Autumn sowing is one of the critical periods for the prevention and control of wheat diseases, weeds and weeds. It is not only able to control the disease, weeds and weeds in autumn, but also can reduce the incidence of diseases and weeds in winter and reduce the number and use of chemical pesticides. . Prevention Seed drug treatment Pre-planting of wheat seeds for coating or seed dressing is a major measure for the prevention and control of underground pests and wheat seed propagation, soil-borne diseases, and autumn seedling powdery mildew, leaf rust, wheat spiders, and planthoppers. Safeguard the key measures for the whole seedlings and strong seedlings of wheat. The districts shall scientifically adjust the types of coating or seed dressing agents according to the local occurrence of pests and diseases to ensure that wheat “white seeds†does not fall to the ground. Seed coating insecticide and fungicide formula can choose Albany 31.9 Suspension 6ml/kg (seed volume, the same below), 600g/l imidacloprid suspension coating agent 4.8g/kg+60g/l omeprazole Alcohol-suspended seed coating agent 0.5 g/kg, thiamethoxam 70% seed treatment dispersible granules 4 g/kg +60 g/liter tebuconazole suspension seed coating agent 0.5 g/kg, Coolas 600 g/kg; 50% phoxim EC can be used as seed dressing insecticide, 50% carbendazim WP can be used as seed dressing 0.2% of seed amount, insecticide and bactericide can be mixed with liquid, and stuffy 4-6 hours, soak after drying. Phoxim dressing should pay attention to dark operation. Seedling pests and weed control In the autumn wheat field, weeds are small and have poor drug resistance. This is an opportune time for chemical weed control. Chemical weeding can be carried out in accordance with the occurrence of weeds in the field. Chemical weeding should be carried out after the wheat tillering stage and weeds at the 2-4 leaf stage. For wheat fields dominated by sow weeds, such as sow plant and leeks, 10% of tribenuron-methyl wettable powder can be used per acre, or 1 g of 75% tribenuron-methyl sulfate in suspension; Weed-based wheat fields can be treated with 70% of Clozasulfuron-water dispersible granules (3-4 grams) per acre. When the wheat bran and the planthoppers in the wheat field are serious and meet the prevention and control indicators, chemical control shall be carried out in time to prevent damage to the wheat seedlings and transmission of the virus disease. Management measures Do a good job in monitoring and forecasting pests and weeds Do a good job in monitoring pests and weeds, find out the local pests and weeds, local conditions, and guidance for classification, which is the basis for the prevention and control of pests and weeds. The plant protection departments of all districts should promptly identify the bases of occurrence of diseases, weeds and grasses of different environments, soil quality, and former crops, accurately forecast and timely release pest information. Strengthen inspection and quarantine and market supervision The seed management department must strengthen seed quarantine and quality inspection when transporting wheat seeds. It is strictly forbidden to transport seeds from infected and diseased areas to prevent the introduction of dangerous pests. All districts must promote the use of resistant varieties planted in the region according to the local occurrence characteristics of diseases, pests and weeds. We will strengthen supervision of the pesticide market and severely crack down on illegal production and sales of counterfeit pesticides. Related Links The use of wheat seed dressing agents pay attention Wheat seed dressing agent refers to agricultural products used for wheat seed treatment to prevent and control wheat, soil-borne, species-borne diseases, underground pests and some above-ground pests. Wheat seed dressing agents have become more and more popular due to their advantages of precision, reduction, environmental protection and safety. The majority of farmers pay attention. At present, there are many varieties of wheat seed dressings on the market, and most of the propaganda is to kill underground pests (such as 35% imidacloprid seed treatment suspension agent), kill aphids, and sterilization. Wheat seed dressings have been in foreign countries for many years, and they have been in China for 40 years. The first seed dressings were not used as insecticides and bactericides. They only added a layer of attachment to the seeds. This helps Sow evenly. How to choose wheat seed dressing In recent years, the use of wheat seed dressing agents has been continuously strengthened throughout the country, and good results have been achieved. However, with the expansion of the market for seed coating products, there have also been many problems with uneven quality, which has caused great losses to agricultural production. So how do you choose wheat seed dressing? Experts reminded that when selecting wheat seed dressing agents, we must select the genuine seed coating products produced by regular manufacturers to see the three certificates. The poor quality seed coating products are incomplete, or appear in the form of auxiliaries or partners. They are confusing and disrupt the market; it is necessary to see the active ingredients and dosage forms of the products. The inferior quality seed coating agent is used to make good products, such as suspension agent, wettable powder, solution and other non-skin-care agent certificates. The effect and quality are not guaranteed. It depends on film formation. High-quality film-forming agent is a high-molecular polymer, which is film-forming quickly and evenly, has good air permeability, is not easy to stuffy buds, and has full effect of liquid medicine; inferior quality seed coating agent has no film-forming agent or poor film forming property, and is burned or stuffed. The occurrence of phytotoxicity is not safe. In addition, priority should be given to the combination of insecticidal and bactericidal products. At present, the pesticide products that perform well in the domestic wheat seed coating market are 600 g/L imidacloprid seed coating agents (such as Bayer's); the better performing fungicides are 60 g/L tebuconazole. Seed coating agents (such as Bayer's Rickett). Precautions when using wheat seed dressings ◆ The seed dressing should be stored strictly in accordance with the seed dressing procedure. It is best to apply a uniform seed dressing. The seed dressing should be placed in a sturdy, airtight container, labelled, stored away from fire, heat and children, livestock can not be contacted. To the cool dry place. It is forbidden to mix with food and beverages to prevent poisoning of humans and animals. ◆ Safe operation Workers should wear rubber gloves during seed dressing and do a good job of protection. If there is poisoning, please go to a nearby hospital for medical treatment. ◆ With the mixing with the broadcast, can not be set for a long time in general wheat with fungicides after seed dressing, should immediately sow or dry after sowing. If the seed after seed dressing is used up, the rest will be destroyed and not stored for a long time. ◆ Accurately understand the amount of pesticide wheat seed dressing agent is for better growth of wheat. Improper use of wheat seed dressings can be detrimental to wheat growth. If the amount is too large, the emergence of wheat will be postponed, and the growth will be slow. In severe cases, ridges may even become vacant. Therefore, special attention should be paid to the use of “estimated†drugs when dressing wheat seed and blindly increasing the dosage. The dosage of the seed dressing should be added according to the use standard. Wheat seed dressing agent to prevent what pests Soil-borne diseases, such as sheath blight and root rot, can be eroded mainly during the germination period of the seeds. Systemic diseases, such as scattered smut, smut, etc., are mainly performed at the earing stage. Underground pests, bite the roots and stems of wheat, resulting in lack of seedlings. Ground pests, such as aphids, ashes, etc. 1. In terms of medicine: Allantoin has physiological functions such as promoting cell growth, accelerating wound healing, softening keratin and so on. It is a good healing agent and anti-ulcer agent for skin wounds. 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