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Registros recuperados : 561 | |
184. | | GARCONI, R. C.; DURAES, F. O. M.; MAGALHAES, P. C.; SILVA, R. F. da. Influência da seca e da alta saturação em alumínio no solo em caracteres agronômicos de populações de milho. Revista Brasileira de Fisiologia Vegetal, Brasília, v. 11, p. 45, 1999. Suplemento. Edição de resumos do 7º Congresso Brasileiro de Fisiologia Vegetal, Brasília, 1999. Biblioteca(s): Embrapa Milho e Sorgo. |
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185. | | RAMOS, M. M.; BRAGA, M. B.; GOMIDE, R. L.; MAGALHAES, P. C.; MANTOVANI, E. C. Influência de quatro frequências de irrigação em alguns fatores de produção do feijoeiro (Phaseolus vulgaris L. cv. Carioca) e na sua produtividade. In: CONGRESSO BRASILEIRO DE ENGENHARIA AGRÍCOLA, 24., 1995, Viçosa, MG. Resumos... Viçosa, MG: SBEA: UFV, 1995. p. 268. p.268 Biblioteca(s): Embrapa Milho e Sorgo. |
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186. | | BRAGA, M. B.; MAGALHAES, P. C.; GOMIDE, R. L.; MANTOVANI, E. C.; RAMOS, M. M. Influência de quatro frequências de irrigação, na distribuição radicular, em três estádios de desenvolvimento na cultura do feijoeiro (Phaseolus vulgaris L. Cv. Carioca). In: CONGRESSO BRASILEIRO DE ENGENHARIA AGRÍCOLA, 24., 1995, Viçosa, MG. Resumos... Viçosa, MG: SBEA: UFV, 1995. p. 298. Biblioteca(s): Embrapa Milho e Sorgo. |
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189. | | ROMERO, J. L.; MAGALHAES, P. C.; ALVES, J. D.; DURAES, F. O. M.; VASCONCELLOS, C. A. Efeito do cálcio sobre algumas características biofísicas e morfologicas de plantas de milho BRS-4154 submetidas ao alagamento do solo. Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 2, n. 3, p. 21-33, set./dez. 2003. Biblioteca(s): Embrapa Milho e Sorgo. |
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195. | | MAGALHAES, P. C.; SILVA, J. B.; DURAES, F. O. M.; KARAM, D.; RIBEIRO, L. S. Efeito de doses reduzidas de Glyphosate e Paraquat simulando deriva na cultura do milho. Planta Daninha, Viçosa, MG, v. 19, n. 2, p. 247-253, 2001. Biblioteca(s): Embrapa Milho e Sorgo. |
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196. | | MAGALHAES, P. C.; SILVA, J. B.; DURAES, F. O. M.; KARAM, D.; RIBEIRO, L. S. Efeito de doses reduzidas de Glyphosate e Paraquat simulando deriva na cultura do sorgo. Planta Daninha, Viçosa, MG, v. 19, n. 2, p. 255-262, 2001. Biblioteca(s): Embrapa Milho e Sorgo. |
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Registros recuperados : 561 | |
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Registro Completo
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
03/08/2010 |
Data da última atualização: |
04/06/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
NOME, C.; MAGALHAES, P. C.; OLIVEIRA, E.; NOME, S.; LAGUNA, I. G. |
Afiliação: |
CLAUDIA NOME, INTA-IFFIVE; PAULO CESAR MAGALHAES, CNPMS; ELIZABETH DE OLIVEIRA SABATO, CNPMS; SERGIO NOME, INTA-IFFIVE; IRMA GRACIELA LAGUNA, INTA-IFFIVE. |
Título: |
Differences in intracellular localization of corn stunt spiroplasmas in magnesium treated maize. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
Biocell, Mendoza, v. 33, n. 2, p. 133-136, maio/ago. 2009. |
Idioma: |
Inglês |
Conteúdo: |
Maize plants infected with Spiroplasma kunkelii show symptoms similar to that of plants in a magnesium-deficient soil, and it has been shown that the spiroplasma alters the plants' magnesium absorption. In the current study we compared changes associated to either spiroplasma infection, two soil magnesium levels and their combinations. Plant symptoms were recorded and correlated with transmission electron microscopy observations. Plants grown on a high magnesium treatment showed no macroscopical alterations nor organelle ultrastructural alterations, while plants on a low magnesium treatment showed macroscopical vein yellowing and, ultrastructurally, they had most chloroplasts and mitochondrial membranes altered. Infected plants on a low magnesium treatment had an ageing aspect, ultrastructurally showed chloroplasts and mitochondrial alterations similar to those non-infected and grown on a low magnesium treatment, and spiroplasma cells were found in phloem cells, but outside their cytoplasm. Infected plants on a high magnesium treatment showed similar symptoms and ultrastructural alterations as either non-infected plants on the low magnesium treatment or in infected plants on the low magnesium treatment, but differ from them in that the spiroplasma cells were located inside the cytoplasm. Results suggest that magnesium is involved in the plant-pathogen interaction. |
Palavras-Chave: |
Cytopathology; Magnesium deficiency. |
Thesaurus NAL: |
Mollicutes; plant pathology. |
Categoria do assunto: |
S Ciências Biológicas |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/64142/1/Diferences-intracellular.pdf
|
Marc: |
LEADER 02025naa a2200217 a 4500 001 1859089 005 2018-06-04 008 2009 bl uuuu u00u1 u #d 100 1 $aNOME, C. 245 $aDifferences in intracellular localization of corn stunt spiroplasmas in magnesium treated maize.$h[electronic resource] 260 $c2009 520 $aMaize plants infected with Spiroplasma kunkelii show symptoms similar to that of plants in a magnesium-deficient soil, and it has been shown that the spiroplasma alters the plants' magnesium absorption. In the current study we compared changes associated to either spiroplasma infection, two soil magnesium levels and their combinations. Plant symptoms were recorded and correlated with transmission electron microscopy observations. Plants grown on a high magnesium treatment showed no macroscopical alterations nor organelle ultrastructural alterations, while plants on a low magnesium treatment showed macroscopical vein yellowing and, ultrastructurally, they had most chloroplasts and mitochondrial membranes altered. Infected plants on a low magnesium treatment had an ageing aspect, ultrastructurally showed chloroplasts and mitochondrial alterations similar to those non-infected and grown on a low magnesium treatment, and spiroplasma cells were found in phloem cells, but outside their cytoplasm. Infected plants on a high magnesium treatment showed similar symptoms and ultrastructural alterations as either non-infected plants on the low magnesium treatment or in infected plants on the low magnesium treatment, but differ from them in that the spiroplasma cells were located inside the cytoplasm. Results suggest that magnesium is involved in the plant-pathogen interaction. 650 $aMollicutes 650 $aplant pathology 653 $aCytopathology 653 $aMagnesium deficiency 700 1 $aMAGALHAES, P. C. 700 1 $aOLIVEIRA, E. 700 1 $aNOME, S. 700 1 $aLAGUNA, I. G. 773 $tBiocell, Mendoza$gv. 33, n. 2, p. 133-136, maio/ago. 2009.
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Embrapa Milho e Sorgo (CNPMS) |
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