"Pollution-free" vegetable production is the trend of the times. The majority of vegetable growers have already had a profound understanding of this. However, five kinds of high-toxic and high-residue pesticides, such as methamidophos, which have been used by vegetable farmers for a long time, have been banned in technical regulations for the production of pollution-free vegetables. Here are several alternative pesticides that banned pesticides and achieve the same control effect. Methamidophos: It is a broad-spectrum insecticide, used to kill all kinds of pests before, but it is highly toxic and has a residue period of more than 30 days. It often causes human and animal poisoning and is the first banned pesticide for pollution-free vegetable production. Production should pay attention to: 1. Lepidoptera pests such as cabbage caterpillar, diamondback moth, and soybean meal. There are two types of alternative pesticides: one is biological pesticides, such as mothworms, quick killing, centuries-killing, Tao Xiaoling, and farmland music; the second is the use of compound pesticides, the common compounding is dichlorvos + BT, dichlorvos + kungfu and so on. Use should pay attention to: 1 in the low insect pest spraying control, the effect is good; 2 rotation of various types of insecticides, more use of biological pesticides, to prevent pests produce resistance; 3 pesticides are now more than a contact effect, should choose pests foraging The period of spraying the best, such as pods in the morning 6:00-8:00 climbed out of the beans for food, this time the best effect of insecticide spraying. 2. For the yellow scoop swiftlet, Huang Shougua and other migratory pests. Alternative pesticides include dichlorvos, farmland, and phoxim. Use should pay attention to: 1 large area at the same time the effect of prevention and control is good; 2 a lot of yellow scoop leaps, in addition to spray control, but also should be used to kill underground larvae; 3 interval 5-7 days, continuous control 2-3 times . 3. Locust, whitefly pests. Easier to kill, use plutonium, dichlorvos and other agents can be timely control. Dicofol: Previously used primarily to kill red spiders, mites, etc. The alternative pesticides include insect glycosides, insect fleas, and ephedrine, which have significant effects after use. Wenzhou Celecare Medical Instruments Co.,Ltd , https://www.celecaremed.com