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Registro Completo |
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Biblioteca(s): |
Embrapa Agroindústria Tropical. |
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Data corrente: |
10/01/2024 |
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Data da última atualização: |
22/01/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SARAIVA, W. V. A.; MONTEIRO, N. V.; DIAS, N. da S.; VASCONCELOS, J. F.; ALVES FILHO, E. de G.; MELO, J. W. da S.; MACEDO, V. H. M.; MACIEL, G. P. de S.; SOUSA NETO, E. P. de. |
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Afiliação: |
WENNER VINÍCIUS ARAÚJO SARAIVA, UNIVERSIDADE FEDERAL DO CEARÁ; NEVILLE VIEIRA MONTEIRO, UNIVERSIDADE FEDERAL DO CEARÁ; NIVIA DA SILVA DIAS PINI, CNPAT; JÉSSICA FONTES VASCONCELOS, UNIVERSIDADE FEDERAL DO CEARÁ; ELENILSON DE GODOY ALVES FILHO; JOSÉ WAGNER DA SILVA MELO, UNIVERSIDADE FEDERAL DO CEARÁ; VITOR HUGO MAUÉS MACEDO, UNIVERSIDADE FEDERAL RURAL DA AMAZÔNIA; GABRIELA PRISCILA DE SOUSA MACIEL, UNIVERSIDADE FEDERAL DO CEARÁ; EDUARDO PEREIRA DE SOUSA NETO, UNIVERSIDADE FEDERAL DO CEARÁ. |
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Título: |
Chrysoperla externa (Hagen) (Neuroptera, Chrysopidae) is a good candidate for predation of Aleurodicus cocois (Curtis) (Hemiptera: Aleyrodidae) in cashew crop. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Arthropod-Plant Interactions, v. 17, n. 1, p. 99–110. Feb. 2023. |
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DOI: |
https://doi.org/10.1007/s11829-022-09937-6 |
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Idioma: |
Inglês |
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Conteúdo: |
A potential alternative to the use of chemicals for controlling phytophagous arthropods in agricultural environments is the use of biological control agents of natural occurrence. This study evaluated the functional response of first-instar larvae of Chrysoperla externa-fed eggs and nymphs of Aleurodicus cocois, as well as the olfactory response of the third-instar larvae of this predator to the volatiles of two genotypes (CCP 76 and PRO 143/7) of dwarf cashew induced by the herbivory of A. cocois. The volatile compounds emitted by the leaves of the two cashew genotypes, infested and non-infested by A. cocois, were analyzed by solid-phase microextraction coupled to GC–MS. Logistic regression indicated that first-instar larvae of C. externa exhibited a type II response when fed eggs and nymphs of A. cocois. The value of the attack rate (a') did not differ between prey, but the handling time (Th) was longer when the predator fed on nymphs. In the behavioral tests third-instar larvae of C. externa were able to distinguish and select the volatile signals emitted after the infestation of A. cocois, regardless of the cashew genotype evaluated. According to the volatile profiles of cashew genotypes infested by A. cocois, the compounds β-caryophyllene, allo-ocimene, neo-allo-ocimene, α-copaene, γ-muurolene, and δ-cadinene were released in large amounts by genotypes CCP 76 and PRO 143/7. Therefore, these compounds may be involved in the attractiveness of the predator. The results indicate that C. externa may be an effective biocontrol agent of A. cocois in cashew crop. MenosA potential alternative to the use of chemicals for controlling phytophagous arthropods in agricultural environments is the use of biological control agents of natural occurrence. This study evaluated the functional response of first-instar larvae of Chrysoperla externa-fed eggs and nymphs of Aleurodicus cocois, as well as the olfactory response of the third-instar larvae of this predator to the volatiles of two genotypes (CCP 76 and PRO 143/7) of dwarf cashew induced by the herbivory of A. cocois. The volatile compounds emitted by the leaves of the two cashew genotypes, infested and non-infested by A. cocois, were analyzed by solid-phase microextraction coupled to GC–MS. Logistic regression indicated that first-instar larvae of C. externa exhibited a type II response when fed eggs and nymphs of A. cocois. The value of the attack rate (a') did not differ between prey, but the handling time (Th) was longer when the predator fed on nymphs. In the behavioral tests third-instar larvae of C. externa were able to distinguish and select the volatile signals emitted after the infestation of A. cocois, regardless of the cashew genotype evaluated. According to the volatile profiles of cashew genotypes infested by A. cocois, the compounds β-caryophyllene, allo-ocimene, neo-allo-ocimene, α-copaene, γ-muurolene, and δ-cadinene were released in large amounts by genotypes CCP 76 and PRO 143/7. Therefore, these compounds may be involved in the attractiveness of the predator. The results ind... Mostrar Tudo |
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Palavras-Chave: |
Coconut whitefly; Functional response; Resposta funcional. |
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Thesagro: |
Aleurodicus Cocois; Anacardium Occidentale; Caju; Controle Biológico; Cromatografia Gasosa; Espectrometria; Hemíptera; Mosca Branca; Neuroptera; Praga. |
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Thesaurus Nal: |
Gas chromatography-mass spectrometry; Olfactometry; Volatile compounds. |
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Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
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Registro original: |
Embrapa Agroindústria Tropical (CNPAT) |
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