Considerations for Herbicide Selection

Mark VanGessel, Extension Weed Specialist;

All herbicide labels state maximum allowable rates and rotational restrictions. These restrictions are in place for various reasons including potential for injury to rotational crops, the potential for rotational crop to pick up herbicide residue, and/or environmental issues. All of these restrictions have equal weight and need to be observed. In the past few years, there has been much more scrutiny of pesticide records, not only what the current crop was treated with, but also the previous crops. Vegetable growers have had to significantly alter their plans because of the previous year’s herbicide use. When someone asks about rotation, it is not adequate to simply think about crop injury.  You also need to consider issues such residues and environmental issues and this information is on the herbicide label. Read and follow the label.

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