Revealing the Inheritance of Qualitative Traits and Identification of Transgressive Segregants for Productivity Traits in Early Segregating Generation of Soybean [Glycine max (L.) Merril]
International Journal of Plant & Soil Science · pp. 302–311 · Published 7 Mar 2024
10.9734/ijpss/2024/v36i44483Abstract
The breeding effort was carried out to elucidate information on the inheritance of qualitative traits and identification of transgressive segregants for productivity traits in two crosses viz., DSb 23 x MACS 1575 (Cross 1) and DSb 23 x MACS 1460 (Cross 2) in soybean during Kharif 2020 at Botany Garden, Department of Genetics and Plant Breeding, University of Agricultural Sciences, Dharwad. The observations were recorded on nine traits viz., days to 50% flowering, days to maturity, plant height, pods per plant, 100 seed weight, seed yield per plant, hilum colour, leaf shape and flower colour. Test for goodness of fit revealed that the traits viz., flower colour and leaf shape are controlled by a single dominant gene (3:1) and hilum colour was controlled by two genes with complementary gene action (9:7). In general, the percent of transgressive segregants obtained for yield-related traits was in a range of 7-17%. The high frequency of favorable segregants was identified for pods per plant (15.33%), 100 seed weight (13.87%) and days to maturity (16.42%) in cross 1, and high frequency of favorable segregants in cross 2 were observed for days to 50% flowering (8.95%), plant height (13.75%) and seed yield per plant (14.17%). These segregants can be further utilized in the breeding programme to develop high-yielding varieties and morphological traits can be used as markers in molecular breeding.
References (2)
Cited by 2
Ifayanti Ridwan, Muh Farid, Feranita Haring · BMC Plant Biology · 2025
Nuniek Widiayani, Muhammad Fuad Anshori, Nasaruddin Nasaruddin · BMC Plant Biology · 2025
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