Insects and Disease Update

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2010-01-01
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Roush, Wayne
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Licht, Mark
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Abstract

Black cutworms are an occasional pest of seedling corn that can cause major damage. A pheromone trap was placed at the research farm in 2009. The peak flight of six moths occurred on May 6 (Figure 1). The moth flights are used to anticipate when cutting from black cutworms would begin and therefore predict when scouting should begin. Based on this monitoring data and data from other locations in west central Iowa, the scouting date was May 24. This scouting date is four days later than 2008.

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Fri Jan 01 00:00:00 UTC 2010
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