TruGreen General Pest Management Test 7A Latest Update Graded A+

TruGreen General Pest Management Test 7A Latest Update Graded A+ ABSORPTION The movement of a chemical into plants, animals (including humans), and/or microorganisms. ACARICIDE A pesticide used to control mites and ticks. Amiticide is an acaricide. ACTIVE INGREDIENT The chemical or chemicals in a pesticide responsible for killing, poisoning, or repelling the pest. Listed separately in the ingredient statement. ACUTE TOXICITY The capacity of a pesticide to cause injury within 24 hours following exposure. LD50 and LC50 are common indicators of the degree of acute toxicity. (See also chronic toxicity). ADJUVANT A substance added to a pesticide to improve its effectiveness or safety. Same as additive. Examples: penetrants, spreader-stickers, and wetting agents. ADSORPTION The process by which chemicals are held or bound to a surface by physical or chemical attraction. Clay and high organic soils tend to adsorb pesticides. AGGREGATION PHEROMONE See pheromone. AEROSOL Amaterial stored in a container under pressure. Fine droplets are produced when the material dissolved in a liquid carrier is released into the air from the pressurized container. ALGAE Relatively simple plants that contain chlorophyll and are photosynthetic. ALGICIDE Apesticide used to kill or inhibit algae. ANTI-SIPHONING DEVICE A device attached to the filling hose that prevents backflow or back-siphoning from a spray tank into a water source. ANTICOAGULANT A chemical that prevents normal blood clotting—the active ingredient in some rodenticides. ANTIDOTE A treatment used to counteract the effects of pesticide poisoning or some other poison in the body. ARACHNID A wingless arthropod with two body regions and four pairs of jointed legs. Spiders, ticks, and mites are in the class Arachnida. ARTHROPOD An invertebrate animal characterized by a jointed body and limbs and usually a hard body covering that is molted at intervals. For example, insects, mites, and crayfish are in the phylum Arthropoda. ATTRACTANT A substance or device