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United States Department of Agriculture
Agricultural Research Service
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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.
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USDA National Plant Germplasm System
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Descriptor:
Petal Spot (PETALSPOT)
Download list of accessions evaluated for this trait
Definition:
Type of petal spotting. For the Arizona Collections the codes are from 0 (spotless) to 22 (full spot).
Crop:
COTTON-PRE2006
Category:
Morphological descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Responsible Site:
Cotton Collection (
COT
)
Studies or environments
COTTON.GENERAL
899 Accessions
Distribution of Values for
Petal Spot (PETALSPOT)
Code
Definition
Number of Accessions
0
None
755
1
Light spot
44
2
Medium spot
56
3
Heavy spot
44