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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:
CER-DAV2 (CERDAV2)
Download list of accessions evaluated for this trait
Definition:
MOST DAMAGE FROM CERCOSPORA DAVISII, ELL. ET. EV.
Crop:
SWEET-CLOVER
Category:
Disease descriptors
Status:
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Comment:
Data in this CER-DAV2 (CERDAV2) format should be retained in GRIN until better data is available in the SUMMER BLACK STEM (STEM_SUM_B) Crop Germplasm Committee approved format.
Responsible Site:
North Central Regional Plant Introduction Station (
NC7
)
Studies or environments
NC7.MELILOTUS
118 Accessions
Distribution of Values for
CER-DAV2 (CERDAV2)
Code
Definition
Number of Accessions
0
NO DAMAGE OBSERVED
44
1
VERY SLIGHT INFECTION, NO DAMAGE
4
2
SLIGHT INFECTION, VERY LITTLE DAMAGE
23
3
MEDIUM INFECTION AND DAMAGE
27
4
SEVERELY DISEASED, CONSIDERABLE DAMAGE
14
5
VERY SEVERELY DISEASED, SEVERE DAMAGE
6