In-furrow insecticides in corn and soybean?
What about in soybean? Using an in-furrow spray in narrow row beans isn’t a viable option, which eliminates the vast majority of soybean acres in Tennessee. Despite the marketing push, I am aware of very little independent data showing value to an in-furrow bifenthrin application in soybean. This doesn’t mean there isn’t any. However, soil insect pests and cutworms are a less consistent problem in soybean than in corn, partly because beans can tolerate and compensate for stand loss better than corn. Seed treatments such as Cruiser, Gaucho and NipsIt provide good control of most soil insects and systemic benefits against above ground pests. My gut instinct is that an in-furrow insecticide spray in soybean would have little value except in unusual circumstances, and insecticide seed treatments are a better and easier investment.
Note: Capture LFR is the only bifenthrin product labeled for use in soybean. We will be collecting data for corn and soybean this year, but it will take some time to draw hard conclusions on what value in-furrow sprays might bring to the table.
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