Tag: herbicide
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Question of the Week – Synthetic Auxin Herbicide
What caused this foliar deformation on sweetpotatoes? This deformation was caused by the drift or volatilization of a synthetic auxin herbicide (including 2,4-D, dicamba, clopyralid, aminopyralid, triclopyr, etc.), though the exact culprit was not known. The damage was pretty evenly distributed across the field, suggesting volatilization from a nearby field is the more likely cause.…
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Question of the Week – Pigweed
This week, the question was: What is this weed coming up in a field that was disked recently? This is a pigweed seedling, specifically Palmer amaranth (Amaranthus palmeri). Pigweeds are some of the most aggressive weeds that farmers battle. They are able to germinate and grow quickly in poor field conditions, outcompeting crops for water,…
