pesticide resistance definition
Know examples of resistant field crop pests in the Northeast. Pesticide Resistance. Pesticide Resistance is the ability of a life form to develop a tolerance to a pesticide. Pests (weeds, insects, mites, diseases, etc.) that become resistant to a pesticide will not be affected by the pesticide. When pests are resistant, it is more difficult to control the pest. Therefore, it is important to try to prevent pesticide resistance. Sometimes scientists breed pesticide resistance into plants.