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| 30. |  | PINHEIRO, T. M.; SILVA-LOBO, V. L.; FILIPPI, M. C. C.; PRABHU, A. S. Efeito de fungicidas utilizados no controle de brusone e mancha de grãos em organismos não alvos. Tropical Plant Pathology, Brasília, DF, v. 34, p. S84, ago. 2009. Suplemento, ref. 301. Edição dos Resumos do XLII do Congresso Brasileiro de Fitopatologia, Rio de Janeiro, RJ, ago. 2009.| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 37. | | LOBO, V. L. da S.; FILIPPI, M. C. C. de; PRABHU, A. S. Doenças. In: SANTIAGO, C. M.; BRESEGHELLO, H. C. de P.; FERREIRA, C. M. (Ed.). Arroz: o produtor pergunta, a Embrapa responde. 2. ed. rev. e ampl. Brasília, DF: Embrapa, 2013. p. 143-158. (Coleção 500 perguntas, 500 respostas).| Biblioteca(s): Embrapa Arroz e Feijão. |
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| Registros recuperados : 330 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão; Embrapa Unidades Centrais. |
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Data corrente: |
09/01/1997 |
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Data da última atualização: |
10/09/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PRABHU, A. S.; FILIPPI, M. C. C. de; ZIMMERMANN, F. J. P. |
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Afiliação: |
ANNE SITARAMA PRABHU, CNPAF; MARTA CRISTINA CORSI DE FILIPPI, CNPAF; FRANCISCO JOSE P ZIMMERMANN, CNPAF. |
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Título: |
Genetic control of blast in relation to nitrogen fertilization in upland rice. |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, v. 31, n. 5, p. 339-347, maio 1996. |
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Idioma: |
Inglês |
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Conteúdo: |
Six upland rice cultivars were evaluated under two nitrogen levels (10 kg and 60 kg N/ha) for blast control based on slow leaf and panicle blast characteristics in field experiments conducted during three consecutive years. The criteria for measuring slow blasting resistance were area under disease progress curve (AUDPC), maximum severity during disease progress (Ymax) and the rate of increase until the disease reaches maximum ('ymax.). There was a high positive correlation among the criteria utilized. The control of leaf blast in improved rice cultivars (Cuiabana, Centro America, Guarani, Rio Paranaiba) ranged from 36 to 56% for 10 kg/ha of N and from 19 to 49% for 60 kg/ha of N over the susceptible checks (IAC 47, IAC 165). The effect of slow blasting resistance on panicle blast control was less than on leaf blast in most of the cultivars. Increasing the nitrogen level from 10 to 60 kg/ha resulted in a mean yield increase by only 12% corresponding to 258 kg/ha. The data suggest that the existing level os slow blasting resistance in the improved rice cultivars is efficient only under low nitrogen level. |
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Palavras-Chave: |
Slow blasting. |
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Thesagro: |
Arroz; Cerrado; Epidemiologia; Oryza Sativa; Pyricularia Grisea; Pyricularia Oryzae; Resistência. |
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Thesaurus NAL: |
epidemiology; rice. |
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Categoria do assunto: |
--
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/79410/1/pab96-05-maio.pdf
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Marc: |
LEADER 01851naa a2200265 a 4500
001 1205460
005 2021-09-10
008 1996 bl uuuu u00u1 u #d
100 1 $aPRABHU, A. S.
245 $aGenetic control of blast in relation to nitrogen fertilization in upland rice.
260 $c1996
520 $aSix upland rice cultivars were evaluated under two nitrogen levels (10 kg and 60 kg N/ha) for blast control based on slow leaf and panicle blast characteristics in field experiments conducted during three consecutive years. The criteria for measuring slow blasting resistance were area under disease progress curve (AUDPC), maximum severity during disease progress (Ymax) and the rate of increase until the disease reaches maximum ('ymax.). There was a high positive correlation among the criteria utilized. The control of leaf blast in improved rice cultivars (Cuiabana, Centro America, Guarani, Rio Paranaiba) ranged from 36 to 56% for 10 kg/ha of N and from 19 to 49% for 60 kg/ha of N over the susceptible checks (IAC 47, IAC 165). The effect of slow blasting resistance on panicle blast control was less than on leaf blast in most of the cultivars. Increasing the nitrogen level from 10 to 60 kg/ha resulted in a mean yield increase by only 12% corresponding to 258 kg/ha. The data suggest that the existing level os slow blasting resistance in the improved rice cultivars is efficient only under low nitrogen level.
650 $aepidemiology
650 $arice
650 $aArroz
650 $aCerrado
650 $aEpidemiologia
650 $aOryza Sativa
650 $aPyricularia Grisea
650 $aPyricularia Oryzae
650 $aResistência
653 $aSlow blasting
700 1 $aFILIPPI, M. C. C. de
700 1 $aZIMMERMANN, F. J. P.
773 $tPesquisa Agropecuária Brasileira$gv. 31, n. 5, p. 339-347, maio 1996.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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