Integrated Crop Management News

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Small black cutworm larvae have been reported feeding on leaf tissue in a handful of isolated fields in eastern Iowa. Damage at the field level has been well below economic thresholds and is consistent with the low levels of moths captured before peak flights occurred. However, with trap captures occurring over an extended period of time before peak flights and recent fluctuating temperatures, it is advisable to be scouting high risk areas, especially in the central, east central and southeast districts of the state. In Benton County, located in the east central district of the state, there was a peak flight recorded much earlier than the surrounding regions on April 6, so it is advisable to be checking fields around this area at the present time.

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Iowa State University



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