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Registro Completo |
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Biblioteca(s): |
Embrapa Hortaliças; Embrapa Semiárido. |
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Data corrente: |
14/03/2012 |
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Data da última atualização: |
06/07/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BORGES, R. M. E.; RESENDE, G. M. de; LIMA, M. A. C. de; DIAS, R. de C. S.; LUBARINO, P. C. da C.; OLIVEIRA, R. C. DA S.; GONÇALVES N. P. da S. |
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Afiliação: |
RITA MERCIA ESTIGARRIBIA B FAUSTINO, CPATSA; GERALDO MILANEZ DE RESENDE, CPATSA; MARIA AUXILIADORA COELHO DE LIMA, CPATSA; RITA DE CASSIA SOUZA DIAS, CPATSA; PALOMA CLEMENTINO DA C. LUBARINO, Bolsista CNPq; REGINA CÉLIA DA S. OLIVEIRA, UPE; NADJA POLLYANNA DA S. GONÇALVES, Bolsista FACEPE. |
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Título: |
Phenotypic variability among pumpkin accessions in the Brazilian Semiarid. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Horticultura Brasileira, v. 29, n. 4, p. 461-464, out./dez. 2011. |
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Idioma: |
Inglês |
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Conteúdo: |
The aim of this study was to estimate the phenotypic divergence among fourteen pumpkins accessions of the cucurbits Germplasm Active Bank of Embrapa Semiárido, in order to support breeding program to these species. Nine morphoagronomic descriptors were analyzed by the principal components and by UPGMA techniques. In the analysis of principal components, the formation of three contrasting clusters was observed, each one composed of two accessions. There occurred also the formation of one core group composed of five accessions, being the accessions called 683 and 684 collected in Bahia and the other in Maranhão. The most divergent accessions were 620, 624 and 748. The variables of the greatest contribution to the genetic divergence were diameter, weight and average length of the fruit. In the UPGMA analysis, obtained from the symmetric matrices generated by the Mahalanobis distance for the nine descriptors, there was the formation of one core group, composed of ten accessions, whose similarity was 45.71%, with geographically divergent accessions presenting the greatest similarity. Three accessions were not clustered with others. The study identified phenotypic variability for the analyzed characters and the absence of relationship between place of collection and phenotypic diversity. |
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Palavras-Chave: |
Caracterização de germoplasma; Descritor morfológico; Descritores de frutos; Divergência fenotípica; Recursos genéticos; Variabilidade genética. |
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Thesagro: |
Abóbora; Cucúrbita Moschata; Germoplasma. |
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Thesaurus Nal: |
Genetic resources; Plant genetic resources; Pumpkins. |
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Categoria do assunto: |
--
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1154819/1/Phenotypic-variability-among-pumpkin-accessions-in-the-Brazilian-Semiarid-2011.pdf
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Marc: |
LEADER 02317naa a2200337 a 4500
001 2154819
005 2023-07-06
008 2011 bl uuuu u00u1 u #d
100 1 $aBORGES, R. M. E.
245 $aPhenotypic variability among pumpkin accessions in the Brazilian Semiarid.
260 $c2011
520 $aThe aim of this study was to estimate the phenotypic divergence among fourteen pumpkins accessions of the cucurbits Germplasm Active Bank of Embrapa Semiárido, in order to support breeding program to these species. Nine morphoagronomic descriptors were analyzed by the principal components and by UPGMA techniques. In the analysis of principal components, the formation of three contrasting clusters was observed, each one composed of two accessions. There occurred also the formation of one core group composed of five accessions, being the accessions called 683 and 684 collected in Bahia and the other in Maranhão. The most divergent accessions were 620, 624 and 748. The variables of the greatest contribution to the genetic divergence were diameter, weight and average length of the fruit. In the UPGMA analysis, obtained from the symmetric matrices generated by the Mahalanobis distance for the nine descriptors, there was the formation of one core group, composed of ten accessions, whose similarity was 45.71%, with geographically divergent accessions presenting the greatest similarity. Three accessions were not clustered with others. The study identified phenotypic variability for the analyzed characters and the absence of relationship between place of collection and phenotypic diversity.
650 $aGenetic resources
650 $aPlant genetic resources
650 $aPumpkins
650 $aAbóbora
650 $aCucúrbita Moschata
650 $aGermoplasma
653 $aCaracterização de germoplasma
653 $aDescritor morfológico
653 $aDescritores de frutos
653 $aDivergência fenotípica
653 $aRecursos genéticos
653 $aVariabilidade genética
700 1 $aRESENDE, G. M. de
700 1 $aLIMA, M. A. C. de
700 1 $aDIAS, R. de C. S.
700 1 $aLUBARINO, P. C. da C.
700 1 $aOLIVEIRA, R. C. DA S.
700 1 $aGONÇALVES N. P. da S.
773 $tHorticultura Brasileira$gv. 29, n. 4, p. 461-464, out./dez. 2011.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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