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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental; Embrapa Pantanal; Embrapa Semiárido. |
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Data corrente: |
25/07/1995 |
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Data da última atualização: |
30/01/2008 |
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Autoria: |
LAL, R.; RUSSELL, E. W. ed. |
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Afiliação: |
International Institute of Tropical Agriculture (Ibadan, Nigeria); University of Reading. Department of Soil Science. |
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Título: |
Tropical agricultural hydrology: watershed management and land use. |
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Ano de publicação: |
1981 |
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Fonte/Imprenta: |
Chichester: J. Wiley & Sons, 1981. |
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Páginas: |
482p.il. |
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ISBN: |
0-471-27931-5 |
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Idioma: |
Inglês |
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Conteúdo: |
Watershed management in the tropics; Ecological conditions in a forest ecosystem; Change in Land-use and hydrological conditions; Management and catchment hydrology; Engineering Structures; Estimaging soil and water loss; Watershed modelling; Research and development needs. |
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Palavras-Chave: |
Regiao tropical. |
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Thesagro: |
Agricultura; Bacia Hidrográfica; Ecologia; Floresta; Hidrologia; Manejo. |
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Thesaurus Nal: |
Agriculture; hydrology; tropics. |
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Categoria do assunto: |
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K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 00935nam a2200265 a 4500
001 1799007
005 2008-01-30
008 1981 bl uuuu 00u1 u #d
020 $a0-471-27931-5
100 1 $aLAL, R.
245 $aTropical agricultural hydrology$bwatershed management and land use.
260 $aChichester: J. Wiley & Sons$c1981
300 $a482p.il.
520 $aWatershed management in the tropics; Ecological conditions in a forest ecosystem; Change in Land-use and hydrological conditions; Management and catchment hydrology; Engineering Structures; Estimaging soil and water loss; Watershed modelling; Research and development needs.
650 $aAgriculture
650 $ahydrology
650 $atropics
650 $aAgricultura
650 $aBacia Hidrográfica
650 $aEcologia
650 $aFloresta
650 $aHidrologia
650 $aManejo
653 $aRegiao tropical
700 1 $aRUSSELL, E. W. ed.
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Registro original: |
Embrapa Pantanal (CPAP) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
06/04/1999 |
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Data da última atualização: |
06/04/1999 |
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Autoria: |
DE SOUZA, F. A. de; BERBARA, R. L. L. |
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Título: |
Ontogeny of Glomus clarum in Ri T-DNA transformed roots. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Mycologia, New York, v. 91, n .2, p. 343-350, 1999. |
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Idioma: |
Inglês |
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Conteúdo: |
The spore ontogeny of Glomus clarum was monitored during the nonsymtiotic growth phase and after the colonization in transformed roots of clover (Trifolium repens) and carrot (Daucus carota). The germinated spore in water agar produced spore-like vesicles during the nonsymbiotic phase. It has been shown that these structures were in fact juvenile spores, that after root colonization were able to form mature spores. G. clarum began the spore formation in its nonsymbiotic phase. However, the juvenile spore structures senesced without establishment of an effective symbiosis. Spores of the genus Glomus are assumed to form terminally from sporogenic hyphae, but the ontogeny of G. clarum in transformed roots demonstrates that sporogenesis can also involve intercalary sporelike vesicles formed along the sporogenic hyphae. Using root organ culture system, all steps of spore formation can be followed in vivo without disturbing the system. This technique provides a better way to visualise events that occur during the pre- and postcolonization phase of arbuscular mycorrhiza, allowing the comprehension of full life cycle of this fungi. There are morphological variations in the ontogeny of G. clarum spores which differentiate its pattern from other Glomus species. |
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Thesagro: |
Micorriza Vesicular Arbuscular; Taxonomia. |
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Thesaurus NAL: |
taxonomy; vesicular arbuscular mycorrhizae. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01788naa a2200181 a 4500
001 1623829
005 1999-04-06
008 1999 bl --- 0-- u #d
100 1 $aDE SOUZA, F. A. de
245 $aOntogeny of Glomus clarum in Ri T-DNA transformed roots.
260 $c1999
520 $aThe spore ontogeny of Glomus clarum was monitored during the nonsymtiotic growth phase and after the colonization in transformed roots of clover (Trifolium repens) and carrot (Daucus carota). The germinated spore in water agar produced spore-like vesicles during the nonsymbiotic phase. It has been shown that these structures were in fact juvenile spores, that after root colonization were able to form mature spores. G. clarum began the spore formation in its nonsymbiotic phase. However, the juvenile spore structures senesced without establishment of an effective symbiosis. Spores of the genus Glomus are assumed to form terminally from sporogenic hyphae, but the ontogeny of G. clarum in transformed roots demonstrates that sporogenesis can also involve intercalary sporelike vesicles formed along the sporogenic hyphae. Using root organ culture system, all steps of spore formation can be followed in vivo without disturbing the system. This technique provides a better way to visualise events that occur during the pre- and postcolonization phase of arbuscular mycorrhiza, allowing the comprehension of full life cycle of this fungi. There are morphological variations in the ontogeny of G. clarum spores which differentiate its pattern from other Glomus species.
650 $ataxonomy
650 $avesicular arbuscular mycorrhizae
650 $aMicorriza Vesicular Arbuscular
650 $aTaxonomia
700 1 $aBERBARA, R. L. L.
773 $tMycologia, New York$gv. 91, n .2, p. 343-350, 1999.
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Embrapa Agrobiologia (CNPAB) |
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