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Studies on genetic diversity in green gram (Vigna radiata L. Wilczek) for yield and its attributing traits

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Abstract

The present investigation sought to evaluate the genetic variability and determine well-suited genotypes for crossbreeding initiatives with the goal of augmenting the desirable traits of Vigna radiata (L.) Wilczek, more commonly referred to as green gram. This crop holds significant significance as a legume grain in India. Ninety-four genotypes were evaluated for various quantitative traits, and statistical analysis was conducted to estimate genetic parameters and determine divergence. Significant variations were observed among the genotypes for all studied traits, indicating a wide genetic diversity. Phenotypic observations revealed the influence of both genotype and environment on the expression of traits. Biometric parameters, such as genotypic coefficient of variation, broad-sense heritability, and genetic advance, were used to measure the observed variability. The results provide valuable insights for breeders to develop selection programs for genetic improvement of green gram. Additionally, clustering analysis based on D2 distance categorized the genotypes into 12 distinct clusters, highlighting their unique genetic characteristics. The study identified traits contributing significantly to divergence, with the number of pods per plant showing the highest contribution. This research contributes to the development of superior green gram varieties through enhanced genetic understanding and selection strategies.

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Authors and Affiliations

  1. Division of Genetics and Plant Breeding, School of Agricultural Sciences, Karunya Institute of Technology and Sciences, Coimbatore, India

    John Kingsly N. B. & R. Aravinth

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  1. John Kingsly N. B.
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  2. R. Aravinth
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A,B investigated and wrote the main manuscript text, visualisation and prepared figures. A: Conceptualization, methodology, draft editing and supervision. All authors reviewed the manuscript.

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Correspondence to John Kingsly N. B..

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John Kingsly N. B., Aravinth, R. Studies on genetic diversity in green gram (Vigna radiata L. Wilczek) for yield and its attributing traits. Euphytica 220, 12 (2024). https://doi.org/10.1007/s10681-023-03266-2

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