleryana Decne.
Cultivar:
'OPR 255'
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.
 
There are no images for this accession.

Core Passport Data
Taxonomy:
Pyrus ×calleryana Decne.
Cultivar:
'OPR 255'
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 OSU Lewis Brown Farm to NCGR-Corvallis
Donor(s):
Accession Names and Identifiers
'OPR 255'
Type: Cultivar name
OPR = Oregon Pear Rootstock

Rootstock Pear
Type: Local name

SPECIES
Type: Site identifier
Group: CROPTYPE

CPYR 1433
Type: Other or unclassified name
Group: LOCAL
Corvallis local number

Narrative
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
Other Links
Actions
Pathogens
Bioassay
  • P. communis 'Nouveau Poiteau'. NEGATIVE Inventory: CPYR 1433 .001 PL
  • P. communis 'Passe Crassane'. POSITIVE Inventory: CPYR 1433 .001 PL
  • P. communis 'Nouveau Poiteau'. NEGATIVE Inventory: CPYR 1433 .002 PL
  • Pyronia veitchii. NEGATIVE Inventory: CPYR 1433 .002 PL
  • Virginia Crab. NEGATIVE Inventory: CPYR 1433 .002 PL
Vouchers
Citations
Pedigree
Description:
Seedling selection from seed from Southern Nursery

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
DISEASELEAF_SCABRATING OF DAMAGE CAUSED BY LEAF SCAB1 - NO DAMAGE PYRUS.CORVALLIS.1987 Not Available
DISEASEPSEUDOMONASRATING OF DAMAGE CAUSED BY PSEUDOMONAS9 - SEVERE DAMAGE PYRUS.CORVALLIS.1988 Not Available
DISEASERUSTRATING OF DAMAGE CAUSED BY RUST1 - NO DAMAGE PYRUS.CORVALLIS.1987 Not Available
GROWTHTREE SYMMETRYSYMMETRY OF TREE GROWTH2 - INTERMEDIATE PYRUS.WIEGREFE.1992 Not Available
INSECTBLISTER_MITESRATING OF DAMAGE CAUSED BY BLISTER MITES1 - NO DAMAGE PYRUS.CORVALLIS.1987 Not Available
MORPHOLOGYPEDICEL_ATTACHMENTPEDICEL ATTACHMENTU - SUNKEN PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYCALYXCALYXD - DECIDUOUS PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYGROUND_COLORGROUND COLORL - GOLDEN PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYOVER_COLOROVERCOLORN - NONE PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYRUSSETAMOUNT OF RUSSETING9 - COMPLETELY RUSSETED PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYRUSSET_LOCATIONLOCATION OF RUSSETINGE - EVERYWHERE PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYLENTICELSNUMBER OF LENTICELS5 - (1 = FEW, 9 = MANY) PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYLENTICEL_SIZESIZE OF LENTICELS3 - (1 = SMALL, 9 = LARGE) PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYDOTSDOTSC - CONSPICUOUS PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYFLESH_COLORFLESH COLORY - YELLOW PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYFRUITCORECOREM - MEDIAN PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYCARPEL_NUMBERNUMBER OF CARPELS2 PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYGRITNUMBER OF STONE CELLS2 - (1 = NO STONE CELLS, 9 = MANY STONE CELLS) PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYGRIT_SIZESIZE AND LOCATION OF STONE CELLSS - SMALL PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYCORE_BREAKDOWNDEGREE OF CORE BREAKDOWN, DETERMINED ON TREE RIPENED FRUIT1 - NONE PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYOXIDATIONOXIDATION OF CUT MEASURED AFTER 5 MINUTES3 - (1 = NONE, 9 = SEVERE) PYRUS.CORVALLIS.STD Not Available
MORPHOLOGYBLOOM_DENSITYBLOOM DENSITY6 - (1 = LOW, 9 = HIGH) PYRUS.CORVALLIS.1987 Not Available
MORPHOLOGYBLOOM_DENSITYBLOOM DENSITY7 - (1 = LOW, 9 = HIGH) PYRUS.CORVALLIS.1988 Not Available
MORPHOLOGYBLOOM_DENSITYBLOOM DENSITY8 - (1 = LOW, 9 = HIGH) PYRUS.CORVALLIS.1988 Not Available
MORPHOLOGYTREE SHAPEOVERALL SHAPE OF TREE SILHOUETTE4 - ROUND 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 ADULT3 - NUMEROUS PYRUS.WIEGREFE.1992 Not Available
MORPHOLOGYSUMMER LEAF COLORSUMMER LEAF COLOR RECORDED AS HUE, NOT VALUE.3 - DARK PYRUS.WIEGREFE.1992 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM69 PYRUS.CORVALLIS.1986 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM71 PYRUS.CORVALLIS.1988 Not Available
PHENOLOGYFIRST_BLOOMJULIAN DATE OF FIRST BLOOM77 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM78 PYRUS.CORVALLIS.1988 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM78 PYRUS.CORVALLIS.1987 Not Available
PHENOLOGYFULL_BLOOMJULIAN DATE OF FULL BLOOM88 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYLAST_BLOOMJULIAN DATE OF LAST BLOOM102 PYRUS.CORVALLIS.1990 Not Available
PHENOLOGYLAST_BLOOMJULIAN DATE OF LAST BLOOM104 PYRUS.CORVALLIS.1988 Not Available
PHENOLOGYLAST_BLOOMJULIAN DATE OF LAST BLOOM96 PYRUS.CORVALLIS.1987 Not Available
PHENOLOGYFULL_RIPEJULIAN DATE OF FULL RIPE FRUIT296 PYRUS.CORVALLIS.1990 Not Available