When it comes to biological insecticides , it has to be mentioned that Bacillus thuringiensis, Bacillus thuringiensis has a strong ability to kill pests, and can control a variety of pests, such as corn borers, sweet potato hawk moths, etc., in addition to this, Bacillus thuringiensis can also What pests to control? Let's follow the Xiaobian to understand.
1. Control cotton pests: control cotton bollworm, small bridge insects, etc., 150-200 grams per mu of wettable powder, spray 40-60 kg of water.
2. Prevention and control of vegetable pests: control of cabbage caterpillars, diamondback moths, etc., use 100-150 grams of wettable powder per acre, and spray 50-70 kilograms of water.
3. Control corn borer: use 150-200 yuan of wettable powder per acre, mix 3-5 kilograms of fine sand, and mix it evenly in the heart leaf.
5, prevention and control of rice vertical leaf roller: larva hatching peak to 3 years old, using 8,000 IU / mg wettable powder 300 ~ 400 grams per 667 square meters, you can achieve control effect.
6. Control rice locusts: 8 000 IU / microliter suspension agent 100-1 20 ml, spray evenly with water 30 ~ 45 kg, evenly spray.
7. Control cornfield corn borer: Use 6,000 IU/mg wettable powder 250-300 g per 6 6 7 square meters, spray in the corn big bell period.
8. Control sorghum corn mash: 4 000 IU / microliter of suspension agent 150-200 ml, mixed with fine sand to make toxic soil filling heart.
9. Control of soybean hawk moth: The larva hatching period, use 8,000 IU / mg of wettable powder 200 ~ 300 grams per 6 6 7 square meters.
10. Control sweet potato hawk moth: 8 000 IU / microliter of suspending agent 50-75 ml, spray evenly with water 30 ~ 45 kg.
Want to know more about pesticides , please pay attention to China Pesticide Network
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