Insecticide mode of action refers to the insecticide into the insect body approach, are: insect body wall by entering: Pharmacy and insect cuticle or tarsus 5% after exposure to an acre of land granules manufacturers, can penetrate the body wall into the body and Granules wholesalers 5 percent an acre of land to reach the site of action, so that the insect poisoning. This mode of action, known as contact action. Drugs having contact action of 5% granules acre of land, known as contact insecticide. As usual phoxim, parathion, deltamethrin, fenpropathrin (Fenpropathrin). Pesticide Sensitivity: melon-term use of chlorpyrifos easy to produce injury, while avoiding the use in some flowering crops. Malathion insecticide containing ingredients such as the use of high concentrations of melons, pears, peaches, grapes, beans and cruciferous crops sensitive tomato seedlings should not be used.