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Antixenosis to Chrysodeixis includens (Lepidoptera: Noctuidae) among soybean genotypes Bragantia
Schlick-Souza,Eunice Cláudia; Baldin,Edson Luiz Lopes; Morando,Rafaela; Lourenção,André Luiz.
ABSTRACT The soybean looper Chrysodeixis includens is one of the main defoliating pests of soybean cultures in Brazil. This work aimed to evaluate the effect of offering different soybean genotypes to this insect to verify the occurrence of antixenosis. In a greenhouse, assays were carried out to determine the attractiveness of C. includens adults given free-choice tests. This experiment used a randomized block design with five replicates. A second experiment assessed oviposition preference using no-choice tests, employing a completely randomized design with five replicates. Seventeen soybean cultivars were used; several of these had previously been reported as carriers of resistance to more than one species of insect. In the laboratory, a morphological...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max; Soybean looper; Host plant resistance to insects; Non-preference.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052018000100124
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