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<p>Parthenocarpy in cucumber is a complex trait regulated by various genes and phytohormones. It is an important feature which helps to overcome the problem of poor fruit setting in cucumbers. The present research was conducted to estimate the variability, correlation and path analysis in 15 yield and quality traits using 30 advance breeding parthenocarpic lines including standard check ‘Punjab Kheera 1’. The genetic variability studies reported high estimates of phenotypic and genotypic coefficient of variation for number of fruits set per node and number of fruits per plant which signified the improvement of these traits with selection. High to moderate heritability and genetic gains were observed for fruit length, fruit diameter, fruit weight, internodal length, vine length, number of female flowers per node, number of fruits set per node, number of fruits per plant, fruit yield per plant, and vitamin C content of fruit. The correlation and path analyses provided a clear picture that there was direct and positive effect of fruit weight, number of fruits per plant, number of fruits set per node, fruit length, vitamin C, flesh to seed cavity ratio, and pistil length on fruit yield per plant.</p>

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Study on characters associations and path coefficient analysis for yield and quality traits of parthenocarpic cucumber genotypes in poly-net house conditions

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年1月23日

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  • Ritika Lnu,
  • Rajinder Kumar Dhall,
  • Pooja Manchanda,
  • Priyanka Kumari,
  • Prakash Singathiya

摘要

Parthenocarpy in cucumber is a complex trait regulated by various genes and phytohormones. It is an important feature which helps to overcome the problem of poor fruit setting in cucumbers. The present research was conducted to estimate the variability, correlation and path analysis in 15 yield and quality traits using 30 advance breeding parthenocarpic lines including standard check ‘Punjab Kheera 1’. The genetic variability studies reported high estimates of phenotypic and genotypic coefficient of variation for number of fruits set per node and number of fruits per plant which signified the improvement of these traits with selection. High to moderate heritability and genetic gains were observed for fruit length, fruit diameter, fruit weight, internodal length, vine length, number of female flowers per node, number of fruits set per node, number of fruits per plant, fruit yield per plant, and vitamin C content of fruit. The correlation and path analyses provided a clear picture that there was direct and positive effect of fruit weight, number of fruits per plant, number of fruits set per node, fruit length, vitamin C, flesh to seed cavity ratio, and pistil length on fruit yield per plant.