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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
13/07/2011 |
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Data da última atualização: |
13/07/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
-- - -- |
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Autoria: |
ARGENTA, L. C.; LOPES, N. F. |
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Afiliação: |
Epagri |
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Título: |
Pigments accumulation, photosynthetic, respiratory and growth rates in soybean rice and water-grass as affected by chlomazone doses. |
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Ano de publicação: |
1992 |
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Fonte/Imprenta: |
Revista Brasileira de Fisiologia Vegetal , Campinas, SP, v. 4, n. 2, p. 81-86, 1992. |
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Idioma: |
Inglês |
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Notas: |
ISSN, 01033131 |
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Conteúdo: |
The effects of 2-(2-Chlorophenyl) Methyl-4,4-Dimethyl- 3-Isoxazolidione (Chlomazone) doses on some physiological aspects in soybean (Glycine max (L.) Merrill), rice (Oryza sativa L.) and watergrass (Echinochloa cruzgalii L. Beauv) were studied. Inhibition of Photosynthesis and of chlorophyll, carotenoids and phytoene accumulation in rice increased with chlomazone doses above 0.75 Kg a.i.ha-1. None of these effects were observed in soybean using up to 3.0 Kg a.i.ha-1. Water-grass plants treated with 0.75
Kg a.i.ha-1 died six days after emergence. In rice plants, chlomazone reduced Photosynthetic saturation irradiance and increased compensation irradiance. Redution in chlorophyll accumulation and a/b chlorophyll ratio caused by chlomazone was even greater when rice plants were grown under higher light flux density.
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Palavras-Chave: |
Herbicide; Photosynthesis; Pigments. |
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Categoria do assunto: |
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Marc: |
LEADER 01370naa a2200169 a 4500
001 1078287
005 2011-07-13
008 1992 bl uuuu u00u1 u #d
100 1 $aEpagri
245 $aPigments accumulation, photosynthetic, respiratory and growth rates in soybean rice and water-grass as affected by chlomazone doses.
260 $c1992
500 $aISSN, 01033131
520 $aThe effects of 2-(2-Chlorophenyl) Methyl-4,4-Dimethyl- 3-Isoxazolidione (Chlomazone) doses on some physiological aspects in soybean (Glycine max (L.) Merrill), rice (Oryza sativa L.) and watergrass (Echinochloa cruzgalii L. Beauv) were studied. Inhibition of Photosynthesis and of chlorophyll, carotenoids and phytoene accumulation in rice increased with chlomazone doses above 0.75 Kg a.i.ha-1. None of these effects were observed in soybean using up to 3.0 Kg a.i.ha-1. Water-grass plants treated with 0.75 Kg a.i.ha-1 died six days after emergence. In rice plants, chlomazone reduced Photosynthetic saturation irradiance and increased compensation irradiance. Redution in chlorophyll accumulation and a/b chlorophyll ratio caused by chlomazone was even greater when rice plants were grown under higher light flux density.
653 $aHerbicide
653 $aPhotosynthesis
653 $aPigments
773 $tRevista Brasileira de Fisiologia Vegetal , Campinas, SP$gv. 4, n. 2, p. 81-86, 1992.
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