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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados; Embrapa Pantanal. |
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Data corrente: |
25/08/1995 |
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Data da última atualização: |
15/04/1997 |
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Autoria: |
MIRANDA, J. C. C. de; HARRIS, P. J.; WILD, A. |
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Título: |
Effects of soil and plant phosphorus concentration on vesicular - arbuscular mycorrhiza in Sorghum plants. |
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Ano de publicação: |
1989 |
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Fonte/Imprenta: |
New Phytologist, v.112, p.405-410, 1989. |
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Idioma: |
Inglês |
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Conteúdo: |
The effect of soil and plant phosphorus (P) on mycorrhiza was studied using a aplit-root technique. In this experiment, sorghum (Sorghum bicolor (L.) Moench.) plants inoculated with the vesicular-arbuscular (VA) mycorrhizal fungus Glomus macrocarpum (TUL. & TUL.), were subjected simultaneously to low and high phosphate concentrations applied to a phosphorus deficient Brazilian Dark Red Latosol. Phosphorus was translocated from one half of the roots system to the other. When additions of P were made to the soil, mycorrhizal infection, spore numbers and external hyphae increased compared with the unsupplemented soil. Translocation of phosphorus into roots growing in unsupplemented soil had little effect on percentage root infection, spore number or external...hyphae in that compartment although infected root length increased slightly. In the treatment where soil P and plant P were high, percentage root infection and external hyphal growth were both similarly recuced. In the high phosphate treatments although percentage root infection was reduced, the total length of mycorrhizal root was not affected by phosphate fertilization. |
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Palavras-Chave: |
Brasil; Efeito; Effect; Micorriza vesicular-arbuscular; Mycorrhiza; Plant; Vesicular-arbuscular mycorrhizae. |
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Thesagro: |
Cerrado; Fósforo; Glomus Macrocarpum; Planta; Solo; Sorghum Bicolor; Sorgo. |
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Thesaurus Nal: |
Brazil; phosphorus; soil. |
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Categoria do assunto: |
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Marc: |
LEADER 02041naa a2200349 a 4500
001 1552703
005 1997-04-15
008 1989 bl --- 0-- u #d
100 1 $aMIRANDA, J. C. C. de
245 $aEffects of soil and plant phosphorus concentration on vesicular - arbuscular mycorrhiza in Sorghum plants.
260 $c1989
520 $aThe effect of soil and plant phosphorus (P) on mycorrhiza was studied using a aplit-root technique. In this experiment, sorghum (Sorghum bicolor (L.) Moench.) plants inoculated with the vesicular-arbuscular (VA) mycorrhizal fungus Glomus macrocarpum (TUL. & TUL.), were subjected simultaneously to low and high phosphate concentrations applied to a phosphorus deficient Brazilian Dark Red Latosol. Phosphorus was translocated from one half of the roots system to the other. When additions of P were made to the soil, mycorrhizal infection, spore numbers and external hyphae increased compared with the unsupplemented soil. Translocation of phosphorus into roots growing in unsupplemented soil had little effect on percentage root infection, spore number or external...hyphae in that compartment although infected root length increased slightly. In the treatment where soil P and plant P were high, percentage root infection and external hyphal growth were both similarly recuced. In the high phosphate treatments although percentage root infection was reduced, the total length of mycorrhizal root was not affected by phosphate fertilization.
650 $aBrazil
650 $aphosphorus
650 $asoil
650 $aCerrado
650 $aFósforo
650 $aGlomus Macrocarpum
650 $aPlanta
650 $aSolo
650 $aSorghum Bicolor
650 $aSorgo
653 $aBrasil
653 $aEfeito
653 $aEffect
653 $aMicorriza vesicular-arbuscular
653 $aMycorrhiza
653 $aPlant
653 $aVesicular-arbuscular mycorrhizae
700 1 $aHARRIS, P. J.
700 1 $aWILD, A.
773 $tNew Phytologist$gv.112, p.405-410, 1989.
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Embrapa Cerrados (CPAC) |
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