Contact insecticide and permeable insecticide

The main efficacy is that pesticides such as chemicals or microorganisms that kill pests and insect growth regulation can be diluted to spread or induce food, so that pests can come into contact with or eat this pesticide, so that it can penetrate through the skin and consume organs to absorb pesticides to protect plants from chewing, stabbing and harm by pests. According to the insecticidal function:

(1) contact insecticides: its function is only for pests to contact pesticides and penetrate through the skin, causing poisoning and death. this type of pesticide is effective only if pests come into contact with pesticides.

(2) infiltrating insecticides: its function is that the agents are dispersed on the plant tissues, and the agents can infiltrate and migrate into the plant tissues, and when the pests feed, they will cause poisoning and death, so as to achieve the effect of insecticidal control.