Character Association Studies of Quantitative Characters in Summer Mung bean [Vigna Radiata (L.) Wilzek] Genotypes

Khajan Singh; PKP Meena; Bhuri Singh; Versha Gupta; AK Parihar; Rajesh Kumar; Manju Meena; SS Punia

doi:10.56093/aaz.v64i3.165744

Authors

Khajan Singh Agriculture University, Kota 324 001, India
PKP Meena Agriculture University, Kota 324 001, India
Bhuri Singh Agriculture University, Kota 324 001, India
Versha Gupta Agriculture University, Kota 324 001, India
AK Parihar ICAR- IIPR, Kalyanpur, Kanpur 208 017, India
Rajesh Kumar Agriculture University, Kota 324 001, India
Manju Meena Agriculture University, Kota 324 001, India
SS Punia Rajasthan Agriculture Research Institute, Jaipur 302 018, India

https://doi.org/10.56093/aaz.v64i3.165744

Keywords:

Genetic variability, correlation, path coefficient, mung bean genotypes

Abstract

The productivity of mung bean in India remains low due to a narrow genetic base for yield improvement, limited variability in yield-related traits, suboptimal ideotype of the mung bean plant, susceptibility to biotic and abiotic stresses, inadequate crop management, and weed infestation. The present study was conducted at the Agricultural Research Station, Ummedganj-Kota, Rajasthan, during summer 2024, to assess genetic variability and examine the relationships among quantitative traits in 26 mung bean genotypes of diverse origins. The analysis revealed highly significant mean squares for all morphological characters, indicating the presence of substantial variability. Traits such as the number of pods plant-1, 100-seed weight, and plant height showed high heritability estimates and significant genetic advances, suggesting that additive gene effects predominantly influence these traits, with minimal environmental impact, and that simple phenotypic selection would be effective. The study also identified high direct effects of traits like harvest index, 100-seed weight, biological yield plant-1, number of seeds pod-1, number of pods plant-1, and number of branches plant-1 on yield. These findings suggest that targeted selection for these traits can effectively enhance grain yield in mung bean. Additionally, genotypes PMD-11, BCM 20-52, IPM 205-7, MH 1923, IPM 410-3, and SML 2159 were identified as promising donors for these traits in recombinant breeding programs aimed at yield improvement.

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Author Biographies

PKP Meena, Agriculture University, Kota 324 001, India

Associate Professor (PB&G)
Bhuri Singh, Agriculture University, Kota 324 001, India

Assistant Professor (PB&G)
Versha Gupta, Agriculture University, Kota 324 001, India

Assistant Professor (Agronomy)
AK Parihar, ICAR- IIPR, Kalyanpur, Kanpur 208 017, India

Senior Scientist (PBG)
Rajesh Kumar, Agriculture University, Kota 324 001, India

Assistant Professor (Agronomy)
Manju Meena, Agriculture University, Kota 324 001, India

Technical Assistant
SS Punia, Rajasthan Agriculture Research Institute, Jaipur 302 018, India

Professor (PBG)

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