Descriptor: Russian Wheat Aphid Leafroll (RWALEAFROL)



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


Studies or environments

Distribution of Values for Russian Wheat Aphid Leafroll (RWALEAFROL)

CodeDefinitionNumber of Accessions
FLEAVES ARE FLAT, NO APPARENT ROLLING67
MIXMIXED FOR DEGREE OF LEAFROLLING4
RLEAVES TIGHTLY ROLLED1069
VLEAVES LOOSELY ROLLED17