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<p>Okra (<i>Abelmoschus esculentus</i> L.) is an important commercial crop of India known for its nutritional, industrial and medicinal value. In the present study, 55 diverse okra genotypes were evaluated using randomized complete block design to assess the genetic parameters of various nutritional and quality traits. Biochemical analysis of quality traits revealed presence of high carotenoid content (3.06&#xa0;mg/g) and dietary fibre (0.09&#xa0;g/g). High heritability along with genetic advance percentage over mean was recorded for chlorophyll, flavonoid and carotenoid content. Correlation studies revealed positive and highly significant correlations of Fe (0.29**) and Mn (0.31**) with yield (q/ha) at genotypic level. The D<sup>2</sup> technique based on multivariate analysis classified 55 okra genotypes into 8 distinct clusters. Cluster 8 recorded the highest cluster means for sugar (5.59%), ash (1.94%), protein (2.75%), copper content (0.52&#xa0;µg/g), and dietary fibre (0.08&#xa0;g/g). In principal component analysis, seven principal components contributed to a total variability of 79.626%. The traits, like ascorbic acid, mucilage, phenol and dietary fiber content played an important role in achieving high nutritional quality and biotic stress (yellow vein mosaic virus (YVMV) and enation leaf curl virus (ELCV)) resistance in genotypes Pusa bhindi-5 and DOV-69. The findings of this study will help the breeder in selecting appropriate breeding methods and multiomics approach to develop biotic resistant along with high quality and nutritionally rich varieties of okra.</p>

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Nutri-biochemical traits’ analysis in biotic stress condition in okra (Abelmoschus esculentus L.)

  • 期刊论文

  • 发表日期：

    2025年7月11日

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  • Sparsh Nathoo,
  • Ramesh Kumar Yadav,
  • Suman Lata,
  • Vinay N D,
  • Susheel Kumar Sharma,
  • Rakesh Bhardwaj,
  • Prakash Kumar,
  • Nirankar,
  • Rajendra Kumar

摘要

Okra (Abelmoschus esculentus L.) is an important commercial crop of India known for its nutritional, industrial and medicinal value. In the present study, 55 diverse okra genotypes were evaluated using randomized complete block design to assess the genetic parameters of various nutritional and quality traits. Biochemical analysis of quality traits revealed presence of high carotenoid content (3.06 mg/g) and dietary fibre (0.09 g/g). High heritability along with genetic advance percentage over mean was recorded for chlorophyll, flavonoid and carotenoid content. Correlation studies revealed positive and highly significant correlations of Fe (0.29**) and Mn (0.31**) with yield (q/ha) at genotypic level. The D2 technique based on multivariate analysis classified 55 okra genotypes into 8 distinct clusters. Cluster 8 recorded the highest cluster means for sugar (5.59%), ash (1.94%), protein (2.75%), copper content (0.52 µg/g), and dietary fibre (0.08 g/g). In principal component analysis, seven principal components contributed to a total variability of 79.626%. The traits, like ascorbic acid, mucilage, phenol and dietary fiber content played an important role in achieving high nutritional quality and biotic stress (yellow vein mosaic virus (YVMV) and enation leaf curl virus (ELCV)) resistance in genotypes Pusa bhindi-5 and DOV-69. The findings of this study will help the breeder in selecting appropriate breeding methods and multiomics approach to develop biotic resistant along with high quality and nutritionally rich varieties of okra.