Root digs can help ID rootworm troubles
Last year, we observed several corn fields following soybeans where rootworm feeding was evident and scouting revealed an abundance of corn rootworm beetles present. Could we be witnessing an increase of extended diapause with northern corn rootworm?
One of the best ways to explore this possibility is through root digs.
Begin by carefully digging a 10-inch root ball around a corn...
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