Models Predict Potential for Alfalfa Weevil Feeding
April 27, 2007

Recent rainfall may help spread a fungal disease that's detrimental to weevils, however, this can vary from area to area and it's hard to know the overall effect.
Figure 1 represents growing degree accumulations which can be used to predict alfalfa weevil feeding. Feeding usually begins when 300 gdd have accumulated.
Keith Jarvi, Integrated Pest Management, Northeast REC
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