Gain from selection

Estimate of genetic gain in popcorn after cycles of phenotypic recurrent selection

H. J. Ematné, Nunes, J. A. R., Dias, K. O. G., Prado, P. E. R., Souza, J. C., Ematné, H. J., Nunes, J. A. R., Dias, K. O. G., Prado, P. E. R., and Souza, J. C., Estimate of genetic gain in popcorn after cycles of phenotypic recurrent selection, vol. 15, p. -, 2016.

Popcorn is widely consumed in Brazil, yet there are few breeding programs for this crop. Recurrent selection (RS) is a viable breeding alternative for popcorn; however, the gains achieved must be frequently checked. The aim of this study was to assess the effect of selection for grain type (round and pointed) after four cycles of phenotypic RS on the main agronomic traits of popcorn, to estimate the genetic gain achieved for the trait of expansion volume (EV), and to obtain estimates of phenotypic correlations for the main traits of the crop in the UFLA E and UFLA R populations.

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