Combining ability studies for grain yield and other agronomic characters in inbred lines of maize (Zea mays L.)

Gautam, A.S.

Crop Research Hisar 26(3): 482-485

2003


ISSN/ISBN: 0970-4884
Accession: 004078674

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Abstract
Combining ability analysis was done in Himachal Pradesh, India, using 15 F1 hybrids and their six parents obtained from a diallel mating, for grain yield, plant height, ear length, days to maturity and 1000-kernel weight. Both general combining ability (gca) and specific combining ability effects were significant for all the traits. Crosses x year interaction was highly significant for plant height and days to maturity. The gca x years interaction was highly significant for grain yield, plant height and days to maturity. The gca x years interaction was significant only for days to maturity.