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: Garden Webworm
Pyrethroid insecticide. Toxic to fish and aquatic organisms. Signal word on label: WARNING. Causes substantial but temporary eye injury. Do not get into eyes or on clothing. Extremely hazardous to fish and aquatic invertebrates - do not apply directly over water. Drift and runoff from treated areas may be hazardous to aquatic organisms. Beta-cyfluthrin is highly toxic to bees. Do not apply this product or allow it to drift to blooming crops or weeds on which bees are actively foraging. Minimum application is 2 gallons of water for aerial application and 10 gallons by ground. Chemigation applications are allowed by label. REI is 12 hours. PHI is 21 days. However, green forage may be fed 0 days after last application.