Spider mite damage can reduce corn silage yields about 17 percent and grain yield production by 23 percent or more when not controlled. According to Dr. Ed Bynum, AgriLife Extension entomologist in Amarillo, there’s a list of do’s and don’ts when it comes to spider mite treatment on corn. The list of do’s and don’ts includes:
- Don’t let the corn stress from moisture or heat, especially moisture because it adds to the heat stress.
- Don’t over fertilize.
- Scout fields at least once a week to know if mite and predator populations are increasing, decreasing or staying static.
- Spray before mite populations get out of control.
- Improve the application coverage by getting it down into the canopy.
- Spray early in the morning to keep it from evaporating.
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