$14/acre control costs, $3.50/bushel corn, 3.7 bushel loss/larva/plant at dent stage, 100% kill with insecticide ET = 33 eggs per plant Which

$14/acre control costs, $3.50/bushel corn, 3.7 bushel loss/larva/plant at dent stage, 100% kill with insecticide ET = 33 eggs per plant Which threshold is best? Timing an application can be critical Larvae may feed on pretassel or pollen before moving to silks Larvae in silks can be difficult to control Univ. Management of borers and ear feeders: What are the options?

 
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