Potato late blight is a serious hazard


At present, it is the fruit expansion period in the main autumn potato producing areas in the northwest, and potato late blight poses a serious threat to production safety. According to the national monitoring of major crop pests and diseases, the potato late blight in the northwest and northeast of China has a long and wide range, and the occurrence is obviously heavier than normal. Gansu and other provinces are the most serious years in the past 10 years. In response to the grim situation of potato late blight, the General Office of the Ministry of Agriculture issued an urgent notice on September 2, requesting the agricultural departments of Hebei, Shanxi, Inner Mongolia, Shaanxi, Gansu and Ningxia to do a good job in the prevention and control of potato late blight. , to fully capture the harvest of autumn harvest.

The notice requires that the first is to strengthen the implementation of responsibility. All localities should base themselves on disaster prevention and harvest, and take disease prevention and control as an important task in the current agricultural production work, strengthen organizational leadership, strengthen coordination and coordination, implement responsibility at all levels, guide farmers in timely prevention and control, and minimize disease losses. For the potato late blight re-emergence area, it is necessary to organize the cadres and agricultural technicians to make some packages and promote the implementation of various prevention and control measures. The second is to strengthen monitoring and early warning. Plant protection agencies at all levels should strengthen monitoring and investigation, systematically carry out dynamic monitoring of disease growth and decline, organize and implement pull-net census, comprehensively grasp the occurrence dynamics, timely release forecast and warning information, determine the occurrence of distribution areas, key prevention and control fields, and optimal prevention and control period. Farmers carry out preventive control in a timely manner. It is necessary to increase the frequency of disease dispatching, strictly implement the information reporting system and the real-time reporting system for severe disasters, and provide a basis for timely prevention and control. The third is to strengthen emergency prevention and control. It is necessary to actively carry out emergency prevention and control materials, funds, and team reserves; it is necessary to start emergency plans according to the dynamics of the disease; it is necessary to vigorously promote professional and unified defense, and to carry out joint prevention and control, group prevention and control, and resolute control of the re-issuing areas. Curb the outbreak of epidemic. The fourth is to strengthen guidance services. It is necessary to establish a sound prevention and control supervision and guidance mechanism. In the critical period, the group will be assigned to the elite areas, and will be assigned to key areas to deepen the production line, strengthen supervision and inspection, strengthen coordination and guidance, and ensure timely implementation of monitoring and prevention and control measures.

Late blight is a malignant disease that affects the safe production of potatoes. Once the outbreak is widespread, the yield loss is serious. Since the beginning of the flood season, the northwestern and northeastern autumn potato producing areas have abundant rainfall, which is conducive to the epidemic of potato late blight. The Ministry of Agriculture attaches great importance to this. Since late May, it has held a video conference on prevention and control of major crop pests and diseases in the country, a video conference on prevention and control of crop diseases and insect pests in the country, and an on-site meeting on prevention and control of potato late blight. Guan, Tianguanguan, prevention and control, and prevention, early prevention, small prevention, strict control of proliferation and spread. At the same time, 120 planting counties were selected in the potato producing areas, systematically carrying out late blight monitoring and investigation, strictly implementing the information reporting system, and issuing warning information on CCTV's “Weather Forecast” column several times. Since August, the Ministry of Agriculture has sent six supervision teams to carry out supervision and inspection in key areas to promote the implementation of various prevention and control measures. Up to now, 43.5 million mu of autumn potato late blight prevention and control has been implemented in northeast and northwest, which is 2.14 times of the area, which is more than 90% year-on-year.

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