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Good morning, Maya
Week 29 · Jul 13–19 · Rootworm beetle flight is peaking across Story and Boone counties.
warningNeed action
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landscapeFields scouted
17 / 24
7 fields due before Tue spray window
Action threshold exceeded
Western corn rootworm beetles in 2 fields
Silking is under way. Adult counts above 0.75 beetles/plant risk silk clipping during pollination — treat within 3–5 days.
Hartley · North 141.4 beetles/plant
Brandt · Creek 30.9 beetles/plant
Growing degree days
Ames station · base 50 °F
1,482since planting · Apr 28
airSpray window: Tue 6 am – Wed 2 pm, wind < 8 mph
Recent observations
agriculture
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