Chemical selector
The Pesticide Selector includes suggestions for chemical control of pests in Kansas crops, which are provided by K-State Research and Extension, and may not be relevant for states other than Kansas. We will continue to expand this tool for help in selecting other types of agricultural chemicals, and for other states. Contact the myFields Team if you are interested in contributing content!
The herbicide performance ratings are taken from: C.R. Thompson, D.E. Peterson, W.H. Fink, P.W. Stahlman, and J.W. Slocombe. 2020. Chemical Weed Control for Field Crops, Pastures, Rangeland, and Noncropland, Kansas State University, January 2016. Contribution no. 16-029-S from the Kansas Agricultural Experiment Station. Find it online at the bookstore.
The insecticide recommendations are taken from: B.P. McCornack, S. Zukoff, R.J. Whitworth, J.P. Michaud, and H.N. Schwarting. 2019. Insect Management Guides. March 2018. Kansas State University Agricultural Experiment Station and Cooperative Extension Service. PDF formats are available here.
Click here for a How-to Tutorial.
Crop type: Corn
Arthropod: European Corn Borer, European Corn borer
Spinosad, a mixture of spinosyn A and spinosyn D, is a fermentation-derived insect control agent. REI of 4 hours. Highly toxic to bees exposed to direct treatment on blooming crops or other vegetation. Avoid use when bees are foraging. Do not apply where surface water is present. Signal word on label: CAUTION. Apply in a minimum of 5 gallons of water per acre (ground application) or 2 to 5 gallons of water per acre (aerial application). See label for chemigation rules. Do not deliver through chemigation equipment at more than 0.25 inches of water per acre. Do not apply more than 6 fl. oz of Blackhawk (0.188 lb. spinosad) per acre per year. Do not apply within 28 days of grain or fodder harvest or within 7 days of forage harvest.