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| 2. |  | SANTOS, J. P. dos; GUEDES, R. N. C.; LORINI, I. Armazenamento, secagem e aeração. In: CRUZ, J. C.; MAGALHAES, P. C.; PEREIRA FILHO, I. A.; MOREIRA, J. A. A. (Ed.). Milho: o produtor pergunta, a Embrapa responde. Brasília, DF: Embrapa Informação Tecnológica; Sete Lagoas: Embrapa Milho e Sorgo, 2011. p. 227-237. (Coleção 500 perguntas, 500 respostas).| Biblioteca(s): Embrapa Soja. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
14/09/2012 |
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Data da última atualização: |
19/05/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
PIMENTEL, M. A. G.; FARONI, L. R. A.; CORREA, A. E.; GUEDES, R. N. C. |
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Afiliação: |
MARCO AURELIO GUERRA PIMENTEL, CNPMS; LEDA RITA A. FARONI, UFV; ALBERTO S. CORREA, UFV; RAUL NARCISO C. GUEDES, UFV. |
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Título: |
Phosphine-induced walking response of the lesser grain borer (Rhyzopertha dominica). |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Pest Management Science, Sussex, v. 68, p. 1368-1373, 2012. |
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DOI: |
DOI 10.1002/ps.3314 |
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Idioma: |
Inglês |
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Conteúdo: |
BACKGROUND: In spite of the intensive worldwide use of phosphine against stored-product insects, its potential sublethal effects on targeted insect species is seldom recognised and may compromise the efficacy of this fumigant, particularly against phosphine-resistant insects. Therefore, the behavioural response of three populations of the lesser grain borer Rhyzopertha dominica (Coleoptera: Bostrichidae) to sublethal phosphine exposure was assessed. RESULTS: Concentration-mortality bioassays with phosphine confirmed the resistance status of the insect populations studied, with levels of phosphine resistance of 40.8-fold and 85.7-fold compared with the susceptible population. Regarding walking behaviour, determined using a digital video-tracking system, the phosphine-resistant populations were less active than the susceptible population. In addition, sublethal phosphine exposure decreased the walking activity of all three populations. CONCLUSION: Phosphine exposure decreased walking ativity. Such reduced walking activity is likely to lower the respiration rate, thereby minimising phosphine uptake. As higher phosphine resistance was also associated with reduced walking activity, phosphine-resistant populations may resist phosphine fumigation even more efficiently on account of this behavioural trait, further aiding their physiological resistance, and should be a matter of concern. |
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Thesagro: |
Armazenamento; Fosfina; Fumigação; Grão; Inseto. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02060naa a2200229 a 4500
001 1933692
005 2017-05-19
008 2012 bl uuuu u00u1 u #d
024 7 $aDOI 10.1002/ps.3314$2DOI
100 1 $aPIMENTEL, M. A. G.
245 $aPhosphine-induced walking response of the lesser grain borer (Rhyzopertha dominica).$h[electronic resource]
260 $c2012
520 $aBACKGROUND: In spite of the intensive worldwide use of phosphine against stored-product insects, its potential sublethal effects on targeted insect species is seldom recognised and may compromise the efficacy of this fumigant, particularly against phosphine-resistant insects. Therefore, the behavioural response of three populations of the lesser grain borer Rhyzopertha dominica (Coleoptera: Bostrichidae) to sublethal phosphine exposure was assessed. RESULTS: Concentration-mortality bioassays with phosphine confirmed the resistance status of the insect populations studied, with levels of phosphine resistance of 40.8-fold and 85.7-fold compared with the susceptible population. Regarding walking behaviour, determined using a digital video-tracking system, the phosphine-resistant populations were less active than the susceptible population. In addition, sublethal phosphine exposure decreased the walking activity of all three populations. CONCLUSION: Phosphine exposure decreased walking ativity. Such reduced walking activity is likely to lower the respiration rate, thereby minimising phosphine uptake. As higher phosphine resistance was also associated with reduced walking activity, phosphine-resistant populations may resist phosphine fumigation even more efficiently on account of this behavioural trait, further aiding their physiological resistance, and should be a matter of concern.
650 $aArmazenamento
650 $aFosfina
650 $aFumigação
650 $aGrão
650 $aInseto
700 1 $aFARONI, L. R. A.
700 1 $aCORREA, A. E.
700 1 $aGUEDES, R. N. C.
773 $tPest Management Science, Sussex$gv. 68, p. 1368-1373, 2012.
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