Efficacy of bioactive compounds and their association with different cowpea cultivars against their major stored pest.

Stored grain insects are controlled with fumigant insecticides which can select resistant insect populations and cause environmental and applicator contamination. Thus, resistant cultivars and chemical constituents of essential oils are an alternative to the almost exclusive use of these insecticides. The effects of the combination of cowpea cultivars Vigna unguiculata (L.) Walp. with chemical constituents of essential oils against Callosobruchus maculatus were determined. Four cowpea cultivars: BRS Tracuateua, BR 17 Gurgueia, Epace 10 and Sempre Verde (insect rearing) untreated were used in the experiments and combined with chemical constituents of essential oil: eugenol, geraniol and trans‐anethole. The biological parameters observed were: total egg number and eggs per grain, egg viability (%), insects emerged and insects per grain, immature stage viability (%), instantaneous rate of growth (ri), insect dry weight (mg), grain weight loss (%) and egg‐adult period.

Bibliographic Details

Main Authors:	BARBOSA, D. R. E. S., OLIVEIRA, J. V. de, SILVA, P. H. S. da, BREDA, M. O., DUTRA, K. de A., LOPES, F. S. C., ARAÚJO, A. M. N. de
Other Authors:	Douglas R E S Barbosa, Federal Institute of Education Science and Technology of Maranhão, Campus Codó, Codó, MA.; José V de Oliveira, Federal Institute of Education Science and Technology of Maranhão, Campus Codó, Codó, MA.; PAULO HENRIQUE SOARES DA SILVA, CPAMN; Mariana O Breda, Federal Rural University of Pernambuco, Recife, PE.; Kamilla de Andrade Dutra, Federal Rural University of Pernambuco, Recife, PE.; Fabiana SC Lopes, Federal Rural University of Pernambuco, Recife, PE.; Alice MN de Araújo, Federal Rural University of Pernambuco, Recife, PE.
Format:	Artigo de periódico biblioteca
Language:	Ingles English
Published:	2020-07-17
Subjects:	Gorgulho, Resistência Genética, Inseticida de Origem Vegetal, Vigna Unguiculata, Plant pests, Genetic resistance, Insecticide resistance, Botanical insecticides,
Online Access:	http://www.alice.cnptia.embrapa.br/alice/handle/doc/1123906
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