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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. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
14/03/2012 |
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Data da última atualização: |
26/07/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ZANGARO, W.; ALVES, R. A.; LESCANO, L. E.; ANSANELO, A. P.; NOGUEIRA, M. A. |
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Afiliação: |
WALDEMAR ZANGARO, UEL; RICARDO A. ALVES, UEL; LUIZ E. LESCANO, UEL; ADRIELLY P. ANSANELO, UEL; MARCO ANTONIO NOGUEIRA, CNPSO. |
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Título: |
Investment in fine roots and arbuscular mycorrhizal fungi decrease during succession in three brazilian ecosystems. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Biotropica, Washington, DC, v. 44, n. 2, p. 141-150, Marc. 2012. |
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DOI: |
10.1111/j.1744-7429.2011.00781.x |
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Idioma: |
Inglês |
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Conteúdo: |
The functional groups of plants that characterize different phases of succession are expected to show differences in root distribution, fine?root traits and degrees of association with arbuscular mycorrhizal (AM) fungi. The relationship involving fine?root traits and AM fungi that regulate the nutrient acquisition potential among different plant functional groups are still not well understood. We assessed fine?root morphology, AM fungal variables and soil fertility in grassland, secondary forest and mature forest in Atlantic, Araucaria and Pantanal ecosystems in Brazil. Soil cores were collected at 0?10 and 10?20 cm depths. Fine roots were extracted from soil by sieving and root morphological traits and AM colonization were determined. The AM spores were extracted from soil and counted. In all ecosystems, soil fertility, fine?root mass and root diameter increased with the succession, while root length, specific root length, root?hair length, root?hair incidence, AM colonization and AM spore density decreased. These results suggest that plant species from early stages of tropical succession with inherent rapid growth invest in fine roots and maintain a high degree of AM colonization in order to increase the capacity for nutrient acquisition. Conversely, fine root morphological characteristics and low degree of AM colonization exhibited by plants of the later stages of succession lead toward a low nutrient uptake capacity that combine with their typical low growth rates. |
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Thesagro: |
Micorriza. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02121naa a2200193 a 4500
001 1918819
005 2017-07-26
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1111/j.1744-7429.2011.00781.x$2DOI
100 1 $aZANGARO, W.
245 $aInvestment in fine roots and arbuscular mycorrhizal fungi decrease during succession in three brazilian ecosystems.$h[electronic resource]
260 $c2012
520 $aThe functional groups of plants that characterize different phases of succession are expected to show differences in root distribution, fine?root traits and degrees of association with arbuscular mycorrhizal (AM) fungi. The relationship involving fine?root traits and AM fungi that regulate the nutrient acquisition potential among different plant functional groups are still not well understood. We assessed fine?root morphology, AM fungal variables and soil fertility in grassland, secondary forest and mature forest in Atlantic, Araucaria and Pantanal ecosystems in Brazil. Soil cores were collected at 0?10 and 10?20 cm depths. Fine roots were extracted from soil by sieving and root morphological traits and AM colonization were determined. The AM spores were extracted from soil and counted. In all ecosystems, soil fertility, fine?root mass and root diameter increased with the succession, while root length, specific root length, root?hair length, root?hair incidence, AM colonization and AM spore density decreased. These results suggest that plant species from early stages of tropical succession with inherent rapid growth invest in fine roots and maintain a high degree of AM colonization in order to increase the capacity for nutrient acquisition. Conversely, fine root morphological characteristics and low degree of AM colonization exhibited by plants of the later stages of succession lead toward a low nutrient uptake capacity that combine with their typical low growth rates.
650 $aMicorriza
700 1 $aALVES, R. A.
700 1 $aLESCANO, L. E.
700 1 $aANSANELO, A. P.
700 1 $aNOGUEIRA, M. A.
773 $tBiotropica, Washington, DC$gv. 44, n. 2, p. 141-150, Marc. 2012.
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Embrapa Soja (CNPSO) |
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| 2. |  | CECCON, G.; ROCHA, L. M. P.; FONSECA, I. C.; NETO, A. L. N.; SEREIA, R. C. Avaliação de cultivares de milho na safra 2009/2010, em Dourados, MS. In: CONGRESSO NACIONAL DE MILHO E SORGO, 28.; SIMPÓSIO BRASILEIRO SOBRE A LAGARTA DO CARTUCHO, 4., 2010, Goiânia. Potencialidades, desafios e sustentabilidade: resumos expandidos... Sete Lagoas: ABMS, 2010. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 3. | | CECCON, G.; ROCHA, L. M. P. da; FONSECA, I. C.; NETO NETO, A. L.; SEREIRA, R. C. Avaliação de cultivares superprecoces de milho na safra 2009/2010, em Dourados, MS. In: CONGRESSO NACIONAL DE MILHO E SORGO, 28.; SIMPÓSIO BRASILEIRO SOBRE A LAGARTA DO CARTUCHO, 4., 2010, Goiânia. Potencialidades, desafios e sustentabilidade: resumos expandidos... Sete Lagoas: ABMS, 2010. 1 CD-ROM.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 4. | | LUIZ NETO, A.; CECCON, G.; FONSECA, I. C.; SEREIA, R. C.; SILVA, J. F. da; ROCHA, L. M. P. da. Cultivares de milho safrinha de ciclo precoce e normal, em Mato Grosso do Sul, 2010. In: SEMINÁRIO NACIONAL DE MILHO SAFRINHA, 11, 2011, Lucas do Rio Verde, MT. Anais. Lucas do Rio Verde: Fundação Rio Verde, 2011. p. 197-204.| Tipo: Artigo em Anais de Congresso |
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