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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
18/10/1994 |
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Data da última atualização: |
30/03/2005 |
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Autoria: |
YOKOYAMA, M.; NAKANO, O. |
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Título: |
Estudo da ação de repelência do extrato de raiz de Taiuiá sobre o ácaro rajado Tetranychus urticae (Acari: tetranychidae). |
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Ano de publicação: |
1988 |
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Fonte/Imprenta: |
In: SEMINÁRIO SOBRE PRAGAS E DOENÇAS DO FEIJOEIRO, 3., 1988, Piracicaba. Anais. Piracicaba: ESALQ, 1988. |
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Páginas: |
p. 13. |
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Idioma: |
Português |
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Palavras-Chave: |
Taiuiá. |
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Thesagro: |
Ácaro Rajado; Feijão; Phaseolus Vulgaris; Raiz; Tetranychus Urticae. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00659naa a2200205 a 4500
001 1197601
005 2005-03-30
008 1988 bl uuuu u00u1 u #d
100 1 $aYOKOYAMA, M.
245 $aEstudo da ação de repelência do extrato de raiz de Taiuiá sobre o ácaro rajado Tetranychus urticae (Acari$btetranychidae).
260 $c1988
300 $ap. 13.
650 $aÁcaro Rajado
650 $aFeijão
650 $aPhaseolus Vulgaris
650 $aRaiz
650 $aTetranychus Urticae
653 $aTaiuiá
700 1 $aNAKANO, O.
773 $tIn: SEMINÁRIO SOBRE PRAGAS E DOENÇAS DO FEIJOEIRO, 3., 1988, Piracicaba. Anais. Piracicaba: ESALQ, 1988.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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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: |
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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Circulação/Nível: |
A - 1 |
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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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