We’ve received several calls this year about reduced herbicide efficacy, specifically with glyphosate and glyphosate mixtures when sprayed either during cool temperatures or just after a cold spell.
Bill Johnson
Every year we get several cases of herbicide drift from burndown applications on homeowner trees, shrubs, flowers, and vegetables.
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There has been increasingly growing interest in utilizing cover crops in our corn and soybean production systems over the last several years.
Crop planting has progressed at an amazing pace over the last week. Many of these acres will also receive soil applied, residual herbicides for control of germinating weed seedlings. Soil applied pre-emergent herbicides require moisture for activation.
Every spring we receive several calls and e-mails about a certain 3-foot tall weed with yellow flowers. Cressleaf groundsel will once again be in full bloom across the entire state of Indiana in many no-till fields and pastures.
With a promising extended forecast, we may finally get a lot of field work done around the state. With planting and spray season upon us, we decided it was a good time to test some of the weather prediction tools that have been advertised throughout the winter.
Pest&Crop newsletter -
Department of Entomology
Purdue University
901 W. State St.
West Lafayette, IN 47907
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