Dry soil conditions across parts of Iowa, combined with large populations of adult alfalfa weevils, may delay the regrowth of second-cutting alfalfa. Kyle Jensen, extension field crops specialist at Lewis, reports that several acres of a 40-acre field near Beebeetown, Harrison County, southwestern Iowa, suffered damage from the weevils. The affected area hadn't been growing for about 10 days, and upon inspection, it was found to have adult weevils "barking" the green stems and chewing on the new buds.
Iowa State University
Rice, Marlin E., "Weevils can delay alfalfa regrowth" (2007). Integrated Crop Management News. 1061.
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 Users are hereby notified that the content may be inaccurate, out of date, incomplete and/or may not meet the needs and requirements of the user.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/.