How to prevent pests and diseases during the regreening and jointing stages of wheat? Are there any good ways?

Mixed application of pesticides during the greening stage of wheat diseases and insect pests, one spray has multiple effects. According to the actual occurrence of diseases and insect pests, comprehensive prevention and control can be carried out by mixing and spraying pesticides, fungicides and herbicides in different amounts to achieve the effect of multiple treatments with one spray. To control sheath blight, 150-200 ml of Jinggangmycin aqueous solution per acre can be used, mixed with 75-100 kg of water, or 50-75 g of carbendazim wettable powder can be used per acre, mixed with 50-75 kg of water, and sprayed along the line. To control the base of wheat stems, spray again every 10 to 15 days.

Wheat spiders can be controlled with 13 grams of mite emulsifiable concentrate 1500--2000 times. Then combine fertilization and weeding. Apply 10-15 kilograms of urea per acre. If the seedlings are weak, you can add 10-15 kilograms of diammonium phosphate in one go. From the jointing stage to the filling stage, potassium dihydrogen phosphate, ammonium molybdate, boric acid, zinc sulfate, and manganese sulfate can be mixed with water and sprayed on the leaves 2 to 3 times. It can be used to remedy, grow, increase production and enhance quality. The cost of using these trace elements is not high. In the spring, you can use 800 times to 1000 times of dimethicon, imidacloprid, pymetrozine, and dicofol mixed with water to control wheat aphids and spider mites once, and around the wheat fields. Grass and ditches must be sprayed for control.

Wheat midge, prevention and control methods: Pay equal attention to the control of pupae and adult stages, apply 2.5 to 3 kg of 3% phoxim granules per mu during the pupa stage, or use 50% phoxim emulsifiable concentrate per mu 250 ml, spread evenly along the wheat ridges. The main disease and insect control indicators from the wheat turning stage to the jointing stage are: sheath blight diseased plant rate of 15 to 20, underground pests with wheat seedling damage rate of 3, and wheat spiders of 600 per meter in a single row. To control sheath blight, 5 Jinggangmycin can be used at 150 to 200 ml per mu. To control underground pests, you can spray the base of wheat stems with 40 to 50 ml of 48 Lesbon EC or 50 phoxim EC mixed with 75 to 100 kilograms of water per mu.