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Vol. 11, Issue 6 (2022)

Analysis of genetic variability, heritability and genetic advance for seed yield and its contributing traits in Indian mustard [Brassica juncea (L.) Czern and Coss.] Under timely and late sown conditions

Author(s):
Govind Mishra, Shiva Nath and Tarkeshwar
Abstract:
The experiment consisting of 57 treatments (45 F1's along with their 10 parents with two standard varieties) were carried out in a RBD with three replications during Rabi 2021-22 at Students Instructional Farm (SIF), Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya (U.P.). The observations were recorded on twelve metric traits. The analysis of variance, significant differences were observed among the treatments (parents, F1's and checks) for all the twelve attributes under study. The mean squares due to treatments were highly significant for all the twelve characters in both environments i.e., E1 (timely sown) and E2 (late sown) reflecting variability in these attributes in subsequent generations. High heritability and high genetic advance were observed for number of silique on main raceme followed by 1000 seed weight in E1 and E2. While high heritability coupled with moderate genetic advance in per cent of mean was recorded for number of primary branches, number of secondary branches, harvest index and seed yield per plant in both environments E1 and E2. The high estimates of phenotypic and genotypic coefficient of variation were recorded for number of numbers of silique on main raceme in only E2 environment and in E1 it possessed moderate GCV and PCV.
Pages: 1354-1357  |  457 Views  268 Downloads


The Pharma Innovation Journal
How to cite this article:
Govind Mishra, Shiva Nath, Tarkeshwar. Analysis of genetic variability, heritability and genetic advance for seed yield and its contributing traits in Indian mustard [Brassica juncea (L.) Czern and Coss.] Under timely and late sown conditions. Pharma Innovation 2022;11(6):1354-1357.

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