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Registro Completo |
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Biblioteca(s): |
Embrapa Algodão; Embrapa Unidades Centrais. |
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Data corrente: |
26/08/1993 |
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Data da última atualização: |
10/09/2004 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BRAGA SOBRINHO, R.; YOUNG, J. H.; YOUNG, L. J. |
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Título: |
Vertical Distribution of Eggs and Larvae of the Bollworm Within the Cotton Plant. |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, V.26, n.11/12, p.1873-1878, nov/dez. 1991 |
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Idioma: |
Inglês |
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Conteúdo: |
The cotton cultivar ´Tamcot CAMD-E´, Gossypium hirsutum L., was planted in three different planting dates. Five wood-framed screen cages were used to cover 30 cotton plants during match-head squares and blooming phase for each planting date. Five female and five male bollworm moths, Heliothis zea, were released in each cage. The majority of eggs were laid on the upper part of the plant. The greatest proportions of eggs were observed during the second infestation period, which coincided with the blooming phase. Leaves were the most common place for eggs deposition. Terminal alone is probably not a good place to scount for larvae. The greatest proportion of larvae were found on the upper part of the plant during the second infestation period, which coincided with a larger canopy and more fruiting structures available. High correlations were obtainded among eggs on leaves and total number of eggs on the whole plant. Total larvae on the upper part of the plant yielded higher correlation coefficients than larvae on the terminal. This was true in all infestations and planting dates. |
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Palavras-Chave: |
Artificial infestation; Fenology; Infestacao artificial; Lagarta-da-maca; Pest; Tobacco ludworm. |
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Thesagro: |
Algodão; Fenologia; Gossypium Hirsutum; Heliothis Zea; Praga. |
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Thesaurus Nal: |
cotton. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/21298/1/pab06_novdez_91.pdf
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Marc: |
LEADER 01898naa a2200289 a 4500
001 1106190
005 2004-09-10
008 1991 bl uuuu u00u1 u #d
100 1 $aBRAGA SOBRINHO, R.
245 $aVertical Distribution of Eggs and Larvae of the Bollworm Within the Cotton Plant.
260 $c1991
520 $aThe cotton cultivar ´Tamcot CAMD-E´, Gossypium hirsutum L., was planted in three different planting dates. Five wood-framed screen cages were used to cover 30 cotton plants during match-head squares and blooming phase for each planting date. Five female and five male bollworm moths, Heliothis zea, were released in each cage. The majority of eggs were laid on the upper part of the plant. The greatest proportions of eggs were observed during the second infestation period, which coincided with the blooming phase. Leaves were the most common place for eggs deposition. Terminal alone is probably not a good place to scount for larvae. The greatest proportion of larvae were found on the upper part of the plant during the second infestation period, which coincided with a larger canopy and more fruiting structures available. High correlations were obtainded among eggs on leaves and total number of eggs on the whole plant. Total larvae on the upper part of the plant yielded higher correlation coefficients than larvae on the terminal. This was true in all infestations and planting dates.
650 $acotton
650 $aAlgodão
650 $aFenologia
650 $aGossypium Hirsutum
650 $aHeliothis Zea
650 $aPraga
653 $aArtificial infestation
653 $aFenology
653 $aInfestacao artificial
653 $aLagarta-da-maca
653 $aPest
653 $aTobacco ludworm
700 1 $aYOUNG, J. H.
700 1 $aYOUNG, L. J.
773 $tPesquisa Agropecuária Brasileira, Brasília, V.26$gn.11/12, p.1873-1878, nov/dez. 1991
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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