Question 4
When did the herbicide injury appear?
After crop emergence
The initial crop stand was uniform and the plants were vigorous.
What are the symptoms?
Is the herbicide specific to broadleaf or grass plants?
Broadleaves are more sensitive than grasses.
What do the individual leaves look like?
Grass leaves tightly roll, also known as onion leafing. Broadleaves exhibit leaf cupping and strapping. The stems of both grasses and broadleaves exhibit may twist, also known as epinasty.– Growth Regulators



Grass meristems rot and are easily pulled from the whorl, broadleaves are not affected.– ACCase Inhibitors

