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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:
Common leaf spot (LEAF SPOT)
Download list of accessions evaluated for this trait
Definition:
Percent of plants resistant to Common Leaf spot (Pseudopeziza medicaginis).
Crop:
ALFALFA
Category:
Disease descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Numeric descriptor
Maximum Length:
6
Responsible Site:
Western Regional PI Station (
W6
)
Studies or environments
ALFALFA.LEAFSPOT.83.LEATH
300 Accessions
ALFALFA.LEAFSPOT.84.LEATH
179 Accessions
ALFALFA.LEAFSPOT.89.LEATH
200 Accessions
ALFALFA.LEAFSPOT.90.LEATH
143 Accessions
Distribution of Values for
Common leaf spot (LEAF SPOT)
Range
Number of Accessions
2.58 - 2.82
3
2.82 - 3.05
9
3.05 - 3.29
25
3.29 - 3.52
53
3.52 - 3.76
112
3.76 - 3.99
302
3.99 - 4.23
164
4.23 - 4.46
86
4.46 - 4.7
60
4.7 - 4.93
26