Illinois Pesticide Applicator Exam with Correct Solutions 2024/2025

Illinois Pesticide Applicator Exam with Correct Solutions 2024 Spot Application - Answer -Treats only a portion of the total area and are used to control pests that are grouped or clustered. Band Application - Answer -treat only a narrow strip over alongside a row of desirable plants. Broadcast Application - Answer -Treats the entire area or field. Effective Swath Width - Answer -The distance each successive swatch should be offset in order to allow edges of neighboring swaths to overlap. Hydraulic agitation - Answer -A mixing method in which some solution circulates through the pump and back into the tank Mechanical Agitation - Answer -A mixing method using paddles. Flat Flan - Answer -A thin sheet of spray produced by a flat flan nozzle. Even Flat Flan - Answer -Thin sheet of spray with uniform deposits across its band width. Hollow Cone - Answer -Deposits spray in a circle with no droplets in the center. Full Cone - Answer -Spray in a circle with droplets throughout the circle. Spray quality and Droplet Spectrum - Answer -Both describe the range in droplet size that a spray nozzle produces. Drift - Answer -A pesticide that moves through the air and escapes to other areas is pesticide drift. Particle Drift - Answer -he off target movement of spray particles (droplets) through the air. Volatile - Answer -Readily vaporizable or fume producing even at relatively low temperatures. Economic Injury Level - Answer -Break-even point at which the cost of pest control equals the revenue loss caused by a pest. Economic Threshold - Answer -Is the density of a pest at which a control treatment will provide an economic return. An economic threshold is the insect's population level or extent of crop damage at which the value of the crop destroyed exceeds the cost of controlling the pest. Perennial Weed - Answer -A weed that lives for more than 2 years. It may be herbaceous or woody, depending on whether it's stem over winter.Biennial Weed - Answer -A weed that lives for two years. Biennials form a rosette in their first year of life, then produce seed and die in the second year. Adjuvant - Answer -A chemical added to a pesticide formulation or mixture to modify the physical properties or enhance performance. Back-Siphoning - Answer -The movement of a liquid pesticide mixture from a spray tank through the filling hose into the water source. Buffering Agents - Answer -Adjuvants used to reduce pesticide inactivation due to the pH of the spray carrier. Early Preplant - Answer -Application of a pesticide several weeks before a crop is planted. Antagonism - Answer -The reduction in effectiveness of one or more pesticide components when two or more pesticides are combined. Annual Weed - Answer -Weed plant that completes its life cycle in 1 year Drift Reduction Additive - Answer -A thickening adjuvant used to increase droplet size and reduce drift Emulsion - Answer -A mixture in which one liquid is suspended as tiny drops in another liquid. such as oil in water. Fan-Spray Nozzle - Answer -A nozzle designed to create a thin sheet of spray with a specific spray angle General Use Pesticide - Answer -A pesticide that will not harm the applicator or the environment to an unreasonable degree when used according to directions. Infectious plant disease - Answer -A disease caused by a pathogen that multiplies and can be transmitted from plant to plant. Leaching - Answer -Movement of dissolved materials, such as pesticides, with soil water as its percolates through (Usually downward) in the soil profile. Amount of leaching depends on amount of water present and permeability of the soil. Noxious Weed - Answer -A plant determined to be injurious to public health, crops, livestock, land or any other property. By law, noxious weeds require control under any circumstances. Orifice - Answer -Opening in a nozzle tip, duster, or granular, applicator through which the spray, dust or granules flow. Percolation - Answer -Movement of water through the soil. Penetrant - Answer -Adjuvants, such as crop oil concentrates that increase spray penetration into the leaf.Preemergence - Answer -Application of a pesticide during or soon after planting. Preemergence herbicides must be applied before weeds emerge. Postemergence - Answer -An application of an herbicide after emergence of the weed. Preplant incorporated (PPI) - Answer -Applied and tilled into the soil before seeding or transplanting. Rinsate - Answer -The liquid used to clean the inside and outside of application equipment. This liquid contains pesticide residues and must