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| 1. |  | MODESTO, V. C.; SOUZA, H. A. de; POMPEU, R. C. F. F.; NATALE, W. Relações biométricas e índice SPAD do milho submetido a fontes e doses de nitrogênio na regiao Semiárida do Brasil. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 30.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 14.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 12.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 9.; SIMPÓSIO SOBRE SELÊNIO NO BRASIL, 1., 2012, Maceió. A responsabilidade socioambiental da pesquisa agrícola: anais. Viçosa, MG: SBCS, 2012. 4 p. 1 CD-ROM.| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
11/09/1997 |
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Data da última atualização: |
21/07/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CRUZ, I.; TURPIN, F. T. |
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Afiliação: |
IVAN CRUZ, CNPMS. |
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Título: |
Yield impact of larval infestation of the fall armyworm (Lepidoptera: Noctuidae) to Midwhorl growth stage of corn. |
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Ano de publicação: |
1983 |
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Fonte/Imprenta: |
Journal of Economic Entomology, College Park, v. 76, n. 5, p. 1052-1054, 1983. |
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Idioma: |
Inglês |
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Conteúdo: |
Egg masses of fall armyworm, Spodoptera frugiperda (J. E. Smith), were artificially placed on corn at the midwhorl growth stage. Levels of infestation tested included egg masses on 5, 10, 15, 20, and 100% of the plants. Population were assessed by leaf damage ratins. Yield parameters of grain weight, ear lenght, kernel number, ear damage, number ofdamaged kernels, and weight of 100 kernels were measured. Significant yield losses of 17% were sustained when 20 or 100% of the plants received egg masses. The relationships of leaf damage ratings and yield was liner and inverse. Yield losses were directly related to reduction in kernel number on ears from infested plants. |
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Palavras-Chave: |
Infestation; Pest. |
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Thesagro: |
Crescimento; Infestação; Milho; Praga; Zea Mays. |
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Thesaurus NAL: |
developmental stages; Lepidoptera. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01378naa a2200241 a 4500
001 1476471
005 2018-07-21
008 1983 bl uuuu u00u1 u #d
100 1 $aCRUZ, I.
245 $aYield impact of larval infestation of the fall armyworm (Lepidoptera$bNoctuidae) to Midwhorl growth stage of corn.$h[electronic resource]
260 $c1983
520 $aEgg masses of fall armyworm, Spodoptera frugiperda (J. E. Smith), were artificially placed on corn at the midwhorl growth stage. Levels of infestation tested included egg masses on 5, 10, 15, 20, and 100% of the plants. Population were assessed by leaf damage ratins. Yield parameters of grain weight, ear lenght, kernel number, ear damage, number ofdamaged kernels, and weight of 100 kernels were measured. Significant yield losses of 17% were sustained when 20 or 100% of the plants received egg masses. The relationships of leaf damage ratings and yield was liner and inverse. Yield losses were directly related to reduction in kernel number on ears from infested plants.
650 $adevelopmental stages
650 $aLepidoptera
650 $aCrescimento
650 $aInfestação
650 $aMilho
650 $aPraga
650 $aZea Mays
653 $aInfestation
653 $aPest
700 1 $aTURPIN, F. T.
773 $tJournal of Economic Entomology, College Park$gv. 76, n. 5, p. 1052-1054, 1983.
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Embrapa Milho e Sorgo (CNPMS) |
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