A Doctoral Dissertation at the College of Agriculture Investigates the Effects of Silicon Oxide, Sorbitol, and Zinc Sulfate Treatments on the Growth, Yield, and Storage Characteristics of the ‘Halawani’ Grape Cultivar
A Doctoral Dissertation at the College of Agriculture Investigates the Effects of Silicon Oxide, Sorbitol, and Zinc Sulfate Treatments on the Growth, Yield, and Storage Characteristics of the ‘Halawani’ Grape Cultivar
The College of Agriculture at the University of Diyala discussed a doctoral dissertation entitled “Effect of Silicon Oxide, Sorbitol, and Zinc Sulfate Treatments on the Growth, Yield, and Storage Characteristics of the ‘Halawani’ Grape Cultivar.”
The study, submitted by the doctoral researcher Uruk Adnan Yaqoub, investigated the effects of foliar applications of silicon, sorbitol, and zinc on the growth and productivity of grapevines. It also aimed to improve the quantitative and qualitative characteristics of grape fruits through treatments with silicon, sorbitol, and zinc, as well as to enhance the plant’s ability to withstand extreme environmental conditions, particularly high temperatures. These foliar treatments were employed as supportive measures to enhance the plant’s adaptation to environmental variations and promote improved growth in order to achieve the highest possible productivity.
The Study Recommended:
- Adopting the three-way interaction treatment of silicon at a concentration of 6 mg L⁻¹, sorbitol at 100 mg L⁻¹, and zinc at 75 g L⁻¹, particularly in improving the carbohydrate content of shoots and the chlorophyll content of leaves.
- Dipping the grape clusters in silicon and chitosan at the concentrations used in the experiment to extend the storage life of the treated grape clusters.
- Conducting further experiments to investigate the effects of different storage durations and temperature conditions on the physical and chemical characteristics of grape fruits.
The study is aligned with Sustainable Development Goal 2 (Zero Hunger), particularly the target concerning the assurance of sustainable food production systems and the implementation of resilient agricultural practices that increase productivity and production, preserve ecosystems, and improve soil quality.
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