Integrated Crop Management News

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This year in soybean it is always something. Now, false chinch bugs. Dave Bowlin (Heartland Cooperative, Indianola) found a soybean field in which false chinch bugs were killing seedling soybean plants. The field was no-till with a serious shepardspurse infestation. When these weeds were killed with a herbicide, false chinch bugs moved onto the soybean. The chinch bugs did not feed on the cotyledons, or at least they did not initially kill them, but they did kill the trifoliate leaves, including the newly developing leaves. There were probably 200 or 300 nymphs per square foot in the weedy areas of this field.

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Iowa State University



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