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| 18. |  | ARAUJO, F. F. de; HUNGRIA, M. Comportamento a campo e casa de vegetacao de soja co-inoculada com Bacillus e Bradyrhizobium. In: SIMPOSIO BRASILEIRO SOBRE MICROBIOLOGIA DO SOLO, 3.; REUNIAO DE LABORATORIOS PARA RECOMENDACAO DE ESTIRPES DE RHIZOBIUM E BRADYRHIZOBIUM, 6., 1994, Londrina. Microbiologia do solo: desafios para o seculo XXI - anais. Londrina: IAPAR/EMBRAPA-CNPSo, 1995. p.456-468. Editado por Mariangela Hungria, Elcio Liborio Balota, Arnaldo Colozzi Filho, Diva de S. Andrade.| Biblioteca(s): Embrapa Soja. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
02/03/2006 |
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Data da última atualização: |
05/08/2017 |
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Autoria: |
ARAÚJO, F. F.; HENNING, A. A.; HUNGRIA, M. |
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Título: |
Phytohormones and antibiotics produced by Bacillus subtilis and their effects on seed pathogenic fungi and on soybean root development. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
World Journal of Microbiology and Biotechnology, Oxford, v. 21, n. 8/9, p. 1639-1645, Dec. 2006. |
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Idioma: |
Inglês |
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Conteúdo: |
Bacteria belonging to the genus Bacillus were isolated from soil samples of Paraná State, Brazil, with the aim of evaluating their potential biological control of soybean seed pathogens. Strain PRBS-1 was selected, showing similar effectiveness to that of the strain AP-3, used as a reference due to its known antibiotic potential. The sequencing of the ribosomal 16S rRNA gene confirmed that both strains belong to the species B. subtilis, although showing high genetic diversity in relation to this species. Both strains inhibited five soybean seed pathogenic fungi in vitro, Rhizoctonia solani, Colletotrichum truncatum, Sclerotinia sclerotiorum, Macrophomina phaseolina and Phomopsis sp. Furthermore, the metabolites of AP-3 increased production of root hairs, while the metabolites of PRBS-1 stimulated outgrowth of lateral roots in soybean. The antibiotic effect of both strains seemed to be related to compounds of the iturin group, while the root growth promotion by PRBS-1 was at least partially related to the production of indoleacetic acid. The results have shown the potential of using selected strains of B. subtilis in the biological control of seed pathogens, as well as in promoting soybean growth. |
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Thesagro: |
Controle Biológico; Doença de Planta; Fungo; Semente; Soja. |
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Categoria do assunto: |
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Marc: |
LEADER 01868naa a2200205 a 4500
001 1467718
005 2017-08-05
008 2006 bl --- 0-- u #d
100 1 $aARAÚJO, F. F.
245 $aPhytohormones and antibiotics produced by Bacillus subtilis and their effects on seed pathogenic fungi and on soybean root development.
260 $c2006
520 $aBacteria belonging to the genus Bacillus were isolated from soil samples of Paraná State, Brazil, with the aim of evaluating their potential biological control of soybean seed pathogens. Strain PRBS-1 was selected, showing similar effectiveness to that of the strain AP-3, used as a reference due to its known antibiotic potential. The sequencing of the ribosomal 16S rRNA gene confirmed that both strains belong to the species B. subtilis, although showing high genetic diversity in relation to this species. Both strains inhibited five soybean seed pathogenic fungi in vitro, Rhizoctonia solani, Colletotrichum truncatum, Sclerotinia sclerotiorum, Macrophomina phaseolina and Phomopsis sp. Furthermore, the metabolites of AP-3 increased production of root hairs, while the metabolites of PRBS-1 stimulated outgrowth of lateral roots in soybean. The antibiotic effect of both strains seemed to be related to compounds of the iturin group, while the root growth promotion by PRBS-1 was at least partially related to the production of indoleacetic acid. The results have shown the potential of using selected strains of B. subtilis in the biological control of seed pathogens, as well as in promoting soybean growth.
650 $aControle Biológico
650 $aDoença de Planta
650 $aFungo
650 $aSemente
650 $aSoja
700 1 $aHENNING, A. A.
700 1 $aHUNGRIA, M.
773 $tWorld Journal of Microbiology and Biotechnology, Oxford$gv. 21, n. 8/9, p. 1639-1645, Dec. 2006.
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