The importance of Spodoptera cosmioides (Lepidoptera: Noctuidae) in soybean crops has been growing, mainly with the cultivation of transgenic Bt plants. The objective of this study was to evaluate antixenosis to S. cosmioides in soybean plants with different leaf colors and trichome densities. Antioxenosis was evaluated by non-preference for feeding and oviposition assays. The study was performed in no-choice and free-choice tests using the genotypes

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