Relative Effectiveness of Recurrent Selection for Specific and for General Combining Ability in Corn¹

Recurrent Selection for Population, Variety, and Hybrid Improvement in Tropical Maize

“…Although designed originally to develop a source population from which lines could be extracted for use in hybrids with an available elite line, it has worked effectively for population improvement (Horner ~ Al., 1963Ruasell §t ~., 1973;Russell and Eberhart, 1975 Because of large G x E interactions, and difficulties of evaluating inbred maize progenies per se, this system has not been used extensively. …”

Comparative performance of two reciprocal recurrent selection procedures in maize

“…These studies on recurrent selection for specific combining ability, along with studies by Horner et al (1963), Horner et al (1976), Hoegemeyer and Hallauer (1976), Hallauer and Lopez-Perez (1979), Stangland et al (1983), Zambezi et al (1986), and Rissi (1987), suggest similar conclusions. GCA effects had greater relative importance than SCA effects.…”

Comparison of half-sib and S1 recurrent selection in 'Krug Yellow Dent'

“…The increased response to half-sib selection in cycles 4-8 in the population per se and in testcrosses observed in this study may be attributed to the positive effects of the changes made in the selection procedure, the changes in agronomic practices and the use of inbred testers. Horner et al (1973) found that inbred lines were more effective in increasing the general combining ability of a population than were broad-base testers, and Horner et al (1963) and Russell et al (1973) concluded from their evaluation of recurrent selection with an inbred tester that selection was mainly for additive effects even if a homozygous line is used as tester. Other reports have shown the same results.…”