In the past two years, serious wheat pests and diseases have occurred, including wheat full-bleeding disease, sheath blight, virus disease, root rot, underground pests, wheat midge, wheat bran, etc., in particular, wheat full-blown disease has been increasing year by year, directly affecting wheat production. The transport of grain and commodity grain. According to the survey, wheat root rot and sheath blight occur more severely. This year, there are numerous sources of bacteria and insects in the fields, and the prevention and control of pests and diseases in the sowing of wheat is the key to capturing the harvest of wheat and improving product quality. 1 Agricultural cultivation measures 1.1 The rotation was implemented. The lands with heavy rot and sheath blight are heavily replanted with non-host plant crops such as cotton, vegetables, and sweet potatoes for 2 to 3 years. This measure can reduce the occurrence of full-bleeding and sheath blight in wheat. 1.2 Use resistant, disease-resistant varieties. The smut head wheat and black-embryo wheat are not seeded to reduce the occurrence of pests and diseases. 1.3 Add organic fertilizer and phosphorus and potassium fertilizers. Before autumn ploughing, 43,000 ~ 5 thousand kilograms of soil-fertilizers, 100 kilograms of superphosphate, and 10 kilograms of potassium sulfate can promote the development of wheat root system, increase disease resistance, and effectively reduce the occurrence of diseases. If the land can be turned deeper, the effect will be better. . 1.4 Appropriate late broadcast. Seeding on October 10th can reduce the infection time of wheat germs and reduce the occurrence of total rot, root rot and sheath blight. The first kind of disease-free field can be used, and the latter kind of field can be used. 1.5 Weeds in the headland of Tanabe are destroyed, and the activity sites and habitats of the slugs, earthworms and earthworms are destroyed. 2 Chemical control 2.1 Soil treatment. All the acres of wheat with heavy land erosion are 50% carbendazim 1 kg plus 15% triadimefon 1 kg, and 25% triadimefon EC may be diluted with water 100 kg. After dilution, they will be poured in autumn. Water is poured into the soil. If it does not use water, it can be sprayed directly on the surface and then ploughed. 2.2 Vigorously promote the use of mixed pesticides and insecticides. Insecticide and fungicide were mixed and seeded before sowing, namely: 50% “1605†or phoxim 100 ml plus 2% rick Seed wet dressing agent 150 g or 2.5% Si Lok seed coating agent 100 ml (It can control wheat root rot and head smut.) The soil that has not been treated with soil after the occurrence of full-bleeding in wheat should be treated with special-purpose fungicides, that is, 12.5% ​​full eclipse with a net of 200 ml, and 5 kilograms of water. 100 kg of wheat seed, stir and mix for 4 to 8 hours, and soak after drying (the phoxim is easily photolyzed, should be protected from light, and no sunlight is allowed). Fully etched net is a new type of bactericide that cures wheat's full-blown disease. A seed dressing can control the disease in a whole process, without the need for soil treatment and pesticides. 2.3 Three-leaf spray irrigation fungicide. For lands with heavy wheat rot, root rot, and sheath blight, if no soil treatment or fungicide seed dressing measures are taken, fungicides should be sprayed at the three-leaf stage. Specific methods: 12.5% ​​wolfberry fruit 80 grams, 25% of the enemy off 100 ml, 15% Triadimefon 200 g or 50% carbendazim 500 g watered 200 kg Shun ridge spray stem base. 2.4 spray protection tape to control the planthopper. After wheat is unearthed, wheat fields containing more than 10 Sphaeroides per lore are sprayed with 50% methamidophos or omethoate 800 to 1 000 times immediately. Small plots of wheat fields, especially plots close to idle land and cotton fields To spray all over the field, a large area of ​​contiguous wheat fields sprays a protective belt of 5 to 10 meters at the end of the field. 2.5 Pay attention to soil and earthworms at the seedling stage. Bandits and cockroaches mainly threaten the early broadcast of wheat fields. After the wheat was unearthed, there were locusts and 5 pupae of land per square meter, and they were immediately treated with drugs. Specific methods: 1 spread bait. Mu was mixed with 5 kg of methamidophos or 60% of the enemy's mixture in 100 ml of 3 kg of water and 2.5 kg of sauteed wheat bran was mixed to make a bait, which was then sprinkled in wheat fields in the evening. 2 Spray control. Spray with organic phosphorus pesticide 1000 times or Chrysanthemum pesticide 2000 times. 2.6 vigorously promote winter wheat weeds. Wheat field weeds have a great impact on wheat yield, and the amount of pesticides used in spring is large, and it is easy to produce phytotoxicity on crops. To this end, we vigorously promote the winter management of weeds in wheat fields. The specific practices are as follows: From late November to early December, when thawing with frozen water or after the rain is wet on the surface, a gram superstar of 1 gram or 10% of Malorie 8 grams will be used to dilute the water. 30 kg surface spray. 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