Morpho-genetic variability, character association and diversity studies for yield attributing traits of mungbean [Vigna radiata (L.) Wilczek]

Authors

  • Arup Jyoti Biswas Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
  • Biswajit Das Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
  • Sadia Akter Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
  • Adrita Abdullah Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
  • Fauzia Afrin Aurin Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
  • Mohammad Anwar Hossain Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh

DOI:

https://doi.org/10.25081/jaa.2025.v11.9517

Keywords:

Mungbean, Yield-traits, Correlation and path-coefficient, Principal component analysis, Cluster analysis

Abstract

Crop improvement requires an understanding of genetic diversity and the relationships between different variables that affect seed yield. The goal of this study was to characterize twenty-two mungbean genotypes in order to estimate genetic variability, heritability, genetic advancement, and genetic diversity as well as the correlation coefficient for nine variables and the degree to which they are associated with yield. The experiment was conducted during Kharif-1 season of 2023 following a randomized complete block design with three replications. Data on key yield-attributing morphological traits viz., days to first flowering, days to maturity, plant height, number of branches plant-1, number of pods plant-1, pod length, number of seeds pod-1, 100-seed weight and yield plant-1 were recorded. Based on yield and traits attributed to yield, the genotypes BMX 11140, BMX 1148, BMX 11170, BMX 11111 and BARI Mung-6 were selected as promising genotypes. The highest differences between genotypic and phenotypic coefficients of variation were observed for number of branches plant-1, number of pods plant-1, yield plant-1, pod length and days to first flowering. High heritability coupled with high genetic advance as percentage of mean was recorded for the traits yield plant-1, number of pods plant-1 and 100-seed weight. Yield plant-1 showed a significant positive correlation with number of pods plant-1 (0.783**) and number of seeds pod-1 (0.738**). The traits number of pods plant-1, 100-seed weight, number of seeds pod-1, number of branches plant-1, pod length, plant height, and days to maturity exerted positive direct effect on yield plant-1 whereas days to first flowering showed negative effects. Principal component analysis revealed that the first three components explained 71.66% of the total variation among the genotypes. Cluster analysis grouped twenty-two genotypes into four distinct clusters where cluster III indicated the highest yield plant-1. The maximum inter cluster distance was observed between clusters III and II (2.33). Thus, the promising genotypes viz., BMX 11140, BMX 1148, BMX 11170, BMX 11111 and BARI Mung-6 isolated from this study can be used for developing high-yielding mungbean variety.

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Published

19-05-2025

How to Cite

Biswas, A. J., Das, B., Akter, S., Abdullah, A., Aurin , F. A., & Hossain, M. A. (2025). Morpho-genetic variability, character association and diversity studies for yield attributing traits of mungbean [Vigna radiata (L.) Wilczek]. Journal of Aridland Agriculture, 11, 34–43. https://doi.org/10.25081/jaa.2025.v11.9517

Issue

Volume 11, 2025

Section

Articles

Copyright (c) 2025 Arup Jyoti Biswas, Biswajit Das, Sadia Akter, Adrita Abdullah, Fauzia Afrin Aurin , Mohammad Anwar Hossain

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