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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
09/03/2017 |
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Data da última atualização: |
27/11/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
QUEIROZ, A. P. de; BUENO, A. de F.; POMARI-FERNANDES, A.; BORTOLOTTO, O. C.; MIKAMI, A. Y; OLIVE, L. |
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Afiliação: |
ANA PAULA DE QUEIROZ, IAPAR; ADENEY DE FREITAS BUENO, CNPSO; ALINE POMARI FERNANDES, Universidade Federal da Fronteira Sul; ORCEAL CEOLIN BORTOLOTTO, UFPR; ADRIANA YATIEM MIKAMI, UFPR; LOPES OLIVE, Universidade Federal de Rondônia. |
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Título: |
Influence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae). |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Revista Brasileira de Entomologia, v. 61, n. 1, p. 86-90, Jan./Mar. 2017. |
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ISSN: |
1806-9665 |
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DOI: |
10.1016/j.rbe.2016.12.004 |
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Idioma: |
Inglês |
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Conteúdo: |
We evaluated the influence of host preference, mating, and release density on Telenomus remus (Nixon, 1937) (Hymenoptera: Platygastridae) parasitizing eggs of Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae). First, we tested host preference of T. remus (free choice test) offered a choice between eggs of Corcyra cephalonica (Stainton, 1865) (Lepidoptera: Pyralidae) and S. frugiperda. Parasitism capacity and host preference (S. frugiperda) of T. remus reared on either of the two hosts did not differ. Secondly, we evaluated the influence of mating behavior of T. remus females on its parasitism. Only the offspring sex ratio differed between treatments, indicating that the species reproduces by parthenogenesis of the arrhenotoky type. Finally, we evaluated the influence of release density on T. remus parasitism. This was tested by releasing different numbers of the parasitoid per S. frugiperda egg using T. remus reared for different numbers of generations on C. cephalonica eggs. The regression analysis between percent age of parasitism and density of released T. remus females showed a quadratic effect for all tested parasitoid generations (F 35 , F 40 , and F 45 ) with maximum parasitism from 65.07% to 71.69%. Our results allow the conclusion that (a) T. remus prefers S. frugiperda eggs, regardless of the host on which this parasitoid was reared, showing no preimaginal conditioning; (b) Mating does not affect the number of eggs parasitized by T. remus or the development of its offspring; and (c) The optimal T. remus release density when reared on C. cephalonica is between 0.133 and 0.150 females/ S. frugiperda . MenosWe evaluated the influence of host preference, mating, and release density on Telenomus remus (Nixon, 1937) (Hymenoptera: Platygastridae) parasitizing eggs of Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae). First, we tested host preference of T. remus (free choice test) offered a choice between eggs of Corcyra cephalonica (Stainton, 1865) (Lepidoptera: Pyralidae) and S. frugiperda. Parasitism capacity and host preference (S. frugiperda) of T. remus reared on either of the two hosts did not differ. Secondly, we evaluated the influence of mating behavior of T. remus females on its parasitism. Only the offspring sex ratio differed between treatments, indicating that the species reproduces by parthenogenesis of the arrhenotoky type. Finally, we evaluated the influence of release density on T. remus parasitism. This was tested by releasing different numbers of the parasitoid per S. frugiperda egg using T. remus reared for different numbers of generations on C. cephalonica eggs. The regression analysis between percent age of parasitism and density of released T. remus females showed a quadratic effect for all tested parasitoid generations (F 35 , F 40 , and F 45 ) with maximum parasitism from 65.07% to 71.69%. Our results allow the conclusion that (a) T. remus prefers S. frugiperda eggs, regardless of the host on which this parasitoid was reared, showing no preimaginal conditioning; (b) Mating does not affect the number of eggs parasitized by T. remus or the developm... Mostrar Tudo |
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Thesagro: |
Entomologia. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/157435/1/Influence-of-host....pdf
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Marc: |
LEADER 02363naa a2200217 a 4500
001 2066604
005 2017-11-27
008 2017 bl uuuu u00u1 u #d
022 $a1806-9665
024 7 $a10.1016/j.rbe.2016.12.004$2DOI
100 1 $aQUEIROZ, A. P. de
245 $aInfluence of host preference, mating, and release density on the parasitism of Telenomus remus (Nixon) (Hymenoptera, Platygastridae).$h[electronic resource]
260 $c2017
520 $aWe evaluated the influence of host preference, mating, and release density on Telenomus remus (Nixon, 1937) (Hymenoptera: Platygastridae) parasitizing eggs of Spodoptera frugiperda (Smith, 1797) (Lepidoptera: Noctuidae). First, we tested host preference of T. remus (free choice test) offered a choice between eggs of Corcyra cephalonica (Stainton, 1865) (Lepidoptera: Pyralidae) and S. frugiperda. Parasitism capacity and host preference (S. frugiperda) of T. remus reared on either of the two hosts did not differ. Secondly, we evaluated the influence of mating behavior of T. remus females on its parasitism. Only the offspring sex ratio differed between treatments, indicating that the species reproduces by parthenogenesis of the arrhenotoky type. Finally, we evaluated the influence of release density on T. remus parasitism. This was tested by releasing different numbers of the parasitoid per S. frugiperda egg using T. remus reared for different numbers of generations on C. cephalonica eggs. The regression analysis between percent age of parasitism and density of released T. remus females showed a quadratic effect for all tested parasitoid generations (F 35 , F 40 , and F 45 ) with maximum parasitism from 65.07% to 71.69%. Our results allow the conclusion that (a) T. remus prefers S. frugiperda eggs, regardless of the host on which this parasitoid was reared, showing no preimaginal conditioning; (b) Mating does not affect the number of eggs parasitized by T. remus or the development of its offspring; and (c) The optimal T. remus release density when reared on C. cephalonica is between 0.133 and 0.150 females/ S. frugiperda .
650 $aEntomologia
700 1 $aBUENO, A. de F.
700 1 $aPOMARI-FERNANDES, A.
700 1 $aBORTOLOTTO, O. C.
700 1 $aMIKAMI, A. Y
700 1 $aOLIVE, L.
773 $tRevista Brasileira de Entomologia$gv. 61, n. 1, p. 86-90, Jan./Mar. 2017.
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Embrapa Soja (CNPSO) |
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| 1. |  | BANDEIRA, D. L. Núcleo de responsabilidade social da Embrapa Clima Temperado. In: EN LAS FRONTEIRAS DE LA REALIDAD: IDENTIDAD PARA LA DIVERSIDAD, MEMORIA PARA EL FUTURO. 2010, Montivideo. Memorias del 6to. Foro latinoamericano: memoria e identidad: Montivideo: Centro Interdisciplinario/Latinoamérica, 2010. Editores: Néstor G. Ganduglia, Natalia Rebetez Motta. p. 1-5| Tipo: Artigo em Anais de Congresso |
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| 4. | | FREITAS, G.; MARTINEZ, R.; MÜLLER JUNIOR, R.; DUTRA, R.; BANDEIRA, D. L. Estrátegias de avaliação de comunicação interna na Embrapa Clima Temperado. In: CONGRESSO DE INICIAÇÃO CIENTÍFICA, 2.; ENCONTRO DE PÓS GRADUAÇÃO DA EMBRAPA CLIMA TEMPERADO, 2., 2008, Pelotas. anais... Pelotas: Embrapa Clima Temperado, 2008. p. 73 Volume 1.| Tipo: Resumo em Anais de Congresso |
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| 5. | | MULLER JUNIOR, R.; GOMES, E. L.; BANDEIRA, D. L.; FREITAS, G.; DUTRA, R. índice de audiência em mídias como you tube. In: CONGRESSO DE INICIAÇÃO CIENTÍFICA, 2.; ENCONTRO DE PÓS GRADUAÇÃO DA EMBRAPA CLIMA TEMPERADO, 2., 2008, Pelotas. anais... Pelotas: Embrapa Clima Temperado, 2008. p. 78 Volume 1.| Tipo: Resumo em Anais de Congresso |
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