Direction of pesticides: Pesticides remain the dominant position of insecticides, fungicides and herbicides, pesticides and other three types of international pesticide market is the main international pesticide market. 2004 insecticides, fungicides, herbicides cent of the global pesticide market sales ratio of 25:24:48. Pesticides Category: Press the mode of action. Fumigant. The occurrence of pests or pathogens toxic vapor Luoyang peanut regulators, such as the use of methyl bromide and other volatile gases, liquids or solids toxic. Press toxicological effects can be classified as: nerve agents. Acting on the nervous system of pests, such as DDT, parathion, carbofuran, pyrethrins and the like.