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| 20. |  | GUTIÉRREZ, A.; DIEZ, J.; FERNÁNDEZ, J. Instensidad de pastoreo de gramineas tropicales. Ciencia e Investigación Agraria, v. 20, n. 2, p. 14, May/Ago., 1993. Resúmenes de 13o. Reunión Asociacion Latinoamericana de Produccion Animal, Santiago de Chile, 1993.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Unidades Centrais. Para informações adicionais entre em contato com biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Unidades Centrais. |
|
Data corrente: |
30/04/2002 |
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Data da última atualização: |
30/04/2002 |
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Autoria: |
PIZZAMIGLIO, M. A.; GUTIERREZ, A. P.; SANTOS, W. J. dos; GALLAGHER, K. D.; OLIVEIRA, W. S. de; FUJITA, Z. |
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Título: |
Phenological Patterns ans Sampling Decision Rules For Arthropods in Cotton Fields in Paraná, Brazil: Before Boll Weevil. |
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Ano de publicação: |
1989 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, v.24, n.3, p. 337-345, mar.1989 |
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Idioma: |
Inglês |
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Conteúdo: |
Several species of arthropods commonly found in untreated cotton in Paraná, Brazil, were sampled using the aceurate whole plant bag sampling method (WPBS). The data provide important background information for cotton prior to the expected increase ín insecticide use for the control of the newly introduced cotton bofl weevil (Anthonomus grandis Boh.) ín Paraná, Brazíl, Decision sampling rules base on Taylor's powcr law were developed for inany of the conimon species. ne relationship between the proportion of infested plants and the average density of arthropods per plant for cotton aphid and the cotton stem borer were, assessed for the cotton aphid. (Aphis gossypii Glover, 1876) and the stem borer (Eufinobothrus brasiliensis (Hambleton, 1937)). These functions may be used in the fleld to estímate the mean density of these pests in the field from presence-absence observations.
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Palavras-Chave: |
presence-absence sampling; whole plant bag sampling method. |
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Thesaurus NAL: |
cotton. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01595naa a2200217 a 4500
001 1107069
005 2002-04-30
008 1989 bl uuuu u00u1 u #d
100 1 $aPIZZAMIGLIO, M. A.
245 $aPhenological Patterns ans Sampling Decision Rules For Arthropods in Cotton Fields in Paraná, Brazil$bBefore Boll Weevil.
260 $c1989
520 $aSeveral species of arthropods commonly found in untreated cotton in Paraná, Brazil, were sampled using the aceurate whole plant bag sampling method (WPBS). The data provide important background information for cotton prior to the expected increase ín insecticide use for the control of the newly introduced cotton bofl weevil (Anthonomus grandis Boh.) ín Paraná, Brazíl, Decision sampling rules base on Taylor's powcr law were developed for inany of the conimon species. ne relationship between the proportion of infested plants and the average density of arthropods per plant for cotton aphid and the cotton stem borer were, assessed for the cotton aphid. (Aphis gossypii Glover, 1876) and the stem borer (Eufinobothrus brasiliensis (Hambleton, 1937)). These functions may be used in the fleld to estímate the mean density of these pests in the field from presence-absence observations.
650 $acotton
653 $apresence-absence sampling
653 $awhole plant bag sampling method
700 1 $aGUTIERREZ, A. P.
700 1 $aSANTOS, W. J. dos
700 1 $aGALLAGHER, K. D.
700 1 $aOLIVEIRA, W. S. de
700 1 $aFUJITA, Z.
773 $tPesquisa Agropecuária Brasileira, Brasília$gv.24, n.3, p. 337-345, mar.1989
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