The Effect of Gene Action and Heterosis in Cucumber Yield under Low Temperature . | ||||
| Horticulture Research Journal | ||||
| Volume 3, Issue 5, June 2025, Page 43-54 PDF (922.42 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/hrj.2025.449432 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| A.M.A. Aboshanady; M.K. Maamoun; Tahany R. Elsayed | ||||
| Department of Vegetable, Medicinal and Aromatic Plant Breeding, Horticulture Research Institute, Agricultural Research Center, Giza, Egypt | ||||
| Abstract | ||||
| Five promising inbred lines were selected to cross as females among four testers used as males of cucumbers (Cucumis sativus L.) which generated by self-pollination for six generations under greenhouse at Research farm, Sakha Village, Kafr Elshikh governorate between 2021 and 2023. Twenty F1 hybrids were produced in a Line × Tester scheme between parents during early summer of 2024, Nine parents, their ten F1 hybrids, and the commercially hybrid (Rafal F1) were evaluated during winter season of 2024 in a randomized complete block design with three replications to estimate some genetic parameters. Four crosses P3 x P6, P4 x P6, P4 x P7 and P4 x P8 had positive significant heterotic value over the better parent for early yield weight, the cross P3 x P9 had great highly significant positive values of heterosis over (M.P) for total yield weight. Non-additive gene played the main role in all traits. The line Cu14 and tester Cu2e consider excellent combiners for early yield weight, whereas, Cu12, Cu14 and Cu2e cultivars were best parents for total yield weight. The crosses P1 x P7 and P3 x P9 had great (SCA) effects for early yield, while the crosses P3 x P9 and P5 x P9 had the greatest (SCA) effects for total yield. | ||||
| Keywords | ||||
| Cucumber; Cucumis sativus L; Heterosis; Combining ability; Line × Tester | ||||
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