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Provedor de dados:  Repositório Alice
País:  Brazil
Título:  Genetic evaluation and selection in Jatropha curcas L.
Autores:  CARDOSO, P. M. R.
DIAS, L. A. dos S.
RESENDE, M. D. V. de
FREITAS, R. G. de
CORRÊA, T. R.
MUNIZ, D. R.
ZAIDAN, I. R.
Data:  2018-11-28
Ano:  2018
Palavras-chave:  Pinhão manso
Bioquerosene
Biokerosene
Genetic parameters
Grain yield and components
Physic nut
Jatropha Curcas
Parâmetro Genético
Biocombustível
Biodiesel
Variability
Biofuels
Resumo:  J. curcas (physic nut) is one of the most promising oilseeds for biofuel production and the knowledge about genetic parameter estimates is important for its breeding. Here, we evaluated 121 families, from 48 to 60 months of age, aiming genetic evaluation and selection. The trial was set up in an 11 x 11 lattice design, with three replications and 4-plant plot. The traits evaluated were fruit yield (FY), grain (GY) and oil yield (OY), fruit husk percentage (FH) and seed oil content (OC). Individual heritabilities were low (0.19 to 0.23), requiring accurate selection and improvement methods. Moderate repeatabilities were observed for FY (0.54), GY (0.52), OC (0.30) and OY (0.51), indicating that the families evaluated maintained relative superiority over the years. With selection of the 20 best individuals, the predicted genotypic gains (66%) were greater than the additive gains (56%), indicating greater possibilities of success from cultivation of clones.

bitstream/item/187178/1/2018-M.Deon-CBAB-Genetic-evaluation-Jatropha.pdf
Tipo:  Artigo em periódico indexado (ALICE)
Idioma:  Inglês
Identificador:  56593

http://www.alice.cnptia.embrapa.br/alice/handle/doc/1100217

10.1590/1984-70332018v18n2a27
Editor:  Crop Breeding and Applied Biotechnology, Viçosa, MG, v. 18, n. 2, p. 192-199, Apr./June 2018.
Relação:  Embrapa Florestas - Artigo em periódico indexado (ALICE)
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