Illinois Aquatics Pesticide License Questions and Correct solutions 2024/2025

Illinois Aquatics Pesticide License Questions and Correct solutions 2024 plants without stems, leaves, or vascular systems - Answer -algae three types of algae - Answer -microscopic, filamentous, chara turn water green, phytoplankton, turnover in spring - Answer -microscopic algae blue-greem streaks, HAB - Answer -cyanobacteria grows at surface or on submerged plants in mats, issue in cooling tower veins - Answer -filamentous algae pond moss, spirogyra, cladophora, pithophora, hydrodictyon - Answer -filamentous algae branching algae, needle leaves - Answer -chara stonewort and muskweed - Answer -chara 4 types of flowering plants - Answer -submersed, free floating, rooted floating, emergent submersed plants with simple basal leaves - Answer -eelgrass, wild celery submersed plants with alternate, FINE leaves - Answer -leafy pondweed, sago pondweed, small pondweed submersed plants with alternate, BROAD leaves - Answer -curlyleaf pondweed submersed plants with alternate MISC leaves - Answer -water buttercup, bladderwort, water stargrass submersed plants with opposite leaf arrangement - Answer -cabomba, southern naiad submersed plants with whorled leaf arrangement - Answer -American elodea, water milfoil, Eurasian milfoil, coontail, Brazilian elodea or egeria, hydrilla free floating plants - Answer -duckweed, watermeal, mosquito fern, european frogbit rooted floating plants with only floating leaves - Answer -american lotus, water lily, spatterdock, watershield, frogbit, waterchestnut, yellow floating heart rooted floating plants with submersed and floating leaves - Answer -american pondweed and illinois pondweed herbaceous emergent grasses - Answer -reed canary grass, phragmites, giant reedherbaceous emergent grasslike plants - Answer -spikerush, bulrush, cattail, yellow flag iris herbaceous emergent broadleaf plants - Answer -creeping water primrose, false loostrife, purple loosestrife, american water willow, pickerel weed, arrowhead, water smartweed woody emergent plants - Answer -buttonbush, willow what benefits do aquatic plants provide - Answer -provide food and habitat, produce oxygen, improve water clarity, stabilize shorelines and sediment what problems to aquatic plants cause - Answer -restrict recreation, fish kills, invasives, slow drainage systems, HAB, habitat for mosquitoes elimination is only necessary when - Answer -water source is solely for delivery of water or invasives like purple loosestrife appear a BLANK community of BLANK aquatic plants - Answer -diverse, native percentage of surface area that should be covered by plants in a lake - Answer -10-20% major invasives in the midwest - Answer -eurasion watermilfoil, curlyleaf pondweed, purple loosestrife, phragmites 2 most important factors that affect plant growth - Answer -light and nutrients portion of a body of water in which enough light can penetrate to support aquatic plant growth - Answer -photic zone bottom of photic zone is equivalent to - Answer -1% of full sunlight major nutrients of concern - Answer -nitrogen and phosphorous nutrients can enter aquatic systems by - Answer -decomposing plant material, rain, runoff for plants, temp and day length affect - Answer -life cycle and geographic distribution which plants need protection from water flooding - Answer -cattails 6 preventative controls to nuisance plants - Answer -discourage geese, make people aware, control plants early, ensure proper watershed to surface ratio, proper depth and shoreline slope, reduce or eliminate nutrient sourcesIL Pesticide Applicator License with Correct Solutions 2024 what is a pest? - Answer -any organism that is injurous to humans or to their structures, or to plants or animals of interest to humansWhat is IPM? - Answer -Integrated Pest Management. an efficient pest management approach that minimized environmental impact. Elimination of pests is not necessarily the goal of IPM. What are the goals of IPM? - Answer -1) to keep pest populations below the economic injury level in production crops and below the aesthetic injury level in noncrop or ornamental plantings. 2) to avoid adverse effects on humans, wildlife, and the environment IPM optimizes, NOT maximizes pest control. What is the economic injury level? - Answer -the breakeven point at which the cost of pest control equals the revenue loss caused by a pest. Defines how much damage can be tolerated. What is the aesthetic injury level? - Answer -the number of pests that might cause enough damage to the appearance of a plant to warrant the cost of control. This is a subjective level, that depends on owner/management, and their standards. What is the key to successful IPM? - Answer -scouting- monitoring the amount of pests present. What are the types of nonchemical control? - Answer -cultural control, mechanical control, biological control, and preventative control What is cultural control? - Answer -management that improves plant health so that plants are able to compete better against pests. What are examples of cultural control? - Answer -soil preparation, fertility, proper planting, plant selection, crop rotation, mulching, and mowing What is mechanical control? - Answer -management that physically eliminates the