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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
30/05/1996 |
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Data da última atualização: |
30/05/1996 |
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Autoria: |
THOMPSON, P. A.; SMITH, R. D.; DICKIE, J. B.; SANDERSON, R. H.; PROBERT, R. J. |
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Título: |
Collection and regeneration of populations of wild plants from seed. |
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Ano de publicação: |
1981 |
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Fonte/Imprenta: |
Biological Conservation, v.20, p.229-245, 1981. |
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Idioma: |
Inglês |
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Conteúdo: |
Four methods of obtaining seeds of wild species of plants for long-term conservation in gene Banks were compared. (a) From collections growing within botanic gardens; (b) by making sample collections from wild populations and bulking up stocks by regeneration under cultivation; (c) by making arrangements with external collectors; (d) by organising plant collecting expeditions. Collections from plants in botanic garderns were unsatisfactory material on which to base collections. Regeneration under cultivation depends on exp[ertise and knowledge of the plant's cultural requirements which were frequently not available, leading to unacceptably heavy losses of individuals and selection of populations, during cultivation. Collecting seeds directly from populations of wild plants was, scientifically, the most successful method and costings showed it also to be economically the least demanding of resources. The results suggest that, except in special cases - perhaps with rare plants where natural populations are small-every effort should be made to obtain initial collections of seed which are large enough to fulfil all the purpose intended by long-term conservation. Collections of small numbers of seeds which require bulking up before they can be used should be avoided, as a waste of effort, time and plant resources. |
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Palavras-Chave: |
Regeneration; Seed. |
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Thesagro: |
Planta Silvestre; População; Regeneração; Semente. |
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Thesaurus Nal: |
population; wild plants. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02014naa a2200265 a 4500
001 1788904
005 1996-05-30
008 1981 bl --- 0-- u #d
100 1 $aTHOMPSON, P. A.
245 $aCollection and regeneration of populations of wild plants from seed.
260 $c1981
520 $aFour methods of obtaining seeds of wild species of plants for long-term conservation in gene Banks were compared. (a) From collections growing within botanic gardens; (b) by making sample collections from wild populations and bulking up stocks by regeneration under cultivation; (c) by making arrangements with external collectors; (d) by organising plant collecting expeditions. Collections from plants in botanic garderns were unsatisfactory material on which to base collections. Regeneration under cultivation depends on exp[ertise and knowledge of the plant's cultural requirements which were frequently not available, leading to unacceptably heavy losses of individuals and selection of populations, during cultivation. Collecting seeds directly from populations of wild plants was, scientifically, the most successful method and costings showed it also to be economically the least demanding of resources. The results suggest that, except in special cases - perhaps with rare plants where natural populations are small-every effort should be made to obtain initial collections of seed which are large enough to fulfil all the purpose intended by long-term conservation. Collections of small numbers of seeds which require bulking up before they can be used should be avoided, as a waste of effort, time and plant resources.
650 $apopulation
650 $awild plants
650 $aPlanta Silvestre
650 $aPopulação
650 $aRegeneração
650 $aSemente
653 $aRegeneration
653 $aSeed
700 1 $aSMITH, R. D.
700 1 $aDICKIE, J. B.
700 1 $aSANDERSON, R. H.
700 1 $aPROBERT, R. J.
773 $tBiological Conservation$gv.20, p.229-245, 1981.
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Registro original: |
Embrapa Pantanal (CPAP) |
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| Registros recuperados : 5 | |
| 4. |  | MEDEIROS, A. C. S.; PROBERT, R.; SMITH, R. D.; SADER, R. Previsão de longevidade de sementes de aroeira (Myracroduon urundeuva Fr. All - Anacardiaceae), conservadas a longo prazo em bancos de germoplasma. Informativo ABRATES, Curitiba, v. 7, n. 1/2, p. 34, jul./ago. 1997. Edição de resumos do 10º Congresso Brasileiro de Sementes.| Biblioteca(s): Embrapa Florestas. |
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| Registros recuperados : 5 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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