PA Pesticide Applicator Exam Core Info Correctly Answered

PA Pesticide Applicator Exam Core Info Correctly Answered Bioaccumulation - ANSWER The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism. Biomagnification - ANSWER Accumulation of pollutants at successive levels of the food chain abiotic factors - ANSWER natural control measures within the environment. EX: climactic factors, air/water pollution, topographic features. Biological Control - ANSWER The use of natural enemies to control pests. EX: Predators, Parasites, Pathogens Cultural Control - ANSWER These are Practices that reduce pest establishment, reproduction, dispersal and survival. EX: Mowing, irrigation, aeration, fertilization and sanitation. Genetic control - ANSWER Making use of plant varieties that are naturally resistant to insect feedings. Mechanical/Physical control - ANSWER Kills a pest directly or makes its environment unsuitable EX: Rodent traps, deer fences, mulches, barriers Regulatory control - ANSWER Removal of pests that cant be controlled at a local level. Utilizes quarantines to prevent entry of pests at airports or ocean ports and can be used to remove pests with government power. (i.e. draining standing water that provides breeding sites for mosquitos.) Mode of action - ANSWER How chemicals kill a pest Site of action - ANSWER The specific biological system affected within the pest Economic threshold - ANSWER The point at which the economic loss caused by pest damage outweighs the cost of applying a pesticide. (Treat pests when they pass the economic threshold) Economic injury level - ANSWER the pest population density that causes losses equal to the cost of control measures Action threshold - ANSWER the predetermined level at which pest control is needed Certified applicator - ANSWER A person qualified to apply or supervise the application of restricted-use pesticides. Private applicator - ANSWER A certified applicator who uses or supervises the use of any restricted-use pesticide to produce an agricultural commodity. Commercial applicator - ANSWER A certified applicator who uses or supervises the use of pesticides for purposes other than those covered under a private applicator certification. Food Quality Protection Act (FQPA) - ANSWER set pesticide limits in food, & all activ