Path Coefficient Analysis and Character Association of Yield and Yield Contributing Traits of Rice Landraces
Ravi Gautam, Yogendra Singh, Sanjay Kumar Singh, Stuti Sharma, Shweta Tiwari, D. R. Pani
Journal of Advances in Biology & Biotechnology · pp. 223–230 · Published 16 Jul 2024
10.9734/jabb/2024/v27i81134Abstract
An experiment was carried out during Kharif 2020 to estimate the direct and indirect effects of various independent characteristics on the dependent character and to assess the degree of relationship between yield and yield contributing traits of rice landraces. The experimental material consists of 188 landraces including two checks IR-64 and Jeerashankar and these genotypes were planted in Randomized Block Design with three replications. Based on correlation and path analysis studies, significant positive correlation and high direct positive effect on grain yield per plant were found for traits flag leaf length, number of tillers, number of effective tillers, panicle weight, harvesting index, panicle index, fertile spikelet per panicle and biological yield per plant. Itdepicted that during the formulation of criterion in the rice improvement program as well as for plant ideotype, these traits would be of significant relevance.
References (7)
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