Green Acres


September 16, 2020

The following information was prepared by Kevin Wanner (MSU Extension Entomologist). Emerging winter wheat can be particularly vulnerable to damage by grasshoppers. The larger adult stage grasshoppers are more difficult to control and can move into emerging winter wheat fields from surrounding grassy areas. Treatment thresholds for emerging winter wheat are lower, 3-7 per square yard within the field, or 11-20 per square yard around the margin probably requires treatment. Border treatments applied as insecticidal sprays or seed treatments are the main recommendation for protecting emerging...

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