Answer: The disease should be caused by flower rot. It mainly damages flowers and young fruit, causing flowering, fruit drop, or small and deformed fruit. Control methods: The spring fertilizer is mainly composed of quick-acting nitrogen fertilizer and quick-acting phosphorus and potash fertilizers and trace element fertilizers; in summer, quick-acting phosphorus and potassium fertilizers are mainly used in combination with available nitrogen fertilizers and trace element fertilizers. In the germination period of kiwifruit buds, 3 to 5 Baumide Lithosulfide agents were sprayed in the whole garden; 65% of mancozeb 500 times liquid or 50% of excretory 800 times or 0.3 Baume degree stones were used during the leaf spreading period. Sulfur mixture spraying the whole tree, spray once every 10 to 15 days, especially in the early flowering of kiwifruit to guard once.
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