Downy mildew uses 90% triethylaluminum phosphate wettable powder 400 to 500 times, 75% chlorothalonil wettable powder 600 times, and 64% antivirus WP 500 times, every 7 days Spray once every 10 days, spray 2~3 times. Rust use 15% Ketone WP 2000 ~ 2500 times, 20% Wei Lingling EC 700 ~ 800 times to control, spray once every 10 days, and even spray 2 ~ 3 times. Black spot disease was selected using 75% chlorothalonil wettable powder 600 times liquid and 50% acetaminophen wettable powder 1500 times liquid, sprayed once every 7-10 days, and even sprayed 3 or 4 times. The gray mold sprayed 50% of quick keratin, 50% of acetaminophen, and 25% of metalaxyl wettable powder 1000 times for prevention and treatment. Soft rot disease was selected by using 70% of the WP 500 times and neophytin 4000 ～ 5000 times for prevention and treatment, spraying once every 7-10 days and spraying 1 or 2 times. Disposable FFP2 Particulate Respirator Disposable Mask,Disposable Folded Mask,FFP2 Disposable Face Mask,Disposable FFP2 Particulate Respirator Henan Aklly Filter Engineering Co., Ltd , https://www.akllyfilter.com