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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
16/05/1996 |
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Data da última atualização: |
16/05/1996 |
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Autoria: |
BURT, R. L.; WILLIAMS, W. T.; GILLARD, P.; PENGELLY, B. C. |
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Título: |
Variation within and between some perennial Urochloa species. |
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Ano de publicação: |
1980 |
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Fonte/Imprenta: |
Australian Journal of Botany, v.28, n.3, p.343-356, 1980. |
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Idioma: |
Inglês |
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Conteúdo: |
To explore the patterns of variation in a collection of perennial Urochloa species two spe- cies two spaced plant experiments were carried out. The first contained 65 of the 83 ac- cessions in the collection. The collection contained five named species. Simple agrono- mic and morphological data were recorded and various methods of numerical analysis we- re applied to the results. From the first experiment we find evidence for continuous varia- tion both within and between sone of the species. This limits the value of taxonomic cla- ssification and poses problems for communication between interested bodies. Pattern- seeking methods can be used to alleviate such probnlems by aiding in the delineation and descriptions of taxa. Data from experiments in successive years could not sensibly be combined and the implications of this and other results are discussed in relation to genetic resource programs and taxonomy. |
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Palavras-Chave: |
Grass; Pattern variation; Perennial Urochloa; Plant; Variacao de padrao. |
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Thesagro: |
Planta; Taxonomia. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01551naa a2200241 a 4500
001 1788375
005 1996-05-16
008 1980 bl --- 0-- u #d
100 1 $aBURT, R. L.
245 $aVariation within and between some perennial Urochloa species.
260 $c1980
520 $aTo explore the patterns of variation in a collection of perennial Urochloa species two spe- cies two spaced plant experiments were carried out. The first contained 65 of the 83 ac- cessions in the collection. The collection contained five named species. Simple agrono- mic and morphological data were recorded and various methods of numerical analysis we- re applied to the results. From the first experiment we find evidence for continuous varia- tion both within and between sone of the species. This limits the value of taxonomic cla- ssification and poses problems for communication between interested bodies. Pattern- seeking methods can be used to alleviate such probnlems by aiding in the delineation and descriptions of taxa. Data from experiments in successive years could not sensibly be combined and the implications of this and other results are discussed in relation to genetic resource programs and taxonomy.
650 $aPlanta
650 $aTaxonomia
653 $aGrass
653 $aPattern variation
653 $aPerennial Urochloa
653 $aPlant
653 $aVariacao de padrao
700 1 $aWILLIAMS, W. T.
700 1 $aGILLARD, P.
700 1 $aPENGELLY, B. C.
773 $tAustralian Journal of Botany$gv.28, n.3, p.343-356, 1980.
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Registro original: |
Embrapa Pantanal (CPAP) |
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| 4. |  | SILVEIRA, A. A.; SANTOS, C. E. E.; MELLO, S. C. M.; GRAZZIOTTI, P. H. Influência do fotoperíodo e pH na esporulação de Dicyma pulvinata. In: ENCONTRO DO TALENTO ESTUDANTIL DA EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA, 6., 2001, Brasília, DF. Anais: resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2001. p. 99.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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