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Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
30/11/2020 |
Data da última atualização: |
30/11/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
PASINI, R. A.; RAKES, M.; CASTILHOS, R. V.; ARMAS, F. S.; PAZINI, J. B.; ZANTEDESCHI, R.; GRÜTZMACHER, A. D. |
Título: |
Residual action of five insecticides on larvae and adults of the neotropical predators Chrysoperla externa (Neuroptera: Chrysopidae) and Eriopis connexa (Coleoptera: Coccinellidae). |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Ecotoxicology, Londres, p. 1-13, 2020. |
Idioma: |
Inglês |
Conteúdo: |
This work aimed to evaluate the residual action of five insecticides on larvae and adults of the predators Chrysoperla externa (Hagen) and Eriopis connexa (Germar). The insecticides gamma-cyhalothrin, imidacloprid+beta-cyfluthrin, methomyl, thiamethoxam, and thiamethoxam+lambda-cyhalothrin were sprayed in pod bean plants until the point of runoff. Weekly, at 3, 10, 17, 24, and 31 days, first instar larvae and adults of both predators were exposed to leaves containing dry residues of the insecticides. Based on the mortality observed throughout the bioassays, the insecticides were classified according to the scale of the residual effects proposed by the International Organization for Biological and Integrated Control (IOBC). Except for thiamethoxam+lambda-cyhalothrin, which was moderately persistent (class 3) to larvae of C. externa and E. connexa, all other tested insecticides were persistent (class 4) to larvae of both species. Gamma-cyhalothrin, imidacloprid + betacyfluthrin, and methomyl were persistent (class 4) to C. externa adults, while thiamethoxam was moderately persistent (class 3) and thiamethoxam + lambda-cyhalothrin was slightly persistent (class 2) to the adult stage. As for E. connexa adults, imidacloprid + beta-cyfluthrin and methomyl were persistent (class 4) and gamma-cyhalothrin, thiamethoxam, and thiamethoxam + lambda-cyhalothrin were moderately persistent (class 3). Thus, due to extended residual effect, these insecticides must be avoided when larvae and adults of both predators are active in the crop. MenosThis work aimed to evaluate the residual action of five insecticides on larvae and adults of the predators Chrysoperla externa (Hagen) and Eriopis connexa (Germar). The insecticides gamma-cyhalothrin, imidacloprid+beta-cyfluthrin, methomyl, thiamethoxam, and thiamethoxam+lambda-cyhalothrin were sprayed in pod bean plants until the point of runoff. Weekly, at 3, 10, 17, 24, and 31 days, first instar larvae and adults of both predators were exposed to leaves containing dry residues of the insecticides. Based on the mortality observed throughout the bioassays, the insecticides were classified according to the scale of the residual effects proposed by the International Organization for Biological and Integrated Control (IOBC). Except for thiamethoxam+lambda-cyhalothrin, which was moderately persistent (class 3) to larvae of C. externa and E. connexa, all other tested insecticides were persistent (class 4) to larvae of both species. Gamma-cyhalothrin, imidacloprid + betacyfluthrin, and methomyl were persistent (class 4) to C. externa adults, while thiamethoxam was moderately persistent (class 3) and thiamethoxam + lambda-cyhalothrin was slightly persistent (class 2) to the adult stage. As for E. connexa adults, imidacloprid + beta-cyfluthrin and methomyl were persistent (class 4) and gamma-cyhalothrin, thiamethoxam, and thiamethoxam + lambda-cyhalothrin were moderately persistent (class 3). Thus, due to extended residual effect, these insecticides must be avoided when larvae and ... Mostrar Tudo |
Palavras-Chave: |
Biological control; Chemical control; Coccinellid; Crisopid; Residual action. |
Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
LEADER 02352naa a2200253 a 4500 001 1130353 005 2020-11-30 008 2020 bl uuuu u00u1 u #d 100 1 $aPASINI, R. A. 245 $aResidual action of five insecticides on larvae and adults of the neotropical predators Chrysoperla externa (Neuroptera$bChrysopidae) and Eriopis connexa (Coleoptera: Coccinellidae).$h[electronic resource] 260 $c2020 520 $aThis work aimed to evaluate the residual action of five insecticides on larvae and adults of the predators Chrysoperla externa (Hagen) and Eriopis connexa (Germar). The insecticides gamma-cyhalothrin, imidacloprid+beta-cyfluthrin, methomyl, thiamethoxam, and thiamethoxam+lambda-cyhalothrin were sprayed in pod bean plants until the point of runoff. Weekly, at 3, 10, 17, 24, and 31 days, first instar larvae and adults of both predators were exposed to leaves containing dry residues of the insecticides. Based on the mortality observed throughout the bioassays, the insecticides were classified according to the scale of the residual effects proposed by the International Organization for Biological and Integrated Control (IOBC). Except for thiamethoxam+lambda-cyhalothrin, which was moderately persistent (class 3) to larvae of C. externa and E. connexa, all other tested insecticides were persistent (class 4) to larvae of both species. Gamma-cyhalothrin, imidacloprid + betacyfluthrin, and methomyl were persistent (class 4) to C. externa adults, while thiamethoxam was moderately persistent (class 3) and thiamethoxam + lambda-cyhalothrin was slightly persistent (class 2) to the adult stage. As for E. connexa adults, imidacloprid + beta-cyfluthrin and methomyl were persistent (class 4) and gamma-cyhalothrin, thiamethoxam, and thiamethoxam + lambda-cyhalothrin were moderately persistent (class 3). Thus, due to extended residual effect, these insecticides must be avoided when larvae and adults of both predators are active in the crop. 653 $aBiological control 653 $aChemical control 653 $aCoccinellid 653 $aCrisopid 653 $aResidual action 700 1 $aRAKES, M. 700 1 $aCASTILHOS, R. V. 700 1 $aARMAS, F. S. 700 1 $aPAZINI, J. B. 700 1 $aZANTEDESCHI, R. 700 1 $aGRÜTZMACHER, A. D. 773 $tEcotoxicology, Londres, p. 1-13, 2020.
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Epagri-Sede (Epagri-Sede) |
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Registro Completo
Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
22/08/2005 |
Data da última atualização: |
22/08/2005 |
Autoria: |
BALBINOT JUNIOR, A. A.; ALVES, A. C.; FONSECA, J. A. da; OGLIARI, J. B. |
Afiliação: |
Epagri |
Título: |
Densidade de plantas em variedades de polinizacao aberta de milho sob cultivo agroecologico. |
Ano de publicação: |
2005 |
Fonte/Imprenta: |
In: REUNIAO TECNICA CATARINENSE DE MILHO E FEIJAO, 5., 2005, Chapeco-SC. Resumos expandidos. Chapeco: Epagri / Cepaf, 2005. |
Páginas: |
p. 82-86. |
Idioma: |
Português |
Palavras-Chave: |
Densidade de planta; Milho; Polinizaco aberta; Variedade. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00669naa a2200205 a 4500 001 1038706 005 2005-08-22 008 2005 bl uuuu u00u1 u #d 100 1 $aBALBINOT JUNIOR, A. A. 245 $aDensidade de plantas em variedades de polinizacao aberta de milho sob cultivo agroecologico. 260 $c2005 300 $ap. 82-86. 653 $aDensidade de planta 653 $aMilho 653 $aPolinizaco aberta 653 $aVariedade 700 1 $aALVES, A. C. 700 1 $aFONSECA, J. A. da 700 1 $aOGLIARI, J. B. 773 $tIn: REUNIAO TECNICA CATARINENSE DE MILHO E FEIJAO, 5., 2005, Chapeco-SC. Resumos expandidos. Chapeco: Epagri / Cepaf, 2005.
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