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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
07/02/2002 |
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Data da última atualização: |
10/09/2004 |
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Autoria: |
BRAGA SOBRINHO, R.; YOUNG, J. H.; YOUN, L. J. |
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Título: |
Oviposition and Feeding Preferences of the Bollworm on Cotton. |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, V.26, n.11/12, p.1851-1857, nov/dez. 1991 |
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Idioma: |
Inglês |
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Conteúdo: |
Oviposition and feeding preferences of the bollworm, Heliothis zea (Boddie) on cotton, Gossypium hirsutum L., cultivar ´Tamcot CAMD-E´. were studied. A highly significant number of eggs on termnal and leaves indicated clearly that bollworm moths exibit a high degree of preference for egg placement on these parts. Feeding sites for bollworm larvae were quite variable among instars and plant parts, except for white flowers and red flowers which were the most preferred feeding sites for all larval instars. Terminals and leaves were the second most damaged plant parts by the first instars. Large boll preference increased from fourth to sixth instars, with a peak of damage in the fifth instar. It was concluded that egg lacement may vary among plant parts. Feeding preference sites varied from instar to instar within the various cotton plant parts. Consequently, caution should be taken in common scoring practices. |
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Palavras-Chave: |
egg; free-choice; nochoice; plant part. |
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Thesagro: |
Gossypium Hirsutum; Heliothis Zea. |
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Thesaurus Nal: |
larvae. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/21295/1/pab03_novdez_91.pdf
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Marc: |
LEADER 01545naa a2200229 a 4500
001 1106187
005 2004-09-10
008 1991 bl uuuu u00u1 u #d
100 1 $aBRAGA SOBRINHO, R.
245 $aOviposition and Feeding Preferences of the Bollworm on Cotton.
260 $c1991
520 $aOviposition and feeding preferences of the bollworm, Heliothis zea (Boddie) on cotton, Gossypium hirsutum L., cultivar ´Tamcot CAMD-E´. were studied. A highly significant number of eggs on termnal and leaves indicated clearly that bollworm moths exibit a high degree of preference for egg placement on these parts. Feeding sites for bollworm larvae were quite variable among instars and plant parts, except for white flowers and red flowers which were the most preferred feeding sites for all larval instars. Terminals and leaves were the second most damaged plant parts by the first instars. Large boll preference increased from fourth to sixth instars, with a peak of damage in the fifth instar. It was concluded that egg lacement may vary among plant parts. Feeding preference sites varied from instar to instar within the various cotton plant parts. Consequently, caution should be taken in common scoring practices.
650 $alarvae
650 $aGossypium Hirsutum
650 $aHeliothis Zea
653 $aegg
653 $afree-choice
653 $anochoice
653 $aplant part
700 1 $aYOUNG, J. H.
700 1 $aYOUN, L. J.
773 $tPesquisa Agropecuária Brasileira, Brasília, V.26$gn.11/12, p.1851-1857, nov/dez. 1991
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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| Registros recuperados : 183 | |
| 53. |  | MESQUITA, A. L. M.; GUIMARÃES, J. A.; BRAGA SOBRINHO, R. Ocorrência e importância de inimigos naturais do minador-da-folha-do-cajueiro, Phyllocnistis sp. (Lepidoptera, Gracillaridae) no Ceará. In: SIMPÓSIO DE CONTROLE BIOLÓGICO, 10., 2007, Brasília,DF. Inovar para preservar a vida: anais... Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia/SEB, 2007.| Tipo: Resumo em Anais de Congresso | Circulação/Nível: -- - -- |
| Biblioteca(s): Embrapa Agroindústria Tropical. |
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| 54. | | MESQUITA, A. L. M.; GUIMARÃES, J. A.; BRAGA SOBRINHO, R. Ocorrência e importância de inimigos naturais do minador-da-folha-do-cajueiro, Phyllocnistis sp. (Lepidoptera, gracillariidae) no Ceará. In: SIMPÓSIO DE CONTROLE BIOLÓGICO, 10., 2007, Brasília, DF. Inovar para preservar a vida: anais. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia: SEB, 2007. 1 CD-ROM| Tipo: Resumo em Anais de Congresso | Circulação/Nível: -- - -- |
| Biblioteca(s): Embrapa Agroindústria Tropical. |
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| Registros recuperados : 183 | |
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