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Insect management strategies using insect growth regulators in Mississippi soybean

Soybean looper and corn earworm are economically damaging pests in Mississippi soybeans. Chemical control plays a large role in the control of these pests. Some producers have started applying an automatic co-application of insecticide and fungicide at the R3 growth stage. Insect growth regulators are a commonly used insecticide for this management strategy. The purpose of this research was to evaluate the impact of insect growth regulators on soybean looper and corn earworm mortality when applied with an automatic fungicide application at the R3 growth stage in soybean. Insecticide treatments included methoxyfenozide, diflubenzuron, and novaluron. These insect growth regulators showed very little control and mortality, especially when compared to chlorantraniliprole, which has become an industry standard for control of lepidopteran pest control of in soybean. The automatic application of an insect growth regulator insecticide with a fungicide at the R3 growth was not viable for economic insect management strategies.

Identiferoai:union.ndltd.org:MSSTATE/oai:scholarsjunction.msstate.edu:td-7130
Date10 May 2024
CreatorsHopkins, Sawyer Clayton
PublisherScholars Junction
Source SetsMississippi State University
Detected LanguageEnglish
Typetext
Formatapplication/pdf
SourceTheses and Dissertations

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