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| Registros recuperados : 249 | |
| Registros recuperados : 249 | |
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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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Circulação/Nível: |
Internacional - A |
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Autoria: |
BRAGA SOBRINHO, R.; BERBERET, R.; PRICE, R. |
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Título: |
Spatial Occurrence of the Bollworm Eggs, Larvae and Predators in 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.1865-1871 nov/dez. 1991 |
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Idioma: |
Inglês |
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Conteúdo: |
Intraplant distribution of eggs, larvae and predators of the bollworm (Heliothis zea (Boddie) on cotton (Gossypium hirsutum L.) was studied in field trials during 1986 and 1987 in Oklahoma. The largest proportions of eggs were found and the main stem terminals and upper parts of the plant. The total bollworm eggs on terminal and total eggs on the whole plant showed significant relationships, which suggests that the main stem terminal can be used as sampling site for bollworm eggs. Larvae were more commonly found on squares, bolls and flowers. Although large proportions of eggs were laid on the main stem terminals and on leaves, very small proportions of larvae were found on these parts. Chi-square tests between total numbers of eggs, total numbers of larvae on the upper of the plant and total numbers of predators on the whole plant showed no dependence in all planting dates. |
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Palavras-Chave: |
Date plant; Lagarta da maca; Part; Partes da Planta; plant part. |
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Thesagro: |
Algodão; Amostragem; Época de Plantio; Gossypium Hirsutum; Heliothis Zea; Ovo. |
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Thesaurus NAL: |
planting; planting date; sampling. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/21297/1/pab05_novdez_91.pdf
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Marc: |
LEADER 01720naa a2200313 a 4500
001 1106189
005 2004-09-10
008 1991 bl uuuu u00u1 u #d
100 1 $aBRAGA SOBRINHO, R.
245 $aSpatial Occurrence of the Bollworm Eggs, Larvae and Predators in Cotton.
260 $c1991
520 $aIntraplant distribution of eggs, larvae and predators of the bollworm (Heliothis zea (Boddie) on cotton (Gossypium hirsutum L.) was studied in field trials during 1986 and 1987 in Oklahoma. The largest proportions of eggs were found and the main stem terminals and upper parts of the plant. The total bollworm eggs on terminal and total eggs on the whole plant showed significant relationships, which suggests that the main stem terminal can be used as sampling site for bollworm eggs. Larvae were more commonly found on squares, bolls and flowers. Although large proportions of eggs were laid on the main stem terminals and on leaves, very small proportions of larvae were found on these parts. Chi-square tests between total numbers of eggs, total numbers of larvae on the upper of the plant and total numbers of predators on the whole plant showed no dependence in all planting dates.
650 $aplanting
650 $aplanting date
650 $asampling
650 $aAlgodão
650 $aAmostragem
650 $aÉpoca de Plantio
650 $aGossypium Hirsutum
650 $aHeliothis Zea
650 $aOvo
653 $aDate plant
653 $aLagarta da maca
653 $aPart
653 $aPartes da Planta
653 $aplant part
700 1 $aBERBERET, R.
700 1 $aPRICE, R.
773 $tPesquisa Agropecuária Brasileira, Brasília, V.26$gn.11/12, p.1865-1871 nov/dez. 1991
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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