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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
24/08/1995 |
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Data da última atualização: |
24/08/1995 |
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Autoria: |
BURT, R. L.; ISBELL, R. F.; WILLIAMS, W. T. |
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Título: |
Strategy of evaluation of a collection of tropical herbaceous legumes from Brazil and Venezuela. I.Ecological evaluation at the point of collection. |
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Ano de publicação: |
1979 |
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Fonte/Imprenta: |
Agro-Ecosystems, v.5, n.2, p.99-117, Mar.1979. |
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Idioma: |
Inglês |
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Conteúdo: |
Evaluation of a new plant accession begins at the moment of collection, by an ecological study of the accession in its native habitat. In a search for suitable legumes for pastures in
the dry tropics of Australia, plants were collected from regions with comparable climates in
Brazil and Venezuela. Environmental data were collected for all accessions, particular at-
tention being paid to soil characteristics; numerical methods of classification and ordina-
tion were used to simplify the data so obtained. Within any given geographical region, dis-
tribution is shown to be closely related to climate and soil, soil mineral level being of par-
ticular importance. It has been possible to characterize the ecological amplitude of the
species collected, and thus to make tentative predictions as to the areas of Australia to
which they might be adapted. It is submitted that studies of this type are likely to be of va-
lue in the collection, evaluation and utilization of genetic resources. |
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Palavras-Chave: |
Avaliacao ecologica; Ecological evaluation; Legume hervaceo tropical; Tropical herbaceous legumes. |
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Categoria do assunto: |
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Marc: |
LEADER 01633naa a2200193 a 4500
001 1785816
005 1995-08-24
008 1979 bl --- 0-- u #d
100 1 $aBURT, R. L.
245 $aStrategy of evaluation of a collection of tropical herbaceous legumes from Brazil and Venezuela. I.Ecological evaluation at the point of collection.
260 $c1979
520 $aEvaluation of a new plant accession begins at the moment of collection, by an ecological study of the accession in its native habitat. In a search for suitable legumes for pastures in the dry tropics of Australia, plants were collected from regions with comparable climates in Brazil and Venezuela. Environmental data were collected for all accessions, particular at- tention being paid to soil characteristics; numerical methods of classification and ordina- tion were used to simplify the data so obtained. Within any given geographical region, dis- tribution is shown to be closely related to climate and soil, soil mineral level being of par- ticular importance. It has been possible to characterize the ecological amplitude of the species collected, and thus to make tentative predictions as to the areas of Australia to which they might be adapted. It is submitted that studies of this type are likely to be of va- lue in the collection, evaluation and utilization of genetic resources.
653 $aAvaliacao ecologica
653 $aEcological evaluation
653 $aLegume hervaceo tropical
653 $aTropical herbaceous legumes
700 1 $aISBELL, R. F.
700 1 $aWILLIAMS, W. T.
773 $tAgro-Ecosystems$gv.5, n.2, p.99-117, Mar.1979.
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Embrapa Pantanal (CPAP) |
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