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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
22/06/2015 |
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Data da última atualização: |
11/05/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
HUNGRIA, M.; NOGUEIRA, M. A.; ARAUJO, R. S. |
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Afiliação: |
MARIANGELA HUNGRIA DA CUNHA, CNPSO; MARCO ANTONIO NOGUEIRA, CNPSO; RICARDO SILVA ARAUJO, TOTAL BIOTECNOLOGIA INDÚSTRIA E COMÉRCIO LTDA. |
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Título: |
Alternative methods of soybean inoculation to overcome adverse conditions at sowing. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
African Journal of Agricultural Research, v. 10, n. 23, p. 2329-2338, Jun. 2015. |
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ISSN: |
1991-637X |
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DOI: |
10.5897/AJAR2014.8687 |
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Idioma: |
Inglês |
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Conteúdo: |
Soybean growth in Brazil relies solely on biological fixation for nitrogen nutrition, However, the effective establishment of the symbiosis between plants and elite strains of Bradyrhizobium is jeopardized by current agricultural practices, such as seed treatment with pesticides that can be toxic to the bacteria. In addition, global climatic changes have altered temperature and rainfall patterns, which, in turn, may affect the early stages of the symbiosis and, consequently, nodulation, N2 fixation, and yield, especially when drought and high temperatures occur right after sowing. New technologies to improve nodulation and N2 fixation must be developed. In this study, we evaluated the effects of spraying diluted inoculants towards the seeds at sowing, or on the soil-root interface after seedling emergence on attributes relative to soybean N2 fixation and yield. Field experiments were set up at different locations, in a randomized block design according to standard Brazilian protocols. Inoculant application in the soil resulted in benefits for both nodulation and yield when plants faced adverse conditions at the initial stages of growth, and the inclusion of Azospirillum in co-inoculation with Bradyrhizobium also helped plants bypass initial adverse situations. The results also revealed that when adverse situations to nodulation occur, it may be possible to perform corrective inoculation by spraying diluted inoculant at sowing or after seedling emergence, even though some degree of yield loss may be expected. However, more information is necessary to establish inoculation frames. MenosSoybean growth in Brazil relies solely on biological fixation for nitrogen nutrition, However, the effective establishment of the symbiosis between plants and elite strains of Bradyrhizobium is jeopardized by current agricultural practices, such as seed treatment with pesticides that can be toxic to the bacteria. In addition, global climatic changes have altered temperature and rainfall patterns, which, in turn, may affect the early stages of the symbiosis and, consequently, nodulation, N2 fixation, and yield, especially when drought and high temperatures occur right after sowing. New technologies to improve nodulation and N2 fixation must be developed. In this study, we evaluated the effects of spraying diluted inoculants towards the seeds at sowing, or on the soil-root interface after seedling emergence on attributes relative to soybean N2 fixation and yield. Field experiments were set up at different locations, in a randomized block design according to standard Brazilian protocols. Inoculant application in the soil resulted in benefits for both nodulation and yield when plants faced adverse conditions at the initial stages of growth, and the inclusion of Azospirillum in co-inoculation with Bradyrhizobium also helped plants bypass initial adverse situations. The results also revealed that when adverse situations to nodulation occur, it may be possible to perform corrective inoculation by spraying diluted inoculant at sowing or after seedling emergence, even though some deg... Mostrar Tudo |
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Thesagro: |
Fixação de nitrogênio; Inoculante; Soja. |
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Thesaurus NAL: |
Nitrogen fixation; Soybeans. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/125665/1/Alternative-methods-of-soybean-inoculation-to.pdf
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Marc: |
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008 2015 bl uuuu u00u1 u #d
022 $a1991-637X
024 7 $a10.5897/AJAR2014.8687$2DOI
100 1 $aHUNGRIA, M.
245 $aAlternative methods of soybean inoculation to overcome adverse conditions at sowing.$h[electronic resource]
260 $c2015
520 $aSoybean growth in Brazil relies solely on biological fixation for nitrogen nutrition, However, the effective establishment of the symbiosis between plants and elite strains of Bradyrhizobium is jeopardized by current agricultural practices, such as seed treatment with pesticides that can be toxic to the bacteria. In addition, global climatic changes have altered temperature and rainfall patterns, which, in turn, may affect the early stages of the symbiosis and, consequently, nodulation, N2 fixation, and yield, especially when drought and high temperatures occur right after sowing. New technologies to improve nodulation and N2 fixation must be developed. In this study, we evaluated the effects of spraying diluted inoculants towards the seeds at sowing, or on the soil-root interface after seedling emergence on attributes relative to soybean N2 fixation and yield. Field experiments were set up at different locations, in a randomized block design according to standard Brazilian protocols. Inoculant application in the soil resulted in benefits for both nodulation and yield when plants faced adverse conditions at the initial stages of growth, and the inclusion of Azospirillum in co-inoculation with Bradyrhizobium also helped plants bypass initial adverse situations. The results also revealed that when adverse situations to nodulation occur, it may be possible to perform corrective inoculation by spraying diluted inoculant at sowing or after seedling emergence, even though some degree of yield loss may be expected. However, more information is necessary to establish inoculation frames.
650 $aNitrogen fixation
650 $aSoybeans
650 $aFixação de nitrogênio
650 $aInoculante
650 $aSoja
700 1 $aNOGUEIRA, M. A.
700 1 $aARAUJO, R. S.
773 $tAfrican Journal of Agricultural Research$gv. 10, n. 23, p. 2329-2338, Jun. 2015.
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