K.O.G. Dias
Efficiency of selection per se and in single-cross hybrids for disease resistance in maize
Plant breeding strategies are constantly refined to increase efficiency during the selection process. Consequently, the aims of this study were to examine genetic control and efficiency of selection based on the per se performance of maize lines and based on hybrid performance in reaction to white spot, common rust, and ear rot diseases in maize breeding programs. W.. Read More»
Genet. Mol. Res. 16(3): gmr16039716
DOI: 10.4238/gmr16039716
Estimate of genetic gain in popcorn after cycles of phenotypic recurrent selection
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 .. Read More»
Genet. Mol. Res. 15(2): gmr.15026860
DOI: 10.4238/gmr.15026860
Evaluation of progenies from the fifth reciprocal recurrent selection cycle in maize
The objective of this study was to evaluate the performance of 119 full sib progenies of the fifth cycle of reciprocal recurrent selection (RRS) derived from of Universidade Federal de Lavras maize breeding program. The experiment was carried out in an 11 x 11 triple lattice design at two locations (Lavras, Lambari). The plots consisted of two rows of 3 m, with four plants per 1 m and 0.60 mete.. Read More»
Genet. Mol. Res. 14(3): 2015.July.27.11
DOI: 10.4238/2015.July.27.11
Genetic control of the number of leaves above the ear in maize
In this study, we examined the genetic control of the number of leaves above the first ear in maize. The F2 generations and the backcrosses were obtained from 2 contrasting lines for this trait. All generations were assessed in a completely randomized block design with 2 replications. The number of leaves above the ear was counted when the plants were in the tasseling stage at the level of plan.. Read More»
Genet. Mol. Res. 14(1): 2015.February.13.11
DOI: 10.4238/2015.February.13.11
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