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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura; Embrapa Tabuleiros Costeiros. |
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Data corrente: |
24/05/1993 |
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Data da última atualização: |
20/08/1998 |
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Autoria: |
AMES, R. N.; THIAGARAJAN, T. R.; AHMAD, M. H.; McLAUGHLIN, W. A. |
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Título: |
Co-selection of compatible rhizobia and vesicular-arbuscular mycorrhizal fungi for cowpea in sterilized and non-sterilized soils. |
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Ano de publicação: |
1991 |
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Fonte/Imprenta: |
Biology and Fertility of Soil, v.12, p.112-116, 1991. |
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Idioma: |
Inglês |
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Conteúdo: |
We selected two isolates of Rhizobium for cowpea (Vigna unguiculata) with sterilized soil tests and two different isolates by non-sterilized soil testing. The four rhizobia were then paired individually with either Glomus pallidum, Glomus aggregatum, or Sclerocystis microcarpa in separate, sterilized, or non-sterilized soil experiments. The purpose of the experiments was to determine the effect of soil sterilization on the selection of effective cowpea rhizobia, and to see whether these rhizobia differed in their effects on cowpea growth when paired with various vesicular-arbuscular mycorrhizal (VAN) fungi. Our experiments showed that rhizobia selected in sterilized soil tests produced few growh responses in the cowpea compared to the other introduced rhizobia, irrespetive of pairing with VAM fungi in sterilized or non-sterilized soi. In contrast, the two rhizobia initially selected by non-sterilized soil, especialy when paired with G. pallidum. Our results suggest that it is important to select for effective rhizobia in non-sterilized soil, and that pairing these rhizobia with specific, coselected VAM fungi can significantly improve the legume growth response. |
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Palavras-Chave: |
Co-selection; Cowpea; Effective cowpea rhizobia; Fungo micorrizico; Glomus pallidum; Sclerocystis microcarpa. |
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Thesagro: |
Esterilização; Glomus Aggregatum; Solo; Vigna Unguiculata. |
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Thesaurus Nal: |
mycorrhizal fungi; soil sterilization; vesicular arbuscular mycorrhizae. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02120naa a2200313 a 4500
001 1369889
005 1998-08-20
008 1991 bl --- 0-- u #d
100 1 $aAMES, R. N.
245 $aCo-selection of compatible rhizobia and vesicular-arbuscular mycorrhizal fungi for cowpea in sterilized and non-sterilized soils.
260 $c1991
520 $aWe selected two isolates of Rhizobium for cowpea (Vigna unguiculata) with sterilized soil tests and two different isolates by non-sterilized soil testing. The four rhizobia were then paired individually with either Glomus pallidum, Glomus aggregatum, or Sclerocystis microcarpa in separate, sterilized, or non-sterilized soil experiments. The purpose of the experiments was to determine the effect of soil sterilization on the selection of effective cowpea rhizobia, and to see whether these rhizobia differed in their effects on cowpea growth when paired with various vesicular-arbuscular mycorrhizal (VAN) fungi. Our experiments showed that rhizobia selected in sterilized soil tests produced few growh responses in the cowpea compared to the other introduced rhizobia, irrespetive of pairing with VAM fungi in sterilized or non-sterilized soi. In contrast, the two rhizobia initially selected by non-sterilized soil, especialy when paired with G. pallidum. Our results suggest that it is important to select for effective rhizobia in non-sterilized soil, and that pairing these rhizobia with specific, coselected VAM fungi can significantly improve the legume growth response.
650 $amycorrhizal fungi
650 $asoil sterilization
650 $avesicular arbuscular mycorrhizae
650 $aEsterilização
650 $aGlomus Aggregatum
650 $aSolo
650 $aVigna Unguiculata
653 $aCo-selection
653 $aCowpea
653 $aEffective cowpea rhizobia
653 $aFungo micorrizico
653 $aGlomus pallidum
653 $aSclerocystis microcarpa
700 1 $aTHIAGARAJAN, T. R.
700 1 $aAHMAD, M. H.
700 1 $aMcLAUGHLIN, W. A.
773 $tBiology and Fertility of Soil$gv.12, p.112-116, 1991.
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Registro original: |
Embrapa Tabuleiros Costeiros (CPATC) |
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