Descriptor: Stem Rust Seedling QFCSC (STEMRUSTSE_QFCSC)



 
Definition:
Stem rust seedling reaction QFCSC
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

Distribution of Values for Stem Rust Seedling QFCSC (STEMRUSTSE_QFCSC)

CodeDefinitionNumber of Accessions
;MOSTLY IMMUNE, NO UREDINIA, BUT NUMEROUS HYPERSENSITIVE FLECKS PRESENT.223
0IMMUNE, NO UREDINIA OR OTHER INDICATIONS OF INFECTION.1
0;NEARLY IMMUNE, NO UREDINIA BUT A FEW HYPERSENSITIVE FLECKS PRESENT.37
1VERY RESISTANT, UREDINIA MINUTE, SURROUNDED BY DISTINCT NECROTIC AREAS.28
2MODERATELY RESISTANT, UREDINIA SMALL TO MEDIUM, USUALLY GREEN ISLANDS SURROUNDED BY A DECIDEDLY CHLORITIC/NECROTIC BORDER.106
3MODERATELY SUSCEPTIBLE, UREDINIA MEDIUM SIZE COALESCENCE INFREQUENT, NO NECROSIS, BUT CHLOROTIC AREAS MAY BE PRESENT.7