First, choose to sow disease-free seeds and do a good job in seed treatment. Seeds are either bred in disease-free areas or harvested from disease-free plants and treated with agents prior to sowing. Soak 200 ml of formaldehyde for 30 minutes, remove the water and wash it to dry. Can also be used 50% carbendazim or thiram WP, according to seed weight 0.3% ~ 0.4% seed dressing after sowing. You can also use 60% anti-mildew superfine powder 600 times liquid soaking for 30 minutes, remove and wash, air dry sowing. Second, strengthen field management and improve cultivation techniques. Covering cultivation with plastic film or straw can prevent or reduce the spread of soil bacteria. Use 45% Daisen ammonium water 1000 times to disinfect the frame. Deepen the land and increase the application of phosphorus and potassium fertilizers. After the rain, cultivating in time, fertilizing soil after fertilization, pay attention to drainage, reduce soil moisture content. Third, the implementation of pharmaceutical control. After the disease was found in the field, it was sprayed in time. The commonly used agents are as follows: 75% chlorothalonil wettable powder 600 times; 50% carbendazim wettable powder 500 times; 50% thiophanate-methyl wettable powder 500 times; 70% mancozeb zinc wettable powder 500 times liquid; 80% anthrax Fumei wettable powder 500 times; 70% thiophanate-methyl wettable powder 800 times plus 75% chlorothalonil wettable powder 800 times and so on. Usually every 5 to 7 days spray 1 drug, and even spray 2 to 3 times. Spraying should be thoughtful, should pay special attention to the back of the leaf, spraying rain should be promptly after spraying. Nonwoven Fabirc Dressing MDK-NFD-01 China leading manufacturers and suppliers of Nonwoven Fabric Dressing,Non Woven Dressing, and we are specialize in Non Woven Dressing With Pad,Non Woven Wound Dressing, etc. Nonwoven Fabric Dressing,Non Woven Dressing,Non Woven Dressing With Pad,Non Woven Wound Dressing Henan Maidingkang Medical Technology Co.,Ltd , https://www.mdkmedicales.com