At present, it is the critical period for the development of summer maize production, and it is also a time when many kinds of diseases are harmed. Now we introduce several important disease symptoms and prevention methods as follows: Corn spot Start spraying before and after corn heading. 50% carbendazim WP, 75% chlorothalonil wettable powder, 80% Mancozeb WP can be used to spray 500 times, 50~70 kg per acre, every 7~10 days Spray once, a total of 2 to 3 times. Corn leaf spot The spraying began before the disease spread before and after corn heading. When spraying, remove the bottom disease leaf first, and use 50% Trifluralin WP, 75% chlorothalonil wettable powder, 50% carbendazim WP, etc., add 500 times water to spray, 70% A can also be used. Chitobuzu, 65% mancozeb WP 500 to 800 times, 50 to 70 kg per mu, spraying every 7 to 10 days, a total of 2 or 3 times. Leaf spot disease of Curvularia corn When the diseased rate in the field reaches 10%, 75% chlorothalonil, 50% carbendazim, 70% thiophanate-methyl, 70% mancozeb, and other agents can be selected and formulated into a 500-fold solution for spray control. Interval 7 Spray once every 10 days, 2 to 3 consecutive doses. Ear rot Before sowing, 75% chlorothalonil wettable powder, 50% carbendazim wettable powder and 80% mancozeb wettable powder, which accounted for 0.4% of seed weight, can be used to reduce the initial infection of pathogenic bacteria. During the growing season, attention should be paid to the prevention of corn borer, cotton bollworm and other insect pests to reduce the chance of wound infection. Corn at the heading stage is sprayed with 2000 times of 25% enemy demulsifiable oil, 500 times of 50% carbendazim WP, or 800 times of 70% thiophanate-methyl wettable powder, spraying the ear and the lower stems and leaves. Examination Glove,Nitrile Exam Gloves,Examination Gloves Price,Disposable Examination Gloves Henan Anbang Medical Supplies Co., Ltd. , https://www.anbangmedical.com