Data/hora: 29/05/2024 15:17:32

Biblioteca(s): | Embrapa Agroenergia.
Data corrente: | 04/12/2013
Data da última atualização: | 21/09/2017
Autoria: | ALVES, A. A.; BHERING. L. L.; ROSADO, T. B.; LAVIOLA, B. G.; FORMIGHIERI, E. F.; CRUZ, C. D.
Afiliação: | ALEXANDRE ALONSO ALVES, CNPAE; Leonardo Lopes Bhering, UFV; Tatiana Barbosa Rosado; BRUNO GALVEAS LAVIOLA, CNPAE; EDUARDO FERNANDES FORMIGHIERI, CNPAE; Cosme Damião Cruz, UFV.
Título: | Joint analysis of phenotypic and molecular diversity provides new insights on the genetic variability of the Brazilian physic nut germplasm bank.
Ano de publicação: | 2013
Fonte/Imprenta: | Genetics and Molecular Biology, v. 36, n. 3, p. 371-381, 2013.
DOI: | 10.1590/S1415-47572013005000033
Idioma: | Inglês
Conteúdo: | The genetic variability of the Brazilian physic nut (Jatropha curcas ) germplasm bank (117 accessions) was assessed using a combination of phenotypic and molecular data. The joint dissimilarity matrix showed moderate correlation with the original matrices of phenotypic and molecular data. However, the correlation between the phenotypic dis -similarity matrix and the genotypic dissimilarity matrix was low. This finding indicated that molecular markers (RAPD and SSR) did not adequately sample the genomic regions that were relevant for phenotypic differentiation of the ac -cessions. The dissimilarity values of the joint dissimilarity matrix were used to measure phenotypic + molecular diver -sity. This diversity varied from 0 to 1.29 among the 117 accessions, with an average dissimilarity among genotypes of 0.51. Joint analysis of phenotypic and molecular diversity indicated that the genetic diversity of the physic nut germplasm was 156% and 64% higher than the diversity estimated from phenotypic and molecular data, respec- tively. These results show that Jatropha genetic variability in Brazil is not as limited as previously thougth.
Palavras-Chave: | Jatropha curcas L; Molecular variability; Phenotypic variability.
Categoria do assunto: | --
Registro original: | Embrapa Agroenergia (CNPAE)
Exemplares: | CNPAE - (2330-1) - UPC - AP - DD -  -  -  - DIS