
For information on scouting and treatment see Stalk Borer Scouting and Management in Corn in the June 10, 2016 CropWatch.
Degree day accumulation from Jan. 1 | Event (Egg and Larva Development) |
---|---|
575 | Egg hatch begins |
750 | Egg hatch complete |
1,400 | 10% of larvae move out of grasses |
1,700 | 50% of larvae move out of grasses |
Degree day accumulation from Jan. 1 | Event (Pest Control) |
1,300-1,400 | Begin scouting grassy field borders and corn |
1,400-1,700 | Make insecticide treatment decision in corn |