Skip to main content
Skip to site map
United States Department of Agriculture
Agricultural Research Service
0
Cart
Welcome!
Effective Jan. 1, 2025, the U.S. National Plant Germplasm System will modify its SMTA acceptance policy to distinguish between propagative and non-propagative germplasm.
Click here
for more information.
GRIN-Global
Menu
USDA National Plant Germplasm System
Version:
2.3.12
Menu
Accessions
Descriptors
Reports
GRIN Taxonomy
Search Taxonomy
Crop Wild Relative Data
Map U.S. Crop Wild Relatives ↗
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
Descriptor:
Chromosome Number (PLOIDY)
Download list of accessions evaluated for this trait
Definition:
Laboratory determination of chromosome number.
Crop:
WHEAT
Category:
Cytological or cellular descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Numeric descriptor
Maximum Length:
4
Responsible Site:
National Small Grains Collection (
NSGC
)
Studies or environments
WHEAT.PLOIDY.ABERDEEN
29132 Accessions
WHEAT.PLOIDY.COLUMBIA.84
244 Accessions
WHEAT.PLOIDY.COLUMBIA.85
250 Accessions
WHEAT.PLOIDY.COLUMBIA.88
2 Accessions
WHEAT.PLOIDY.COLUMBIA.89
15 Accessions
WHEAT.PLOIDY2.ABERDEEN
9016 Accessions
Distribution of Values for
Chromosome Number (PLOIDY)
Range
Number of Accessions
14 - 18
191
18 - 22
0
22 - 27
0
27 - 31
8008
31 - 35
0
35 - 39
0
39 - 43
30373
43 - 48
0
48 - 52
0
52 - 56
8