Chlorpyrifos is currently the most widely used Insecticide and can be used to control a variety of pests. For different pests, the ratio of chlorpyrifos is different. Let's take a look at it with Xiaobian.
1. Control cotton aphids and red spiders, use 40.7% emulsifiable concentrate 50 ml per acre, spray 30-40 kg with water; control cotton bollworm, red bollworm, diamond, etc., use 40.7% emulsifiable concentrate per acre 60-80 ml, water 50 to 60 kg spray.
2, control fruit trees, heartworm, leaf mites, leaf miner, etc., spray with 400.7% emulsifiable oil 800 ~ 1500 times.
3, control wheat field aphids, sticky insects, 40.7% milk per acre 40 ml, 40 to 50 kg water spray; control soybean heartworm, Spodoptera litura, rice blast, rice leaf roller, rice planthopper, etc., per acre Use 40.7% emulsifiable concentrate 80-120 ml, spray 50-70 kg with water.
4. Control peanuts and soybean underground pests, use 40.7% emulsifiable concentrate of 150-200 ml per acre or 1.5 kg of 15% granules, mix 50 kg of fine sand, sown in the roots of the crops, and then slash.
5, control of cabbage caterpillars, Plutella xylostella, 40.7% emulsifiable oil per acre 80 ~ 150 ml, 50 to 60 kg of water spray.
Pay attention when using chlorpyrifos.
First, the operator should not let the liquid contact the skin and eyes.
Second, do not mix with alkaline pesticides .
Second, it cannot be used on tobacco.
Fourth, the last dose of various crops was 21 days for cotton, 10 days for wheat, 7 days for rice, 14 days for soybeans, and 21 days for peanuts.
More Pesticide knowledge, please pay attention to pesticide network
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