F.C. Sao*, A.K. Sarawgi, Temin Sahu, Sourabh Paikara and Mohamad Aarif
Department of Genetics and Plant Breeding, Indira Gandhi Krishi Vishwavidyalaya,
Raipur- 492012 (CG), India
Email: fchandsao@gmail.com
Received-18.10.2013, Revised-25.11.2014
Abstract: The heterosis study on quantitative and quality traits in quality hybrids rice from line x tester analysis from 24 F1 hybrids derived from 3 female and 8 male lines. The observations were recorded on 28 quantitative and quality traits. Analysis of variance revealed that all the treatments exhibited highly significant variation for almost all the traits under study. The highest heterotic effects observed for mid parents, better parent and standard heterosis were 233.33%, 97.50% and 60.14% for grain yield per plant noted for the crosses IR 58025A/R1679-1674-1-234-1. Maximum heterosis over mid parents of 313.25%, 33.67%, 26.98% and 100.15% for productive tillers per plant, panicle length, spikelet fertility percentage and harvest index and maximum heterobeltiosis of 163.64%, 29.18%, 24.54% and 43.35% for productive tillers per plant, panicle length, spikelet fertility percentage and harvest index and maximum standard heterosis of 218.68%, 21.10%, 5.89% and 49.09% for productive tillers per plant, panicle length, spikelet fertility percentage and harvest index was found in IR 58025A/R1679-1674-1-234-1.
Keywords: Heterosis, Traint, Hybrids, Rice
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