Shalan, A., Hamza, D. (2020). Manual Defoliation Treatments Affected Yield and Cluster Quality of Grapevines Cv. Crimson Seedless. Journal of Plant Production, 11(5), 377-381. doi: 10.21608/jpp.2020.93624
Ameer M. Shalan; Doaa M. Hamza. "Manual Defoliation Treatments Affected Yield and Cluster Quality of Grapevines Cv. Crimson Seedless". Journal of Plant Production, 11, 5, 2020, 377-381. doi: 10.21608/jpp.2020.93624
Shalan, A., Hamza, D. (2020). 'Manual Defoliation Treatments Affected Yield and Cluster Quality of Grapevines Cv. Crimson Seedless', Journal of Plant Production, 11(5), pp. 377-381. doi: 10.21608/jpp.2020.93624
Shalan, A., Hamza, D. Manual Defoliation Treatments Affected Yield and Cluster Quality of Grapevines Cv. Crimson Seedless. Journal of Plant Production, 2020; 11(5): 377-381. doi: 10.21608/jpp.2020.93624
Manual Defoliation Treatments Affected Yield and Cluster Quality of Grapevines Cv. Crimson Seedless
1Pomology Department, Faculty of Agriculture, Mansoura University, Egypt, 35516.
2Department of Pomology, Faculty of Agriculture, Mansoura University, 35516, Mansoura, Egypt
Abstract
This study has proceeded during 2018 and 2019 vintages for resolving the major problems which facing Crimson seedless grapevines production e.g., lack of anthocyanin accumulation at ripening and bunch rot incidence by Botrytis cinerea. So, Crimson grapevines were defoliated at pre- and post-blooming by removing eight basal leaves or by removing four leaves before and after blooming (three treatments) in addition to the control. The pre-blooming defoliation of grapevines enhanced vegetative growth conditions and gave a satisfying yield with the good coloring of cluster berries and fewer rot infections.
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