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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:
SCLER_HEAD_ROT (SCLERHDROT)
Download list of accessions evaluated for this trait
Definition:
PERCENT RESISTANT PLANTS TO SCLEROTINIA HEAD ROT (SCLEROTINIA SCLEROTIORUM) (LIB.) D BY.
Crop:
SUNFLOWER
Category:
Disease descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Numeric descriptor
Maximum Length:
4
Responsible Site:
North Central Regional Plant Introduction Station (
NC7
)
Studies or environments
SUNFLOWER.ND.SCLEROTINIA.86
121 Accessions
Distribution of Values for
SCLER_HEAD_ROT (SCLERHDROT)
Range
Number of Accessions
0 - 6
24
6 - 13
14
13 - 19
21
19 - 25
24
25 - 32
12
32 - 38
10
38 - 44
10
44 - 50
3
50 - 57
1
57 - 63
2