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<p>The present research was carried with the objective to develop parthenocarpic gynoecious cucumber hybrids that exhibit high yield, better quality and early maturing. These hybrids could potentially be approved for widespread commercial cultivation within the state. To achieve this goal, it is essential to estimate the heterotic pattern of cucumber hybrids for improvement in yield and quality traits. The experiment was comprised of five lines (gynoecious, parthenocarpic), eleven testers (monoecious) to develop 55 F<sub>1</sub> hybrids and one standard check ‘Rajani’ using line x tester mating design. The average heterosis, standard heterosis and specific combining ability (SCA) were estimated in cucumber cross combinations for eleven different yield and quality traits. For fruit yield, magnitude of standard heterosis, average heterosis and SCA ranged from -66.02% to 6.8%, -41.73% to 123.35%, -0.60 to 0.66 respectively. On the basis of per se performance, SCA, average heterosis and standard heterosis crosses, 25–16 VNR x PMC-1, 25–16 VNR x AVCU-1203, PK-1 × PMC-1, PBRK-11 × Punjab Naveen, PK-1 × Punjab Naveen were found best for fruit yield, fruit number, fruit length, fruit weight and diameter. The earliness was judged by days to first fruit picking and node at which first female flower appears and crosses 25–16 VNR x PMC-1 and PBRK-11 × Swarna Ageti was found early maturing. For fruit quality, AVCU-1303 × Swarna Sheetal and AVCU-1303 × AVCU-1202 were found best. So, these hybrids could be used for commercial release.</p>

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Studies on Heterotic Pattern for Earliness, Yield and Quality Traits in Cucumber by Utilizing Monoecious, Gynoecious and Parthenocarpic Lines

  • 期刊论文

  • 发表日期：

    2025年1月17日

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

摘要

The present research was carried with the objective to develop parthenocarpic gynoecious cucumber hybrids that exhibit high yield, better quality and early maturing. These hybrids could potentially be approved for widespread commercial cultivation within the state. To achieve this goal, it is essential to estimate the heterotic pattern of cucumber hybrids for improvement in yield and quality traits. The experiment was comprised of five lines (gynoecious, parthenocarpic), eleven testers (monoecious) to develop 55 F1 hybrids and one standard check ‘Rajani’ using line x tester mating design. The average heterosis, standard heterosis and specific combining ability (SCA) were estimated in cucumber cross combinations for eleven different yield and quality traits. For fruit yield, magnitude of standard heterosis, average heterosis and SCA ranged from -66.02% to 6.8%, -41.73% to 123.35%, -0.60 to 0.66 respectively. On the basis of per se performance, SCA, average heterosis and standard heterosis crosses, 25–16 VNR x PMC-1, 25–16 VNR x AVCU-1203, PK-1 × PMC-1, PBRK-11 × Punjab Naveen, PK-1 × Punjab Naveen were found best for fruit yield, fruit number, fruit length, fruit weight and diameter. The earliness was judged by days to first fruit picking and node at which first female flower appears and crosses 25–16 VNR x PMC-1 and PBRK-11 × Swarna Ageti was found early maturing. For fruit quality, AVCU-1303 × Swarna Sheetal and AVCU-1303 × AVCU-1202 were found best. So, these hybrids could be used for commercial release.