Wheat seed coating pest control

Wheat seed coating pest control

Pre-sowing wheat seeds and dressing seed dressings is a key measure to reduce the number of pests and diseases, advance prevention and control, and reduce the incidence of pests and diseases in the coming year. Through seed dressing seed dressing, can effectively control wheat rust, powdery mildew, sheath blight, smut, full-bleed disease, virus disease, underground pests, wheat aphids, planthoppers and other pests and diseases.

Chemical seed dressing technology

Insecticides: Insect pests generally occur in areas where 40% phoxim is used to seed 0.2% of the seed weight. 48% chlorpyrifos EC can also be used to seed 0.3% of the seed weight. The underground pests such as cockroaches, cockroaches, and golden-needle beetles deal with spider mites, aphids, and planthoppers.

Fungicides: wheat smut, scattered smut, root rot, sheath blight, full-bleeding and other areas, can use 2% tebuconazole (Li Kexiu) dry mix or wet mix 10-15 10 kg of mixed wheat seed, or 2.5% of fludioxonil (Closure) suspension concentrate 10-20 ml mixed seed 10 kg, or 40% pentachloronitrobenzene seed dressing at 0.4%-0.5% of the seed amount.

Growth agent: You can use 0.5% seed for dryland dragons, or 0.2%-0.3% potassium dihydrogen phosphate, to increase the seedling rate, promote the speeding up of the seedlings, strengthen their resistance to diseases, and reduce the chance of pathogen infestation.

Precautions: The dosage of seed dressing agent must be strictly in accordance with the requirements. Generally, the insecticide is diluted with water to the required amount, and the liquid is uniformly sprayed on the seed with a sprayer. After being dulled for 4-6 hours, it is dried and dried. The fungicide and conditioner must be mixed with the soy sauce before the broadcast. In addition, there must be someone responsible for the seed dressing of pesticides, and they should be strictly implemented in accordance with the operating specifications. Do not smoke, drink water or eat snacks while mixing medicines; wash and wash hands after mixing medicines, and mix wheat seeds with pesticides separately; strictly prohibit the occurrence of human-animal poisoning accidents.

Seed coating technology

Seed coating has the advantages of simple, slow-release, long-lasting, etc. In addition to pest control, it also has the effect of seed fertilizer. All districts and counties can select the appropriate formula seed coating according to the type of pests and diseases. Such as the prevention and treatment of wheat sheath blight, root rot, smut, and other diseases, can choose 25 grams per liter fludioxonil suspension seed coating agent, 0.5-1 kg of water per 10 ml of water, mix 10 kg of wheat seed Or 30 g/L Difenoconazole Suspension Seed Coating Seed Dressing 0.2%-0.3% seed dressing, or 15% more Fufu Seed Dressing 1 to 60-80 (drug ratio) dressing. Such as the prevention of locusts, underground pests and rust and other diseases, can choose 60% imidacloprid suspension coating agent (Gao Qiao) 30 ml +6% tebuconazole suspension seed coating agent (Li Kexiu) 10 ml, add water 0.3-0.4 kg , coating 15-20 kg. Note: The seed coating should be as early as possible to ensure that the efficacy is fully absorbed by the seed.

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