Corn spot disease occurs only partially in our country. The pathogens mainly invade the leaves and ears, and also invade leaf sheaths and temporal lobes. The spot is watery, light green or light yellow, and gradually expands to a round or elliptical shape or a long strip. The central spot of the lesion is light brown with brown edges and slightly concentric ring patterns. After the ear is infested, Grains and cobs become darker, grains dry up and form ear rot. Prevention methods: The prevention and control strategy is to adopt comprehensive prevention and control measures of “cultivation of disease-resistant varieties as main products, and pharmaceutical control as supplementâ€. After resistance identification, the currently more resistant varieties are Nongda 108, Nongda 951, Zhengdan 7, etc. In terms of cultivation and management, we should rationalize rotation, rational close planting, and strengthen management to improve the disease resistance of plants; in the early stage of disease onset, use 80% A-carbendazim 30g/sprayer water spray for prevention and treatment. Double Breast Pump Electric,Silicone Breast Pump,Double Breast Pump,Bpa Free Breast Pump NINGBO YOUHE MOTHER&BABY PRODUCTS CO.,LTD , https://www.oembreastpump.com