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Response to the selection in the 11th cycle of reciprocal recurrent selection among full-sib families of maize - doi: 10.4025/actasciagron.v35i4.17489 Agronomy
Berilli, Ana Paula Cândido Gabriel; Instituto Federal do Espírito Santo; Pereira, Messias Gonzaga; Universidade Estadual do Norte Fluminense Darcy Ribeiro; Trindade, Roberto dos Santos; Instituto Capixaba de Pesquisa; da Costa, Fabiane Rabelo; Instituto Nacional do Semiárido (INSA/MCTI); Cunha, Keila Silva da; Universidade Estadual do Norte Fluminense Darcy Ribeiro.
The continuous gains in cycles of recurrent selection have raised disagreement among researchers. Two hundred and forty-two full-sib families were obtained from CIMMYT and Piranão populations and evaluated in a simple lattice design in two environments to estimate the response to selection in the 11th cycle of the UENF reciprocal recurrent selection program. No genotype x environment interaction was observed for most of the traits evaluated, indicating that a single recurrent selection program can be conducted for both sites. The population studied exhibited wide genotypic variability and heritability estimates ranged from 33 to 73%, indicating prospects of selection gain for the following cycles. The predicted genetic gain in yield was 12.90%. It is...
Tipo: Pesquisa Empírica de Campo Palavras-chave: 5.01.03.05-9 genetic gains; Selection index; Interpopulation hybrids; Longevity of recurrent selection Melhoramento Vegetal.
Ano: 2013 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17489
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