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Genetic parameters of traits at the juvenile stage of different assai palm tree progenies PAB
Navegantes,Patricia Cardoso Andrade; Oliveira,Maria do Socorro Padilha de; Nunes,José Airton Rodrigues.
Abstract: The objective of this work was to estimate genetic parameters of traits at the juvenile stage of different assai palm (Euterpe oleracea) tree progenies, as well as to select among and within the most promising for fruit production. A total of 34 half-sib and 16 full-sib progenies were evaluated in a completely randomized design with eight replicates and one plant per plot. Nine traits were measured in five harvests, and the data were analyzed using the mixed model approach. The genetic variance was significant for most of the traits. Progeny-mean heritabilities showed moderate magnitudes, ranging from 51% for number of dead leaves to 59% for leaf sheath length. In general, the genetic correlations were positive and had magnitudes varying from...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Euterpe oleracea; Full-sib; Genetic correlation; Half-sib; Heritability; Mixed models; Selection gain.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000700815
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Heterosis in sweet sorghum PAB
Lombardi,Gabrielle Maria Romeiro; Navegantes,Patricia Cardoso Andrade; Pereira,Carlos Henrique; Fonseca,Jales Mendes Oliveira; Parrella,Rafael Augusto da Costa; Castro,Fernanda Maria Rodrigues; Rocha,Mara Jane da; Ornelas,Daniela Oliveira; Bruzi,Adriano Teodoro; Nunes,José Airton Rodrigues.
Abstract: The objective of this work was to evaluate the potential per se of male-sterile and fertility-restorer lines of sweet sorghum (Sorghum bicolor), as well as to detail the heterosis manifested for some traits directly or indirectly related to ethanol production, accumulation rate, and predictability. Evaluations were performed for 20 genotypes, of which 4 are fertility-restorer lines (R), 3 are male-sterile lines (A), and 12 are experimental hybrids (H) resulting from the partial diallel cross between lines A and R, besides a commercial hybrid CV198 used as a check, in four harvest seasons. The experiments were carried out in the municipalities of Lavras and Sete Lagoas, in the state of Minas Gerais, Brazil. The measured traits were plant height,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Sorghum bicolor; Diallel; Hybrid vigor; Male-sterility; Parental selection.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000500593
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