What are the methods for preventing and controlling fruit drop in persimmon trees?
How do you prevent and control fruit drop in persimmon trees? Please give an introduction to the prevention and control methods. The causes of fruit drop in persimmon trees include two situations: physiological fruit drop caused by the physiological disorder of the persimmon tree itself, and fruit drop caused by diseases and pests such as anthracnose or persimmon fruit moth. To prevent and control persimmon fruit drop, first, pollinator tree varieties need to be arranged, and pollinator trees must be planted or...
How do you prevent and control fruit drop in persimmon trees? Please give an introduction to the prevention and control methods
The causes of fruit drop in persimmon trees include two situations: physiological fruit drop caused by the physiological disorder of the persimmon tree itself, and fruit drop caused by diseases and pests such as anthracnose or persimmon fruit moth. To prevent and control persimmon fruit drop, first, pollinator tree varieties need to be arranged, and pollinator trees must be planted or artificial pollination must be carried out. Second, during the flowering period, girdle the trunk or main branches of strong trees, with a width not exceeding 0.5 cm. For safety, it is best to leave a safety strip or make a spiral girdle to facilitate healing. In addition, after girdling, fertilizer and water supply should be strengthened. Third, prune appropriately, especially strengthening summer pruning, removing useless and excess branches, and promoting ventilation and light penetration. Fourth, prevent and control diseases and pests, strengthen fertilizer and water management, and enhance tree vigor. Fifth, spray 500×10-6 gibberellin during the flowering period or young fruit period, either alone or with 1% urea added, which has a very good effect on preventing fruit drop.
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