All posts by Larry Steckel, Extension Weed Specialist

Roundup Ready Soybean Response to Dicamba Exposure

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The most recent inquires have been on what is the likely yield loss from dicamba drift to non-Xtend soybeans? These have come from fields that showed dicamba drift injury to the soybeans this summer and now are staying green delaying harvest this fall.

These questions have been frequent the last few years.  Research funded by the United Soybean Board was conducted in the Mid-south and Midwest this summer to help answer the question. Continue reading


Monitor for Grass Control Failures from the Combine or Picker

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Awned Barnyardgrass Left and Awnless Jungle Rice Right

In a good part of West Tennessee most soybean and cotton fields have at least some goosegrass and jungle rice (awnless barnyardgrass) present.  In southwest Tennessee a good many cotton fields and particularly soybean fields have serious infestations of both of these grass species.  Continue reading