Details for: PI 617646, Pyrus ×calleryana Decne., 'Bradford'


Summary Data
Taxonomy:
Pyrus ×calleryana Decne.
Cultivar:
'Bradford'
Origin:
Developed – Maryland, United States
Received by NPGS:
26 Jan 1996
Improvement Status:
Cultivar
Form Received:
Scion
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.

  
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FRUIT

Core Passport Data
Taxonomy:
Pyrus ×calleryana Decne.
Cultivar:
'Bradford'
Origin:
Developed – Maryland, United States
Received by NPGS:
26 Jan 1996
Improvement Status:
Cultivar
Form Received:
Scion
Life Form:
Tree
Life Habit:
Tree
Source History
Developed

Maryland, United States
Comment: Sdlng sel. in Glenn Dale, MD in 1920, named/released 1960.
Developer(s):
Donated
26 January 1996.
Washington, United States

Donor(s):
Accession Names and Identifiers
'Bradford'
Type: Cultivar name
Non-thorny, disease resistant ornamental pear selection. Named for F.C. Bradford, Horticulturist at Glenn Dale.
Whitehouse, W.E. Bureau of Plant Industry

CPYR 2577
Type: Site identifier
Group: LOCAL
Corvallis local number

ORNAMENTAL CULTIVAR
Type: Site identifier
Group: CROPTYPE

Narrative
Clone from IR-2, Prosser, Washington. Prosser obtained from USDA, Glenn Dale, Maryland in 1980.

Attractive in early spring when it blooms, easily trained, good autumn foliage color, very adaptible to range of conds. This virus free accession replaces virus infected CPYR 2184.

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
  • Malus micromalus. NEGATIVE Inventory: CPYR 2577 .001 PL
  • P. communis 'Nouveau Poiteau'. NEGATIVE Inventory: CPYR 2577 .001 PL
  • Pyronia veitchii. NEGATIVE Inventory: CPYR 2577 .001 PL
Vouchers
Citations
Pedigree
Description:
Seedling selection from seedlot PI 47261

Observations

Phenotype Data

CategoryDescriptorDescriptionValueSample SizeStudyInventoryAvailability
CYTOLOGICPLOIDY LEVELNumber of sets of chromosomes.2x - diploid PYRUS.PLOIDY.2008CPYR 2577 .001 PLNot Available
DISEASEFRUIT_SCABRATING OF DAMAGE CAUSED BY FRUIT SCAB1 - NO DAMAGE PYRUS.CORVALLIS.2003.FRUITSCABCPYR 2577 .001 PLNot Available
DISEASEFRUIT_SCABRATING OF DAMAGE CAUSED BY FRUIT SCAB1 - NO DAMAGE PYRUS.CORVALLIS.2002.FRUITSCABCPYR 2577 .001 PLNot Available
DISEASEMILDEWRATING OF DAMAGE CAUSED BY MILDEW1 - NO DAMAGE3PYRUS.CORVALLIS.2003.MILDEWCPYR 2577 .001 PLNot Available
DISEASEMILDEWRATING OF DAMAGE CAUSED BY MILDEW1 - NO DAMAGE3PYRUS.CORVALLIS.2002.MILDEWCPYR 2577 .001 PLNot Available
GENSTOCKPYRUS CORE SUBSETA flag to indicate the accession is part of the core subset  PYRUS.CORE.2012 Not Available