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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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Descriptor:
RUST (RUST)
Download list of accessions evaluated for this trait
Definition:
RATING OF DAMAGE CAUSED BY RUST
Crop:
PEAR
Category:
Disease descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Responsible Site:
National Clonal Germplasm Repository (
COR
)
Studies or environments
PYRUS.CORVALLIS.1986
189 Accessions
PYRUS.CORVALLIS.1987
524 Accessions
Distribution of Values for
RUST (RUST)
Code
Definition
Number of Accessions
1
NO DAMAGE
642
2
(1 = NO DAMAGE, 9 = SEVERE DAMAGE)
1
3
(1 = NO DAMAGE, 9 = SEVERE DAMAGE)
49
4
(1 = NO DAMAGE, 9 = SEVERE DAMAGE)
1