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Registros recuperados : 483 | |
33. | | FILIPPI, M. C.; PRABHU, A. S. Tratamento de sementes com fungicida sistêmico em relação ao grau de resistência da cultivar no controle de brusone nas folhas de arroz. Fitopatologia Brasileira, Brasilia, DF, v. 12, n. 2, p. 157, jul. 1987. Suplemento, ref. 223. Edição dos Resumos do XX Congresso Brasileiro de Fitopatologia, Londrina, 1987. Biblioteca(s): Embrapa Arroz e Feijão. |
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38. | | FILIPPI, M. C. de; EBBOLE, D.; GONZALEZ, C. Bioactive inhibition of appressorium formation in Magnaporthe grisea. Fitopatologia Brasileira, v. 29, p. S56, ago. 2004. Suplemento, ref. 092, Edição de Resumos do XXXVII Congresso Brasileiro de Fitopatologia, Gramado, RS, ago. 2004. Biblioteca(s): Embrapa Arroz e Feijão. |
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40. | | FILIPPI, M. C.; VEILLET, S.; PRABHU, A. S. Avaliação de populações recorrentes para resistência parcial à brusone em arroz de sequeiro. Fitopatologia Brasileira, v. 17, n. 2, p. 200-201, ago. 1992. Suplemento, ref. 291. Edição dos Resumos do XXV Congresso Brasileiro de Fitopatologia, Gramado, ago. 1992. Biblioteca(s): Embrapa Arroz e Feijão. |
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Registros recuperados : 483 | |
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Registro Completo
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
11/10/2007 |
Data da última atualização: |
07/06/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
FILIPPI, M. C.; PRABHU, A. S. |
Afiliação: |
MARTA CRISTINA CORSI DE FILIPPI, CNPAF; ANNE SITARAMA PRABHU, CNPAF. |
Título: |
Relationship between panicle blast severity and mineral nutrient content of plant tissue in upland rice. |
Ano de publicação: |
1998 |
Fonte/Imprenta: |
Journal of Plant Nutrition, v. 21, n. 8, p. 1577-1587, Nov. 1998. |
DOI: |
https://doi.org/10.1080/01904169809365505 |
Idioma: |
Inglês |
Conteúdo: |
Panicle blast (Pyricularia grisea) in upland rice causes significant yield losses depending upon the environmental conditions and nutritional status of the plant at the grain-filling stage. Four field experiments were conducted to evaluate the influence of mineral nutrients on panicle blast of four upland rice genotypes on an oxisol. Panicle blast severities of four genotypes were related to nutrient concentrations in panicle tissues. Nitrogen (N), phosphorus (P), and magnesium (Mg) contents in tissue were significantly (P<0.01) and positively correlated, whereas potassium (K) and calcium (Ca) were negatively correlated with panicle blast severity. While the relationship between tissue N concentration and disease severity was quadratic, it was linear for K concentration. The correlation between tissue contents of N and P were positive and highly significant (r=0.75 P<0.001). Micronutrient tissue concentrations were not significantly correlated to panicle blast severities except for zinc (Zn). The low panicle blast severities of improved cultivar Guarani were associated with high K and Zn and low N, P, and Mg tissue concentrations. |
Palavras-Chave: |
Blast; Mineral nutrient. |
Thesagro: |
Arroz; Brusone; Nutriente; Oryza Sativa; Pyricularia Grisea. |
Categoria do assunto: |
H Saúde e Patologia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/215823/1/jpn-1998.pdf
|
Marc: |
LEADER 01853naa a2200229 a 4500 001 1215823 005 2022-06-07 008 1998 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1080/01904169809365505$2DOI 100 1 $aFILIPPI, M. C. 245 $aRelationship between panicle blast severity and mineral nutrient content of plant tissue in upland rice.$h[electronic resource] 260 $c1998 520 $aPanicle blast (Pyricularia grisea) in upland rice causes significant yield losses depending upon the environmental conditions and nutritional status of the plant at the grain-filling stage. Four field experiments were conducted to evaluate the influence of mineral nutrients on panicle blast of four upland rice genotypes on an oxisol. Panicle blast severities of four genotypes were related to nutrient concentrations in panicle tissues. Nitrogen (N), phosphorus (P), and magnesium (Mg) contents in tissue were significantly (P<0.01) and positively correlated, whereas potassium (K) and calcium (Ca) were negatively correlated with panicle blast severity. While the relationship between tissue N concentration and disease severity was quadratic, it was linear for K concentration. The correlation between tissue contents of N and P were positive and highly significant (r=0.75 P<0.001). Micronutrient tissue concentrations were not significantly correlated to panicle blast severities except for zinc (Zn). The low panicle blast severities of improved cultivar Guarani were associated with high K and Zn and low N, P, and Mg tissue concentrations. 650 $aArroz 650 $aBrusone 650 $aNutriente 650 $aOryza Sativa 650 $aPyricularia Grisea 653 $aBlast 653 $aMineral nutrient 700 1 $aPRABHU, A. S. 773 $tJournal of Plant Nutrition$gv. 21, n. 8, p. 1577-1587, Nov. 1998.
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