Wheat diseases and pests mainly include: wheat bran, wheat smut, total erosion, root rot, scab, virus disease, rust, powdery mildew and so on. With the implementation of mechanized operations and straw returning technology, wheat pests and diseases have become increasingly serious each year. Therefore, we should increase the comprehensive prevention and control of wheat pests and diseases.
Comprehensive prevention and control of wheat pests and diseases should be based on the selection of disease-resistant varieties, reasonable dense planting, rational rotation, appropriate appropriate sowing on the basis of a good mix of three spray.
First, drug seed dressing:
In a mixture of various pests and diseases, the acres can be used with 2.5% Shilok 100 g + 5% phoxim 100 ml, about 1500 ml of water, and 50 kg of mixed wheat seed. Note: Must be mixed with insecticide when dressing, mixed with fungicide, boring 3-6 hours, dry and sowing.
Second, the spray agent:
For the first time, the wheat returned to green to get up before the mu with 96% badewing 5g + 52.25% farmland 20ml, spraying 30 kg of water opposite; the second time, wheat heading period, mu 20% triadimefon 100ml +10 20 grams of imidacloprid, 30 kg evenly sprayed on the water; the third wheat filling period, mu using 3% Tianda acetamiprid 2000 times, spraying 30 kg of water. In addition, according to the appearance of wheat, appropriate amount of foliar fertilizer can be added for each spray. This can get twice the result with half the effort. It can make the wheat fall yellow, the grain is full, the grain weight increases, and the yield per mu is about 15-20%.
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