Genetic variability, correlation and path coefficient analysis in segregating population of rice
K. Bhargava1,2, D. Shivani2, SNCVL Pushpavalli3, R. M. Sundaram1, P. Beulah1 and P. Senguttuvel1*
Electronic Journal of Plant Breeding · 2021
doi:10.37992/2021.1202.077 (opens in a new tab)
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Abstract
A study was conducted to evaluate the genetic variability parameters, correlation and path coefficient analysis for eight yield related traits in segregating F2 population of an aerobic restorer AR 9-18 × YPK 198 (Donor for yield enhancing genes Gn1a and OsSPL14) at ICAR-IIRR, Hyderabad during the kharif, 2019. The results indicated that, productive tiller number, grain number per panicle and plant yield showed high PCV and GCV. Height of plant, productive tiller number, grain number per panicle and plant yield exhibited a high heritability and also high genetic advance as per cent of mean which indicates simple selection would be effective for enhancement of these traits. Correlation studies indicated that plant yield was associated significantly positive with height of plant, productive tiller number, length of panicle and grain number per panicle. High positive direct effect on plant yield was recorded by productive tiller number, grain number per panicle and height of plant.
Abstract licence: CC BY-NC
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