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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:
LEAF RUST (LEAFRUST)
Download list of accessions evaluated for this trait
Definition:
LEAF RUST CAUSED BY PUCCINIASTRUM AMERICANUM (0 = NO UREDIA OBSERVED ON LEAVES, 5 = SEVERE DAMAGE, UREDIA COVER NEARLY 100% OF LEAF AREA DEFOLIATING THE PLANT)
Crop:
RUBUS
Category:
Disease descriptors
Status:
Data Type:
Numeric descriptor
Maximum Length:
5
Responsible Site:
National Clonal Germplasm Repository (
COR
)
Studies or environments
RUBUS.CALIFORNIA.1990
15 Accessions
Distribution of Values for
LEAF RUST (LEAFRUST)
Range
Number of Accessions
0.25 - 0.63
5
0.63 - 1
0
1 - 1.38
0
1.38 - 1.75
1
1.75 - 2.13
4
2.13 - 2.5
0
2.5 - 2.88
0
2.88 - 3.25
3
3.25 - 3.63
1
3.63 - 4
1