Wisconsin Pesticide Applicator Practice Test 2023 (solved)

The goal of IPM isn't to eliminate the entire pest population but.... - Answer- To avoid adverse effects on humans, wildlife and the environment Which of the following words is that number of pests per plant or the amount of damage to a plant at which point control measures should begin? - Answer- Economic Threshold The disease that is generally the result of unfavorable growing conditions, such as temperature or moisture extremes, soil compaction, pesticide or fertilizer excess, etc..? - Answer- Noninfectious Disease The first step in planning a successful weed control program is - Answer- Identify the weed (scouting) Broadleaf weeds differ from grasses how - Answer- They have netted veins that are usually less elongated than that of grass leaves. This weed germinates in the spring, develops a root system and a low-growing cluster of leaves called a rosette? - Answer- Biennial The part of the pesticide that kills is the? - Answer- Active ingredient What do Wettable powders require when mixed with water.... - Answer- agitation What do Surfactants do? - Answer- Decrease the surface tension of water, allowing the water carrier to spread over the surface. Can you mix two pesticides together if the label doesn't specify they can be mixed? - Answer- Yes, your responsibility to make sure they retain their properties. How can you tell two pesticides are not compatible? - Answer- The mixture may curdle, gel or become sludge like. The pre-harvest interval is the? - Answer- Amount of time that a crop can be harvested after it has been sprayed. Which of the following is on every label? - Answer- Keep out of Reach of Children. Who can purchase Restricted Use Pesticides? - Answer- Certified Applicators or persons under their direct supervision. What part of the label should you look under to find the minimum PPE you should wear? - Answer- Precautionary Statement. How often should you read the pesticide label? - Answer- Every time you purchase the product The Office of Safety and Health Administration protects the nation's workers through dissemination of information.... - Answer- "Worker Right-to-Know" Which of the following dermal exposures is the most serious? - Answer- When a pesticide mixed with oil crosses the skin barrier and into the bloodstream, the results can be fatal. If you spill highly concentrated chemicals on your cloths how should you clean them? - Answer- Don't, dispose of them properly. When filling, rinsing, draining, and cleaning your equipment preferably the area should have? - Answer- A wash pad, wash rack, or concrete apron with a well designed sump to catch contaminated water. What is the best way to get rid of excess chemical? - Answer- Dilute excess and reapply to area, but do not exceed label rates for area. What is a major concern of drift? - Answer- Off target damage to vegetation and people. Which of the following is important to consider when purchasing and applying a pesticide? - Answer- a) The label is a legal document b) Before you buy and apply a pesticide read the label c) A General Use pesticide is not given a classification on the label *****All of the above***** What is a major complaint to the Dept. of Agriculture about spraying? - Answer- Drift from farms, etc... If you were going to spray an area and there are bee colonies with-in two miles what should you do? - Answer- Contact the bee keepers 48 hrs. in advance so the colonies can be moved. When is the best time to spray if bees are in the area? - Answer- Dawn and dusk. Must be used with special caution near bee hives, since bees may carry them back to the hive and poison the entire colony? - Answer- Microencapsulated herbicide How would you determine if the pesticide you are using is prone to volatilization? - Answer- Check the label, often indicates. Who do you have to contact if you have a chemical spill? - Answer- DNR Pesticide breakdown is much slower in groundwater, why? - Answer- Low oxygen and light conditions. Which of the following influences a pesticides leaching ability? - Answer- Soil texture and organic matter. A highly soluble pesticide is....? - Answer- Poorly adsorbed and more likely to leach. What type of nozzle sprays in a cone pattern with droplets throughout? - Answer- Solid-cone. What do you do when raising the boom sprayer you? - Answer- Reduce or eliminate the overlap and increase drift. What are some factors that you should think about before spraying? - Answer- Wind, temperature, droplet size... When using a tree injection system you should? - Answer- Use low pressure and allow the tree to uptake chemical. For treatment to be effective against perennial weeds? - Answer- Must use a translocated herbicide to control vegetative reproductive structure What should you do if you spill chemical on your clothes? - Answer- Remove clothes, wash area thoroughly with soapy water, etc. When should The PPE that you wear when applying pesticides should be laundered? - Answer- Wash as soon as possible, do not let clothes sit around. What type of nozzle would you use for a band application - Answer- Even flat fan or flat fan nozzle What pump would you use if you wanted low flow rates and psi of up to 1000 - Answer- Piston. When laundering clothes that were worn while spraying...? - Answer- Launder daily (within eight hours), keep separate from other clothing and inform person washing clothes of pesticide use How do you proper clean your nozzles? - Answer- Move to an area where it is safe and use a nozzle brush to clean nozzles. When tanking mixing concentrates or highly toxic sprays...? - Answer- Wear a face shield or tight fitting goggles with antifog lenses and indirect venting. Which substance produces gas, vapors, fumes and requires special licensing to handle? - Answer- Fumigants Who enforces the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA)? - Answer- Who enforces the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA)? Who is responsible for enforcing the laws that regulate the use of pesticides for structural pest control? - Answer- Wisconsin Department of Public Health. An individual who applies pesticides for any purpose on property other than that owned, rented or leased by themselves or their employer is a ...? - Answer- Commercial For Hire Pesticide Applicator. To purchase a "restricted" use pesticide? - Answer- Must have a current valid pesticide license or certification # must be recorded on the retail invoice. Lawn Care Products Application and Notice Act require? - Answer- Placement of markers immediately after application to lawn is made Applicators of "restricted" use pesticides must keep records for two years of what? - Answer- Product used, amount applied, size of area treated, crop, commodity and location, date and name of applicator. What are the types of control methods? - Answer- Cultural, mechanical, biological, chemical What is the breakeven point at which the cost of pest control equals the revenue loss caused by a pest? - Answer- Economic injury level What are these symptoms: soil compaction, pesticide or fertilizer excess, temperature and moist extremes? - Answer- Noninfectious disease What is a yellowish-green coloration in normally green tissues such as leaves? - Answer- Chlorosis What does a biennial weed do? - Answer- Seed the second summer and die in the winter What type of herbicide is best for perennial weeds - Answer- Systemic (translocated) herbicides What does A.I. Stand for ? - Answer- active ingredient What order do you put these in a tank to mix them properly Soluble powders (SP), Wettable powders (WP) and Flowable (F)? - Answer- Fill tank 1/4 to 1/2 full with carrier. Begin agitation. Add utility agents if needed (buffers) Add Dry pesticides: Wettable Powder (WP ) Add Wet pesticides: Flowable (F) Add Solution forming pesticides: Soluble (SP) Add Spray modifiers Finish filling tank with carrier (ie. from hardest to dissolve to easiest) What happens with Wetable Powders (WP) - Answer- They wear out pumps and nozzles What are necessary for the development of an infectious plant disease - Answer- Susceptible host, Plant Pathogen, Favorable Environment and Time What type of weed germinates in the spring, develops a root system and low growing cluster of leaves called a rosette? - Answer- A Biennial weed Which of the following is not a type of pesticide? - Answer- a) wettable powder b) microencapsulated c) ****surfactant**** d) soluble powder Pesticide failure can be caused by which of the following? - Answer- a) pest resistance b) inappropriate rate of pesticide used c) environmental factors unfavorable for pesticide activity d)****all of the above**** What does LD 50 stand for? - Answer- Dose that kills half of the test animals (stands for lethal dose (LD) for 50%) How do you prevent back-siphoning of pesticide back into the water supply? - Answer- Keeping an air gap or using anti-siphoning devices on garden hoses How should you transport herbicide? - Answer- Checks to make sure all containers are not leaking. Do not transport with: Food animal feed or animal supplies. Tie down and secure containers How should you store herbicide? - Answer- Store downwind and downhill from houses, play areas and ponds Store away from human and livestock areas to avoid contamination in case of fire Signs posted with a locked door What type of exposure occurs if chemical blows onto an operator's chest? - Answer- Dermal exposure When should you not spray to prevent drift? -