Wheat bran not only directly harms wheat, but it is also one of the main transmission media for wheat virus disease. 1.75% 3911 EC 150 grams of water 5 kg, sprayed on 50 kg of wheat seed, stuffing 12 hours after sowing. The efficacy period can be maintained about 35 days after emergence. It can prevent and control underground pests at the same time. 2.70% chlorbenazolone 0.5 kg WP, 5 kg watered, sprayed on the wheat seed, stuffing stuffy after sowing, the effect is good. 3.50% of newer fog mist wettable powder 15 ~ 25 grams per acre, watered 60 kg spray, the effective period of up to 20 days. 4.15% dimethoate powder spray 1.5 to 2 kg per acre, or 40% dimethoate EC 1000 to 1500 times spray, can control leafhoppers, migratory locusts, wheat red spider and so on. 5.40% omethoate EC 1500 to 2000 times liquid spray. Pest resistance to dimethoate works well. 6.40% of new omethoate EC is 60-70 grams per mu and 40 kg of water spray, the effect can reach more than 94%. 7.40% Long-term Promethophan EC 60-70 grams per mu and 40 kg of water spray. 7 days control effect is still up to 85% to 96%. 8.2.5% deltamethrin emulsifiable concentrate 40 grams of water plus 60 kilograms of spray can be used to treat pests such as cotton bollworm and other pests of armyworm and cotton. 9.20% of the solution of seminalin emulsifiable concentrate contains 17 kg of water per mu and 60 kg of spray of water. The 7-day control effect can reach 100%. 10.10% of cyhalothrin EC is sprayed with 20 kg of water per mu, and the effect of 7 days of control is 99.8%. 11.10% nesi-chlorate EC spray 40 grams per acre and 60 grams of water. 12.20% of cypermethrin was sprayed with 70 grams of water per acre and 60 kg of water. After 3 days, the reduction rate of insect population was more than 95%. 13.50% Quick-release Phosphorus EC 25 grams per acre plus 60 kg of water spray. 14.50% of monocrotophos EC is 20 grams per mu and 60 kg of water spray. 15.50% phoxim EC 1000x spray. 16.50% dibromo-phosphorus EC 1500 to 2000 times liquid spray. 17.80% dichlorvos EC 1500-2000 times spray. The above medicines can be combined with leafhoppers and planthoppers for comprehensive prevention and control, so as to improve the comprehensive control effect and reduce the cost.
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