Black cutworms are now doing their damage. Rich Pope received a report of 5-25 percent cut plants in some Washington County fields. Jim Lafrenz, Pioneer sales agronomist, also reports a field with 16 percent cut plants in Scott County. Carroll Olsen, ISU Extension crop specialist, reports a field in Adams County with 85 percent cut plants, whereas Mark Carlton, ISU Extension crop specialist, reports a field in Marion County with a plant population reduced to 4,000 because of black cutworms.
Iowa State University
Rice, Marlin E., "Black and dingy cutworms found" (2001). Integrated Crop Management News. 1860.
The Iowa State University Digital Repository provides access to Integrated Crop Management News for historical purposes only. Users are hereby notified that the content may be inaccurate, out of date, incomplete and/or may not meet the needs and requirements of the user. Users should make their own assessment of the information and whether it is suitable for their intended purpose. For current information on integrated crop management from Iowa State University Extension and Outreach, please visit https://crops.extension.iastate.edu/.