Grab the opportunity to prevent stripe rust

According to a survey of experts from the National Agricultural Technology Extension Service Center, more than 4.5 million mu of autumn seedlings have been reported in Gansu Province. In southern Ningxia and early November, an area of ​​more than 800,000 mu has occurred; Shaanxi Guanzhong was broadcast in early October. Wheat field disease; Sichuan in early November in Hebei, Heishui, Mianyang and other counties to find wheat stripe rust; Henan Province in mid-November in 8 counties (cities, districts) found wheat stripe rust. Recently, about 5 million mu of wheat stripe rust has occurred in the country. Due to the proper application of prevention and control techniques such as pre-sowing wheat seed treatment, at present, the incidence of wheat pests is small, small, and light, but wheat stripe rust occurs early. Therefore, winter wheat pest control should be mainly based on the prevention and control of the disease. Before going through the winter to early next spring, all localities must do the following: 1. Strengthen monitoring and master the dynamics. We must do a good job in monitoring the pests and diseases of wheat, especially wheat stripe rust, sheath blight, powdery mildew, aphids, underground pests, and wheat spiders. Stripe rust monitoring should adhere to the combination of spore capture and field surveys, professional surveys and mass surveys, and keep abreast of its development and changes. 2. Grab the opportunity and highlight the focus. We must do a good job of prevention and control of strip rust, powdery mildew, sheath blight, aphids, underground pests, and weeds. We must choose efficient and safe herbicides for large-scale chemical weeding to reduce weeds and prevent injury. Formulate poisonous soil or bait to control underground pests and ensure that the entire seedlings are overwintering. For wheat stripe rust, we must adhere to the strategy of “discovering one point and controlling one” to minimize the source of overwintering bacteria. Gansu, Sichuan and other places in the area of ​​the bacteria source must carry out large-scale chemical prevention and control, control the source of bacteria, and reduce the pressure on other wheat areas. The treatment of Rhizoctonia sclerotiorum to standard plots was carried out to reduce the number of diseases in the middle and later stages. 3. Strengthen services and issue forecasts. All localities should strengthen the communication of diseases and insects information, establish reporting systems for pests and diseases, and report to the provincial stations and national agricultural technology centers on the status of pests and diseases every week for major diseases and insect pests such as strip rust. 4. Do a good job of demonstration and comprehensive prevention. We must put in place the measures and techniques for propaganda and training at different stages, and establish the demonstration area as a propaganda leader, train the masses, and improve their own bases so as to drive the surrounding farmers to comprehensively develop diseases, weeds and weeds.

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