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Registro Completo |
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
21/11/2003 |
Data da última atualização: |
05/06/2018 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
PARENTONI, S. N.; ALVES, V. M. C.; OLIVEIRA, A. C.; MAGALHAES, J.; COELHO, A. M.; SCHAFFERT, R. E.; GUIMARAES, C. T.; GAMA, E. E. G.; GODOY, C. L.; SANTOS, M. X.; GUIMARAES, P. E. O.; PACHECO, C. A. P.; MEIRELLES, W. F.; RIBEIRO, P. H. E.; PITTA, G. V. E.; BAHIA FILHO, A. F. C. |
Afiliação: |
SIDNEY NETTO PARENTONI, CNPMS; VERA MARIA CARVALHO ALVES, CNPMS; ANTONIO CARLOS DE OLIVEIRA, CNPMS; JURANDIR VIEIRA DE MAGALHAES, CNPMS; ANTONIO MARCOS COELHO, CNPMS; ROBERT EUGENE SCHAFFERT, CNPMS; CLAUDIA TEIXEIRA GUIMARAES, CNPMS; PAULO EVARISTO DE O GUIMARAES, CNPMS; CLESO ANTONIO PATTO PACHECO, CNPMS; WALTER FERNANDES MEIRELLES, CNPMS. |
Título: |
Genetics of aluminum tolerance in maize evaluated in nutrient solution with and without control experiments. |
Ano de publicação: |
2003 |
Fonte/Imprenta: |
In: INTERNATIONAL SYMPOSIUM ON PLANT BREEDING, 2003, Mexico. Book of abstracts. Mexico: CIMMYT, 2003. p. 60-61. |
Idioma: |
Inglês |
Palavras-Chave: |
Tolerancia. |
Thesagro: |
Milho. |
Thesaurus Nal: |
aluminum. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/84395/1/Genetics-aluminum.pdf
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Marc: |
LEADER 00998nam a2200313 a 4500 001 1487374 005 2018-06-05 008 2003 bl uuuu u00u1 u #d 100 1 $aPARENTONI, S. N. 245 $aGenetics of aluminum tolerance in maize evaluated in nutrient solution with and without control experiments.$h[electronic resource] 260 $aIn: INTERNATIONAL SYMPOSIUM ON PLANT BREEDING, 2003, Mexico. Book of abstracts. Mexico: CIMMYT, 2003. p. 60-61.$c2003 650 $aaluminum 650 $aMilho 653 $aTolerancia 700 1 $aALVES, V. M. C. 700 1 $aOLIVEIRA, A. C. 700 1 $aMAGALHAES, J. 700 1 $aCOELHO, A. M. 700 1 $aSCHAFFERT, R. E. 700 1 $aGUIMARAES, C. T. 700 1 $aGAMA, E. E. G. 700 1 $aGODOY, C. L. 700 1 $aSANTOS, M. X. 700 1 $aGUIMARAES, P. E. O. 700 1 $aPACHECO, C. A. P. 700 1 $aMEIRELLES, W. F. 700 1 $aRIBEIRO, P. H. E. 700 1 $aPITTA, G. V. E. 700 1 $aBAHIA FILHO, A. F. C.
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Embrapa Milho e Sorgo (CNPMS) |
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Registro Completo
Biblioteca(s): |
Embrapa Agrobiologia. |
Data corrente: |
15/03/1999 |
Data da última atualização: |
15/03/1999 |
Autoria: |
XAVIER, G. R.; MARTINS, L. M. V.; NEVES, Maria Cristina P.; RUMJANEK, Norma G. |
Título: |
Heat tolerant strains of cowpea rhizobia isolated from the North-East region of Brazil. |
Ano de publicação: |
1997 |
Fonte/Imprenta: |
In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE BIOQUIMICA E BIOLOGIA MOLECULAR, 26., maio 1997, Caxambu. Resumos... Caxambu: Sociedade Brasileira de Bioquimica e Biologia Molecular, 1997. p.49. |
Idioma: |
Inglês |
Conteúdo: |
Temperature is a factor which limits growth, survival, competitiveness and population size of soil rhizobia and nitrogen-fixing activity when the bacteria are associated with leguminous roots. Thus, it is not surprising that rhizobia strains nodulating cowpea, which grows well in semi-arid areas showing high daily temperatures, are tolerant to these conditions. This study aims to select heat tolerant inoculants for cowpea growing in the north-east region of Brazil, from a collection of rhizobia that has already been characterized regarding other parameters, such as nodulation, efficiency, Hup phenotype and intrinsic antibiotic resistance. Seventy-eight isolates from a variety of soils were studied, which had been collected at both a semi-arid and tropical rain forest areas located at the same latitude in the north-east region of Brazil. The assay was performed in YEM medium at 28 graus C, as a control, at 39 graus C and 42 graus C to determine heat tolerant strains. In this region, the fast-growing rhizobia population was significant and 96% of them were tolerant to 39 graus C, while only 63% of slow-growers were capable of developing under this condition. Thirty percent of isolates from the semi-arid region showed tolerance to 42 graus C againt 18% of the isolates from the tropical rain forest region. Comparing these results with the ones obtained for strains BR 96 and BR 29 (B. elkanii), BR 33 (B. japonicum) commonly used for soybean crops, and BR 2001 (Bradyrhizobium sp) recommended for cowpea, it was... MenosTemperature is a factor which limits growth, survival, competitiveness and population size of soil rhizobia and nitrogen-fixing activity when the bacteria are associated with leguminous roots. Thus, it is not surprising that rhizobia strains nodulating cowpea, which grows well in semi-arid areas showing high daily temperatures, are tolerant to these conditions. This study aims to select heat tolerant inoculants for cowpea growing in the north-east region of Brazil, from a collection of rhizobia that has already been characterized regarding other parameters, such as nodulation, efficiency, Hup phenotype and intrinsic antibiotic resistance. Seventy-eight isolates from a variety of soils were studied, which had been collected at both a semi-arid and tropical rain forest areas located at the same latitude in the north-east region of Brazil. The assay was performed in YEM medium at 28 graus C, as a control, at 39 graus C and 42 graus C to determine heat tolerant strains. In this region, the fast-growing rhizobia population was significant and 96% of them were tolerant to 39 graus C, while only 63% of slow-growers were capable of developing under this condition. Thirty percent of isolates from the semi-arid region showed tolerance to 42 graus C againt 18% of the isolates from the tropical rain forest region. Comparing these results with the ones obtained for strains BR 96 and BR 29 (B. elkanii), BR 33 (B. japonicum) commonly used for soybean crops, and BR 2001 (Bradyrhizobium sp)... Mostrar Tudo |
Palavras-Chave: |
Brasil; Isolation; Temperature resistance. |
Thesagro: |
Feijão de Corda; Isolamento; Resistência a Temperatura; Rhizobium. |
Thesaurus NAL: |
Brazil; cowpeas. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02409naa a2200265 a 4500 001 1620978 005 1999-03-15 008 1997 bl uuuu u00u1 u #d 100 1 $aXAVIER, G. R. 245 $aHeat tolerant strains of cowpea rhizobia isolated from the North-East region of Brazil. 260 $c1997 520 $aTemperature is a factor which limits growth, survival, competitiveness and population size of soil rhizobia and nitrogen-fixing activity when the bacteria are associated with leguminous roots. Thus, it is not surprising that rhizobia strains nodulating cowpea, which grows well in semi-arid areas showing high daily temperatures, are tolerant to these conditions. This study aims to select heat tolerant inoculants for cowpea growing in the north-east region of Brazil, from a collection of rhizobia that has already been characterized regarding other parameters, such as nodulation, efficiency, Hup phenotype and intrinsic antibiotic resistance. Seventy-eight isolates from a variety of soils were studied, which had been collected at both a semi-arid and tropical rain forest areas located at the same latitude in the north-east region of Brazil. The assay was performed in YEM medium at 28 graus C, as a control, at 39 graus C and 42 graus C to determine heat tolerant strains. In this region, the fast-growing rhizobia population was significant and 96% of them were tolerant to 39 graus C, while only 63% of slow-growers were capable of developing under this condition. Thirty percent of isolates from the semi-arid region showed tolerance to 42 graus C againt 18% of the isolates from the tropical rain forest region. Comparing these results with the ones obtained for strains BR 96 and BR 29 (B. elkanii), BR 33 (B. japonicum) commonly used for soybean crops, and BR 2001 (Bradyrhizobium sp) recommended for cowpea, it was... 650 $aBrazil 650 $acowpeas 650 $aFeijão de Corda 650 $aIsolamento 650 $aResistência a Temperatura 650 $aRhizobium 653 $aBrasil 653 $aIsolation 653 $aTemperature resistance 700 1 $aMARTINS, L. M. V. 700 1 $aNEVES, Maria Cristina P. 700 1 $aRUMJANEK, Norma G. 773 $tIn: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE BIOQUIMICA E BIOLOGIA MOLECULAR, 26., maio 1997, Caxambu. Resumos... Caxambu: Sociedade Brasileira de Bioquimica e Biologia Molecular, 1997. p.49.
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