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Registro Completo |
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
28/10/2015 |
Data da última atualização: |
14/04/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
GOMES, E. A.; OLIVEIRA-PAIVA, C. A.; LANA, U. G. P.; NODA, R. W.; MARRIEL, I. E.; SOUZA, F. A. de. |
Afiliação: |
ELIANE APARECIDA GOMES, CNPMS; CHRISTIANE ABREU DE OLIVEIRA PAIVA, CNPMS; UBIRACI GOMES DE PAULA LANA, CNPMS; ROBERTO WILLIANS NODA, CNPMS; IVANILDO EVODIO MARRIEL, CNPMS; FRANCISCO ADRIANO DE SOUZA, CNPMS. |
Título: |
Arbuscular mycorrhizal fungal communities in the roots of maize lines contrasting for al tolerance grown in limed and non-limed Brazilian Oxisoil. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Journal of Microbiology and Biotechnology, Seoul, v. 25, n. 7, p. 978-987, 2015. |
DOI: |
http://dx.doi.org/10.4014/jmb.1408.08002 |
Idioma: |
Inglês |
Conteúdo: |
Aluminum (Al) toxicity is one of the greatest limitations to agriculture in acid soils, particularly in tropical regions. Arbuscular mycorrhizal fungi (AMF) can supply plants with nutrients and give protection against Al toxicity. The aim of this work was to evaluate the effects of soil liming (i.e., reducing Al saturation) on the AMF community composition and structure in the roots of maize lines contrasting for Al tolerance. To this end, we constructed four 18S rDNA cloning libraries from L3 (Al tolerant) and L22 (Al sensitive) maize lines grown in limed and non-limed soils. A total of 790 clones were sequenced, 69% belonging to the Glomeromycota phylum. The remaining sequences were from Ascomycota, which were more prominent in the limed soil, mainly in the L3 line. The most abundant AM fungal clones were related to the family Glomeraceae represented by the genera uncultured Glomus followed by Rhizophagus and Funneliformis. However, the most abundant operational taxonomic units with 27% of the Glomeromycota clones was affiliated to genus Racocetra. This genus was present in all the four libraries, but it was predominant in the non-limed soils, suggesting that Racocetra is tolerant to Al toxicity. Similarly, Acaulospora and Rhizophagus were also present mostly in both lines in non-limed soils. The community richness of AMF in the non-limed soils was higher than the limed soil for both lines. The results suggest that the soil Al saturation was the parameter that mostly influences the AMF species composition in the soils in this study. MenosAluminum (Al) toxicity is one of the greatest limitations to agriculture in acid soils, particularly in tropical regions. Arbuscular mycorrhizal fungi (AMF) can supply plants with nutrients and give protection against Al toxicity. The aim of this work was to evaluate the effects of soil liming (i.e., reducing Al saturation) on the AMF community composition and structure in the roots of maize lines contrasting for Al tolerance. To this end, we constructed four 18S rDNA cloning libraries from L3 (Al tolerant) and L22 (Al sensitive) maize lines grown in limed and non-limed soils. A total of 790 clones were sequenced, 69% belonging to the Glomeromycota phylum. The remaining sequences were from Ascomycota, which were more prominent in the limed soil, mainly in the L3 line. The most abundant AM fungal clones were related to the family Glomeraceae represented by the genera uncultured Glomus followed by Rhizophagus and Funneliformis. However, the most abundant operational taxonomic units with 27% of the Glomeromycota clones was affiliated to genus Racocetra. This genus was present in all the four libraries, but it was predominant in the non-limed soils, suggesting that Racocetra is tolerant to Al toxicity. Similarly, Acaulospora and Rhizophagus were also present mostly in both lines in non-limed soils. The community richness of AMF in the non-limed soils was higher than the limed soil for both lines. The results suggest that the soil Al saturation was the parameter that mostly influ... Mostrar Tudo |
Thesagro: |
Fungo; Micorriza; Milho. |
Categoria do assunto: |
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Marc: |
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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Registros recuperados : 5 | |
1. |  | RODRIGUES, H. M.; VASQUES, G. M.; LEMES, M. W.; ROSAS, R. O. Avaliação do escoamento superficial e da perda de solo sob diferentes coberturas e declividades em Silva Jardim, RJ. In: SIMPÓSIO BRASILEIRO DE GEOGRAFIA FÍSICA APLICADA, 16., 2015, Teresina. Territórios brasileiros: dinâmicas, potencialidades e vulnerabilidades: anais. Teresina: UESPI, 2015. p. 2797-2803.Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Solos. |
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2. |  | LEMES, M. W.; MACHADO, A. S.; VASQUES, G. M.; RODRIGUES, H. M.; LOPES, R. T.; ROSAS, R. O. Soil porosity differences among grass-covered and exposed soils measured by high resolution x-ray computed microtomography (microCT). In: CARVALHO JUNIOR, W. de; PINHEIRO, H. S. K.; CEDDIA, M. B.; VALLADARES, G. S. (ed.). Pedometrics in Brazil. Cham: Springer, 2024. p. 93-100. (Progress in Soil Science).Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Solos. |
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4. |  | LEMES, M.; MACHADO, A.; VASQUES, G. de M.; RODRIGUES, H. M.; LOPES, R. T.; ROSAS, R. O. Influence of soil cover on pore distribution in a Ferralsol evaluated by 3D computerized microCT. In: PEDOMETRICS BRAZIL, 2., 2021, Rio de Janeiro. Annals [...]. Rio de Janeiro: Embrapa Solos, 2022. Não paginado. Evento online.Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Solos. |
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5. |  | LEMES, M. W. A.; VASQUES, G. de M.; MACHADO, A. S.; RODRIGUES, H. M.; LOPES, R. T.; ROSAS, R. O. X-ray computed microtomography against retention curve for assessing porosity in Latossolos (Ferralsols) with contrasting vegetation cover. In: WORLD CONGRESS OF SOIL SCIENCE, 21., 2018, Rio de Janeiro. Soil science: beyond food and fuel: proceedings... Viçosa, MG: SBCS, 2019. v. 2, p. 19-20. WCSS 2018.Tipo: Resumo em Anais de Congresso |
Biblioteca(s): Embrapa Solos. |
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Registros recuperados : 5 | |
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