DIALLEL ANALYSIS FOR COMBINING ABILITY FOR GRAIN YIELD AND ITS COMPONENTS IN BARLEY

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V. K. BHATNAGAR
S. N. SHARMA

Abstract

Combining ability analysis was undertaken in 10 x 10 half diallel progenies of barley for grain yield and its component characters in both Ft and Fz generations. Both additive and nonac!ditive gene actions were important in controlling the inheritance of all the traits. However, additive gene action was predominant. The parents BG 105, OL 88, and OL 165 were the best general combiners for grain yield and average to high combiners for other important traits. The best specific crosses for grain yield were BG 105 X RO 728, BL 2 X BG 105, OL 100 X OL 88 and OL 165 X OL 88, involving parents with medium X high and high X high general combiners. Exploitation of additive and nonadditive gene actions through biparental mating and/or diallel selective mating systems is suggested.

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How to Cite
BHATNAGAR, V. K., & SHARMA, S. N. (1995). DIALLEL ANALYSIS FOR COMBINING ABILITY FOR GRAIN YIELD AND ITS COMPONENTS IN BARLEY. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING, 55(03), 228–232. https://doi.org/.
Section
Research Article

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