University of Minnesota and NDSU Extension potato agronomist Andy Robinson is getting reports of heat crinkle in potatoes. The plant is shocked withen sprouts come out of the cool, moist soil and it the hot topsoil. Robinson says plants typically grow out of the heat shock. “Sometimes people think it could be herbicide injury, but it’s really heat injury causing the plants to look ugly. It’s variety specific. For example, Russet Burbank is very sensitive to heat.”
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