Descriptor: Russian Wheat Aphid Leafroll (RWALEAFROL)



 
Definition:
Reaction to the Russian Wheat Aphid (Diuraphis noxia). Leafrolling symptoms. See RWA Chlorosis descriptor, also.
Crop:
BARLEY
Category:
Insect descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
3
Responsible Site:
National Small Grains Collection (NSGC)

Distribution of Values for Russian Wheat Aphid Leafroll (RWALEAFROL)

CodeDefinitionNumber of Accessions
FLEAVES ARE FLAT, NO APPARENT ROLLING132
RLEAVES ROLLED, LOOSELY TO TIGHTLY25896