Descriptor: Straight Head (STRAIGHTHD)



 
Definition:
Reaction to Straighthead, a physiological disease resulting in malformed panicles.
Crop:
RICE
Category:
Disease descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Responsible Site:
National Small Grains Collection (NSGC)

Distribution of Values for Straight Head (STRAIGHTHD)

CodeDefinitionNumber of Accessions
1NO SYMPTOMS8
2LESS THAN 1% MALFORMED PANICLES27
35% MALFORMED PANICLES70
410% MALFORMED PANICLES251
530% MALFORMED PANICLES751
650% MALFORMED PANICLES1164
770% MALFORMED PANICLES1654
8100% MALFORMED PANICLES1378
9SEVERE DAMAGE WITH PLANTS NOT HEADING326