Comparison of combining ability of inbred lines derived from native flint strains in maize [Zea mays] breeding programs for warm regions in Japan
1990
Ikegaya, F. (Miyazaki-ken. Agricultural Experiment Station, Sadowara (Japan)) | Nozaki, K. | Fujita, K. | Mukai, Y. | Fukuda, T. | Takada, Y.
To obtain basic information on maize (Zea mays) breeding programs for silage use in warm regions of Japan, the combining ability of inbred lines derived from native flint strains (F lines) with inbred lines originating from American dent populations or hybrids (D lines) was evaluated. In 1988, fifteen single-cross hybrids between seven F lines and 13 D lines (D x F) were compared with 13 single-cross hybrids among 15D lines (D x D) for yield and associated traits. In 1989, a total of 83 D x F hybrids between 12 F lines and 34 D lines were tested with five control commercial hybrids and the combining ability of the F lines was estimated, based on the average values in all the crosses of each F line
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