Improving Yield and Bunch Quality of ‘Crimson Seedless’ Grapevines Through the Use of Some Elicitors and Shoot-Topping Under Semi-Arid Conditions
Elaidy, A., Abd El-Khalek, A., Mahmoud, D., Farag, A., Belal, B., Hafez, D. (2025). Improving Yield and Bunch Quality of ‘Crimson Seedless’ Grapevines Through the Use of Some Elicitors and Shoot-Topping Under Semi-Arid Conditions. EKB Journal Management System, 4(2), 68-74. doi: 10.21608/jsaes.2025.396572.1143
Ahmed Attia Elaidy; Ahmed Fathy Abd El-Khalek; Doaa Sabry Mahmoud; Ashraf Reda Farag; Bassam El-sayed Belal; Dina Amr Hafez. "Improving Yield and Bunch Quality of ‘Crimson Seedless’ Grapevines Through the Use of Some Elicitors and Shoot-Topping Under Semi-Arid Conditions". EKB Journal Management System, 4, 2, 2025, 68-74. doi: 10.21608/jsaes.2025.396572.1143
Elaidy, A., Abd El-Khalek, A., Mahmoud, D., Farag, A., Belal, B., Hafez, D. (2025). 'Improving Yield and Bunch Quality of ‘Crimson Seedless’ Grapevines Through the Use of Some Elicitors and Shoot-Topping Under Semi-Arid Conditions', EKB Journal Management System, 4(2), pp. 68-74. doi: 10.21608/jsaes.2025.396572.1143
Elaidy, A., Abd El-Khalek, A., Mahmoud, D., Farag, A., Belal, B., Hafez, D. Improving Yield and Bunch Quality of ‘Crimson Seedless’ Grapevines Through the Use of Some Elicitors and Shoot-Topping Under Semi-Arid Conditions. EKB Journal Management System, 2025; 4(2): 68-74. doi: 10.21608/jsaes.2025.396572.1143

Improving Yield and Bunch Quality of ‘Crimson Seedless’ Grapevines Through the Use of Some Elicitors and Shoot-Topping Under Semi-Arid Conditions

Journal of Sustainable Agricultural and Environmental Sciences
Volume 4, Issue 2, June 2025, Pages 68-74    PDF (464.6 K)
Document Type: Original research paper
DOI: 10.21608/jsaes.2025.396572.1143
Authors
Ahmed Attia Elaidy1; Ahmed Fathy Abd El-Khalek* 1; Doaa Sabry Mahmoud2; Ashraf Reda Farag3; Bassam El-sayed Belal4; Dina Amr Hafez1
1Horticulture Department, Faculty of Agriculture, Tanta University
2Horticulture Department, Faculty of Agriculture, Zagazig University
3Viticulture Research Department, Horticulture Research Institute, Agricultural Research Center
4Viticulture Department, Horticulture Research Institute, Agriculture Research Center
Abstract
The current study was carried out on "Crimson Seedless" grapevines in the experimental farm at El-Baramon station, Horticulture Research Institute, Mansoura, Dakahlia Governorate, Egypt, for two consecutive seasons (2023 and 2024). The application of shoot-topping treatment (vegetative apex removal before the berry color stage) with foliar of spraying proline at 500 mg/L, melatonin at 500 µL/L, and methyl jasmonate at 500 µL/L. The whole grapevines were sprayed until dripping at three different times; after berry set, at the beginning of berry coloring (veraison stage) and seven days after veraison stage. While, control was sprayed with distilled water and without soot-topping. The combination with proline at 500 mg/L + shoot topping was effective in improving wood ripening and pruning weight as well as enhancing yield per vine, bunch weight, length and width, berry weight, and berry firmness. While a combination of 500 µL/L methyl jasmonate + shoot topping was the best treatment for increasing soluble solids content, anthocyanin accumulation, and total sugars and reducing titratable acidity.
Keywords
Crimson Seedless; shoot-topping; Proline; Melatonin and Methyl jasmonate
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