From April 15th to April 16th, Anhui Plant Protection Station held Huainan City to hold the conference on major diseases and insect pest occurrence trends and prevention techniques in mid and late afternoon crops in the province. From the nearest to the beginning of May, the whole province will have to arrange two total preventions. The first overall control was in the early part of April, and a wheat scab was the main treatment object in the wheat fields along the northern Huaihua and Huaihe River valleys. Among them, wheat powdery mildew was treated and treated in the Huai Mai District, picking up the midge, the armyworm, and the heading stage. Aphid; picking up armyworm, powdery mildew, and midplasma in the northern wheat region of the Yangtze River and the Yangtze River; carrying out an overall prevention and control of wheat midge, powdery mildew, and head locust in the wheat fields of the northern and central parts of the Yangtze River and Huaibei, and preventing scab on the basis of weather conditions; In the south and south of the Jianghuai and Huaihe River areas, a medium- and late-maturing wheat scab was the main target of treatment, and the overall control of aphids was selected. The second overall control was from the end of April to the early period of early May. The overall control of the central and northern parts of the Huaibei region to prevent and control wheat aphids was the main target. Experts pointed out that on the basis of strengthening monitoring of pests and diseases, all localities should “see the weather, see the insects, and see the seedlings†and use drugs as they choose. Fusarium head blight is applied when the rate of wheat flowering plants is about 10%%; when the rate of wheat leafy mildew and leaf rust disease is 20%, the medicine is used in a timely manner; the strip rust is applied in time to control the onset center; wheat midge is in April. On the 20th, the treatment of pharmacology was carried out at the height of adulthood. To use high-efficiency drugs on the road. For the control of wheat powdery mildew and rust, triadimefon, carbazole, etc. should be used; for control of head blight, carbendazim suspension, carbendazim ultrafine powder, or powdery mildew suspension agent should be used; prevention of midge and stickworm The use of beta cypermethrin or dichlorvos, etc.; the control of wheat ear head aphids should use imidacloprid, acetamiprid and so on. For fields where multiple pests and diseases are mixed, it is recommended that pesticides be mixed and used to prevent multiple diseases and reduce control costs.
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