Skip to main content
Skip to site map
United States Department of Agriculture
Agricultural Research Service
0
Cart
Welcome!
***THIS IS A TESTING SITE ONLY.***
Please do not place germplasm orders on this site.
GRIN-Global
Menu
USDA National Plant Germplasm System
Version:
2.3.12 [npgstest -- bhunt2312-0204]
Menu
Accessions
Descriptors
Reports
GRIN Taxonomy
Search Taxonomy
Crop Wild Relative Data
Nodulation Data
Regulations
World Economic Plants
About GRIN Taxonomy
GRIN
USDA Genetic Resource Collections
About GRIN-Global
Use of Cookies
NPGS Distribution Policy
Software Disclaimer
GRIN-U
Help
Contact Us
Your Profile
Your Profile
Your Web Request History
Your Address Book
Your Wish List
Details for: PI 617635,
Pyrus
hybr., 'Thomas'
Summary
Passport
Taxonomy
Other
Pedigree
IPR
Observation
Summary Data
Taxonomy:
Pyrus
hybr.
Cultivar:
'Thomas'
Origin:
Developed – Saskatchewan, Canada
Maintained:
National Clonal Germplasm Repository
Received by NPGS:
07 Feb 1996
Improvement Status:
Cultivar
Form Received:
Budwood
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.
Images
(2
total. Click on image for more.)
Core Passport Data
Taxonomy:
Pyrus
hybr.
Cultivar:
'Thomas'
Origin:
Developed – Saskatchewan, Canada
Maintained:
National Clonal Germplasm Repository
Received by NPGS:
07 Feb 1996
Improvement Status:
Cultivar
Form Received:
Budwood
Life Form:
Tree
Life Habit:
Tree
Source History
Developed
1960.
Saskatchewan, Canada
Developer(s):
Patterson, C.F.
Donated
07 February 1996.
Ontario, Canada
Comment:
Ag. Canada, Morden, Manitoba to Can. Clonal Genebank to NCGR
Donor(s):
Luffman, Margie, Agriculture Canada
Accession Names and Identifiers
'Thomas'
Type: Cultivar name
Patterson, C.F.
CANADA PYR155
Type: Institute identifier
Group: CANADA CGB
Canadian Clonal Gene Bank
Sask. PR-17
Type: Developer identifier
CPYR 2565
Type: Site identifier
Group: LOCAL
Corvallis local number
HYBRID CULTIVAR
Type: Site identifier
Group: CROPTYPE
Narrative
Thomas (PI 617635).-Originated in Saskatoon, Saskatchewan, Canada, by C.F. Patterson, University of Saskatchewan. Introduced in 1960 for home gardens, Pyrus ussuriensis Maxim. x Bartlett; selected in 1959; tested as Sask. PR-17. Fruit: 2.25 inches long and 2.25 inches in diam. under nonirrigated field conditions at Saskatoon; flesh very firm, quality fair; keeps well in cold storage; ripens during late September to early October. Tree: hardy. -- Brooks and Olmo Register of Fruit and Nut Varieties.
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
Other Links
Actions
Pathogens
Bioassay
P. communis 'Nouveau Poiteau'. NEGATIVE
Inventory:
CPYR 2565 .001 PL
Pyronia veitchii. NEGATIVE
Inventory:
CPYR 2565 .001 PL
Vouchers
Citations
Pedigree
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 2565 .001 PL
Not Available
DISEASE
FRUIT_SCAB
RATING OF DAMAGE CAUSED BY FRUIT SCAB
5 - (1 = NO DAMAGE, 9 = SEVERE DAMAGE)
PYRUS.CORVALLIS.2005.FRUITSCAB
CPYR 2565 .001 PL
Not Available
DISEASE
Fabraea Leafspot Disease
Observed presence/severity of Fabraea Leafspot Disease
7
PYRUS.CORVALLIS.2003.FABRAEA
CPYR 2565 .001 PL
Not Available