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| Registros recuperados : 43.310 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
18/07/1996 |
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Data da última atualização: |
22/06/2012 |
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Autoria: |
VLASSAK, K. |
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Título: |
Competitive nodulation of bean (Phaseolus vulgaris L.) Rhizobium spp. with a broad host range: field studies and genetic analysis. |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
Leuven: Kstholieke Universiteit Leuven, Fev. 1996. |
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Páginas: |
204p. |
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Série: |
Tese de Doutorado. |
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Idioma: |
Inglês |
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Notas: |
Tese de Doutorado: Orientada por: J. Vanderleyden, Avilio Antonio Franco. |
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Conteúdo: |
Inoculation of legumes with superior nitrogen fixing rhizobia does not always result in the desired increase because of the failure of the inoculation strain to occupy a significant proportion of the nodules. The introduced inoculant strains have to compete with the indiginous, often ineffective nitrogen fixing, rhizobial population at different levels: after their adaptation and multiplication in the soil and host rhizosphere, these strains have to compete on the legume roots for infection sites and nodulation. Although the success of inoculation depends for a great extent on the ratio of inoculant to indigenous rhizobia, the intrinsic characteristics of these rhizobia, and their responses to many abiotic and biotic environmental factors also determine the outcome of inoculation. Common bean (Phaseolus vulgaris L.) is an important crop in Latin America, supplying about 20% of the protein intake per person (Van Rheenen, 1982). The factors which influence the interaction between this legume and its microsymbiont are insufficiently known, and often no response is observed after inoculation of this crop. Recently, Rhizobium spp, such as R.tropici IIB, which nodilate a wide variety of tropical legumes, were indentified. These strains maintain their good symbiotic properties, even at the adverse environmental conditions frequently encountered in tropical soils (Martinez-Romero et al., 1991; Hungria et al., 1993), and consequently, appear promising as commercial inoculant for beans. In this work, the competitive....... MenosInoculation of legumes with superior nitrogen fixing rhizobia does not always result in the desired increase because of the failure of the inoculation strain to occupy a significant proportion of the nodules. The introduced inoculant strains have to compete with the indiginous, often ineffective nitrogen fixing, rhizobial population at different levels: after their adaptation and multiplication in the soil and host rhizosphere, these strains have to compete on the legume roots for infection sites and nodulation. Although the success of inoculation depends for a great extent on the ratio of inoculant to indigenous rhizobia, the intrinsic characteristics of these rhizobia, and their responses to many abiotic and biotic environmental factors also determine the outcome of inoculation. Common bean (Phaseolus vulgaris L.) is an important crop in Latin America, supplying about 20% of the protein intake per person (Van Rheenen, 1982). The factors which influence the interaction between this legume and its microsymbiont are insufficiently known, and often no response is observed after inoculation of this crop. Recently, Rhizobium spp, such as R.tropici IIB, which nodilate a wide variety of tropical legumes, were indentified. These strains maintain their good symbiotic properties, even at the adverse environmental conditions frequently encountered in tropical soils (Martinez-Romero et al., 1991; Hungria et al., 1993), and consequently, appear promising as commercial inoculant for bea... Mostrar Tudo |
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Palavras-Chave: |
Biological competition; Competitividade; FBN; Fixacao biologica de nitrogenio; Genetic; NBF; Nitrogen fixing bacteria; Rhizobium spp; Root nodulation. |
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Thesagro: |
Feijão; Genética; Leucaena Leucocephala; Nodulação; Phaseolus Vulgaris; Rizosfera; Trifolium Repens. |
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Thesaurus NAL: |
kidney beans; rhizosphere. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02626nam a2200361 a 4500
001 1622468
005 2012-06-22
008 1996 bl uuuu m 00u1 u #d
100 1 $aVLASSAK, K.
245 $aCompetitive nodulation of bean (Phaseolus vulgaris L.) Rhizobium spp. with a broad host range$bfield studies and genetic analysis.
260 $aLeuven: Kstholieke Universiteit Leuven, Fev. 1996.$c1996
300 $a204p.
490 $aTese de Doutorado.
500 $aTese de Doutorado: Orientada por: J. Vanderleyden, Avilio Antonio Franco.
520 $aInoculation of legumes with superior nitrogen fixing rhizobia does not always result in the desired increase because of the failure of the inoculation strain to occupy a significant proportion of the nodules. The introduced inoculant strains have to compete with the indiginous, often ineffective nitrogen fixing, rhizobial population at different levels: after their adaptation and multiplication in the soil and host rhizosphere, these strains have to compete on the legume roots for infection sites and nodulation. Although the success of inoculation depends for a great extent on the ratio of inoculant to indigenous rhizobia, the intrinsic characteristics of these rhizobia, and their responses to many abiotic and biotic environmental factors also determine the outcome of inoculation. Common bean (Phaseolus vulgaris L.) is an important crop in Latin America, supplying about 20% of the protein intake per person (Van Rheenen, 1982). The factors which influence the interaction between this legume and its microsymbiont are insufficiently known, and often no response is observed after inoculation of this crop. Recently, Rhizobium spp, such as R.tropici IIB, which nodilate a wide variety of tropical legumes, were indentified. These strains maintain their good symbiotic properties, even at the adverse environmental conditions frequently encountered in tropical soils (Martinez-Romero et al., 1991; Hungria et al., 1993), and consequently, appear promising as commercial inoculant for beans. In this work, the competitive.......
650 $akidney beans
650 $arhizosphere
650 $aFeijão
650 $aGenética
650 $aLeucaena Leucocephala
650 $aNodulação
650 $aPhaseolus Vulgaris
650 $aRizosfera
650 $aTrifolium Repens
653 $aBiological competition
653 $aCompetitividade
653 $aFBN
653 $aFixacao biologica de nitrogenio
653 $aGenetic
653 $aNBF
653 $aNitrogen fixing bacteria
653 $aRhizobium spp
653 $aRoot nodulation
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