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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:
Stem Rust Seedling TPMKC (STEMRUSTSE_TPMKC)
Download list of accessions evaluated for this trait
Definition:
Stem rust seedling reaction TPMKC
Crop:
AEGILOPS
Category:
Disease descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
2
Comment:
[+, ++,-,=] indicate variation within an infection type (see data in 'original value' column)
Responsible Site:
National Small Grains Collection (
NSGC
)
Studies or environments
AEGILOPS.STEMRUST.CDL.18
396 Accessions
Distribution of Values for
Stem Rust Seedling TPMKC (STEMRUSTSE_TPMKC)
Code
Definition
Number of Accessions
;
MOSTLY IMMUNE, NO UREDINIA, BUT NUMEROUS HYPERSENSITIVE FLECKS PRESENT.
228
0
IMMUNE, NO UREDINIA OR OTHER INDICATIONS OF INFECTION.
1
0;
NEARLY IMMUNE, NO UREDINIA BUT A FEW HYPERSENSITIVE FLECKS PRESENT.
12
1
VERY RESISTANT, UREDINIA MINUTE, SURROUNDED BY DISTINCT NECROTIC AREAS.
8
2
MODERATELY RESISTANT, UREDINIA SMALL TO MEDIUM, USUALLY GREEN ISLANDS SURROUNDED BY A DECIDEDLY CHLOROTIC/NECROTIC BORDER.
147