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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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2.3.12
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Descriptor:
Orobanche frequency (OROBANFREQ)
Download list of accessions evaluated for this trait
Definition:
The percentage of plants parasitized by Orobanche
Crop:
SUNFLOWER
Category:
Disease descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Numeric descriptor
Maximum Length:
6
Responsible Site:
North Central Regional Plant Introduction Station (
NC7
)
Studies or environments
SUNFLOWER.TUR.OROBANCHE.93
903 Accessions
Distribution of Values for
Orobanche frequency (OROBANFREQ)
Range
Number of Accessions
0 - 10
33
10 - 20
40
20 - 30
52
30 - 40
58
40 - 50
89
50 - 60
82
60 - 70
92
70 - 80
115
80 - 90
129
90 - 100
236