Descriptor: Disease-Aster Yellows (DISEASEAY)



 
Definition:
Resistance to aster yellows phytoplasma; proportion of asymptomatic plants when grown under field conditions
Crop:
RUDBECKIA
Category:
Disease descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
Responsible Site:
Ornamental Plant Germplasm Center (OPGC)

Distribution of Values for Disease-Aster Yellows (DISEASEAY)

CodeDefinitionNumber of Accessions
11=Immune (0 = Immune, 5 = Highly Susceptible)99
33=Intermediate (0 = Immune, 5 = Highly Susceptible)1