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Details for: PI 657927,
Pyrus
hybr., 'David'
Summary
Passport
Taxonomy
Other
Pedigree
IPR
Observation
Summary Data
Taxonomy:
Pyrus
hybr.
Cultivar:
'David'
Origin:
Developed – Saskatchewan, Canada
Maintained:
National Clonal Germplasm Repository
Received by NPGS:
11 Apr 2007
Improvement Status:
Cultivar
Form Received:
Plant
Life Form:
Tree
Life Habit:
Tree
Availability
This accession is not available. Contact site for status.
National Clonal Germplasm Repository
Request are accepted Sept. 1st - Nov. 30th; Ships Jan.- Mar.
There are no images for this accession.
Core Passport Data
Taxonomy:
Pyrus
hybr.
Cultivar:
'David'
Origin:
Developed – Saskatchewan, Canada
Maintained:
National Clonal Germplasm Repository
Received by NPGS:
11 Apr 2007
Improvement Status:
Cultivar
Form Received:
Plant
Life Form:
Tree
Life Habit:
Tree
Source History
Developed
1960.
Saskatchewan, Canada
Comment:
Originated in Saskatoon at Univ. of Saskatchewan by C.F. Patterson
Donated
11 April 2007.
New York, United States
Donor(s):
St. Lawrence Nurseries
Accession Names and Identifiers
'David'
Type: Cultivar name
Sask. PR-3
Type: Developer identifier
CPYR 2920
Type: Site identifier
Group: LOCAL
Corvallis local number
HYBRID CULTIVAR
Type: Site identifier
Group: CROPTYPE
Narrative
Originated at University of Saskatchewan in Saskatoon, Canada, by C.F. Patterson. Selected in 1958 and introduced in 1960. Pedigree: Pyrus ussuriensis x Bartlett. Tested as Sask. PR-3. Fruit: up to 2.75 in. long and 2.25 in. diameter under nonirrigated field conditions at Saskatoon; skin thin, flesh quality good, holds firmness without breaking down quickly; good for cooking and processing. Ripe in September. Tree is fire blight resistant and extremely cold hardy, to below -50 F.
Pyrus
hybr.
Genus:
Pyrus
Family:
Rosaceae
Subfamily:
Amygdaloideae
Tribe:
Maleae
Subtribe:
Malinae
Nomen number:
300498
Comment:
interim designation used in GRIN for
Pyrus
hybrids which lack an acceptable binomial
Verified:
11/02/1990
by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Common names
Name
References
Annotations
Taxonomic Re-Identification:
02 Aug 2013, from
Pyrus communis
L. to
Pyrus
hybr.
Other Links
Actions
Pathogens
Vouchers
Citations
Pedigree
Description:
Pyrus ussuriensis x Bartlett
Material Transfer Agreement
Observations
Phenotype Data
Category
Descriptor
Description
Value
Sample Size
Study
Inventory
Availability
CYTOLOGIC
PLOIDY LEVEL
Number of sets of chromosomes.
2x - diploid
PYRUS.PLOIDY.2012
CPYR 2920 .001 PL
Not Available