At present, Shuanghe Township, Xuanwei City, Yunnan Province has entered the rainy season about 20 days earlier than previous years, and the rainfall is more than the same period in previous years. In the first ten days of June, potatoes grew briskly, but for a long time, there was low temperature and little sunshine, and there was too much rain. Late blight and sporadic diseased plants appeared in dashutang potato planting base in Daqiao village, and the prevention and control entered a critical period.

On June 13, the Daqiao village cooperative of Shuanghe Township seized the rare sunny weather after the continuous summer rain, and invited Qujing agricultural school and Yunnan Eagle brothers to use the plant protection UAV as the base to prevent and control the late blight of 500 mu of potato. Three plant protection UAVs and eight flight control technicians worked hard for 4 hours to complete the flight control task. This time, yinfari, antaisheng and other high-efficiency chemicals, as well as high-quality fly control additives were used to provide a strong guarantee for the stable yield, yield increase and high quality of 500 mu potato in dashuitang, Daqiao village。

The control of potato late blight is one of the important links in summer management, and also one of the important measures to ensure the high and stable yield of potato. Shuanghe Township Party committee and government take industrial revitalization as the top priority, vigorously cultivate market players, and take the road of industrial development specialized village and large household development. At present, it has standardized the planting of 1000 mu of dashuitang commercial potato and improved seed breeding base in Daqiao village, and actively cooperated with Qujing agricultural school and Yunnan Tianying Aviation Technology Co., Ltd. to provide practical technical guidance for the whole process of the planting base and use plant protection UAVs for late blight prevention and control, It not only saves labor and effort, has high control efficiency and strong safety, but also can reduce pesticide residues in the soil, save drugs and protect the environment, help increase potato production and income, and achieve a win-win situation of economic and ecological benefits.