Detection of epistatic, additive and dominance variation in rice
1985
Ahmed, L. | Zakri, A.H. | Jalani, B.S.
Modified triple test cross analysis was done on the results of two experiments involving 11 metric traits in rice namely, heading date, maturity date, culm height, plant height, panicle length, tiller number, straw weight, panicle weight, spikelet number, 1,000-grain weight, and grain yield. Epistasis did not affect any of the traits studied, while additive gene action was predominant in both experiments for all traits. Dominance was not detected for heading date, maturity date, culm height, panicle length, plant height, tiller number and straw weight in Experiment 1, nor for tiller number and straw weight in Experiment 2. Dominance contributed to the variation of heading date, maturity date, culm height, panicle length, plant height, panicle weight, spikelet number, 1,000-grain weight and grain yield in Experiment 2
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