Alfalfa weevil pressure rising as MSU questions insecticide timing and resistance

A field crops entomologist says increased alfalfa weevil pressure this season could be a result of control failures. Chris DiFonzo with Michigan State University tells Brownfield, “It was cold enough that the weather model said that egg hatch was just starting on weevils.” “If you sprayed a couple weeks ago and you’re seeing weevils now, […]

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