Straight Head
Reaction to Straighthead, a physiological disease resulting in malformed panicles.
Legend:
NO SYMPTOMS
LESS THAN 1% MALFORMED PANICLES
5% MALFORMED PANICLES
10% MALFORMED PANICLES
30% MALFORMED PANICLES
50% MALFORMED PANICLES
70% MALFORMED PANICLES
100% MALFORMED PANICLES
SEVERE DAMAGE WITH PLANTS NOT HEADING