NDSU Extension - Williams County

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Grasshoppers Pose Threat to Winter Wheat - Galls on Trees are Common

Since a recent news column of mine about grasshoppers, several people have described extremely high populations of grasshoppers. It appears we have numerous locations of very high grasshopper populations which have the potential of threatening winter wheat and also be the source of an expanded threat to crops seeded next spring...Each year I can count on receiving numerous questions about abnormal growths located on the leaves and sometimes twigs of trees. In the forest industry and academia these growths are referred to as galls.
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