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Evaluation Of Chrysodeixis Includens Nucleopolyhedrovirus (Chinnpv) Formulations For Soybean Looper (Chrysodeixis Includens) Control In Soybean, Caleb Robert Rice

Graduate Theses and Dissertations

Chrysodeixis includens Nucleopolyhedrovirus (ChinNPV) specifically Chrysogen, has been commercially available in South America since 2016 but is not current available in the U.S. Chrysogen targets soybean looper (Chrysodeixis includens) (SBL), the major defoliator of soybean (Glycine max (L.) Merrill) in the mid-southern region of the U.S. Experiments were conducted during the 2020 and 2021 growing seasons to evaluate effectiveness of three formulations of Chrysogen at multiple rates for control of SBL. Soybean looper larvae used for following experiments were kept in an insect incubator at the University of Arkansas Lonoke Research and Extension Center. The first objective was to evaluate …