Pesticide toxicity - Study guides, Class notes & Summaries

WA Pesticide Test Exam Questions With 100% Correct Answers An inversion is when warm and cool air mix, causing turbulent air. T/F - answerFalse Which of these herbicides is more toxic? paraquat with an LD50 of 50 mg/kg 2,4-D with an LD50 of 700 mg/kg - answerparaquat with an LD50 of 50 mg/kg Which of the following must be recorded for a landscape herbicide application to be in compliance with WSDA for pesticide application recordkeeping? Starting and ending time of application Target pest(s) Nam...

Colorado QS/CO Pesticide Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) -ANSWER Laws that provide federal control of pesticide distribution, sale, and use. EPA carries out enforcement. Users must take exams for certification as applicators. EPA must register new pesticides and re-register all existing pesticides. Applies to people who manufacture, market, distribute, use, or dispose of pesticide products. What are the two main pesticide classifications? -ANSWER General use ...

What is a "recommendation" for and "agricultural use" of a pesticide as defined in the Food and Agricultural Code" - advising a person to use fungicide X to control a lawn disease on the ninth green of Lush Hills Country Club What statement is NOT true of research authorizations - permits are required of pesticide registrants engaged in experimental work with pesticides on property under their control Which of the following firms does NOT need a pest control business license issued by ...

Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) -ANSWER Laws that provide federal control of pesticide distribution, sale, and use. EPA carries out enforcement. Users must take exams for certification as applicators. EPA must register new pesticides and re-register all existing pesticides. Applies to people who manufacture, market, distribute, use, or dispose of pesticide products. What are the two main pesticide classifications? -ANSWER General use and restricted use Gen...

Define IPM - ANSWER-1. a pest population management system that anticipates and prevents pests from causing damage. 2. an ecological approach to pest control. Components of IPM - ANSWER-1. Pest identification 2. Monitoring 3. Use of natural enemies (biological control) 4. Pest-resistant plants 5. Cultural and structural changes 6. Judicious use of least toxic pesticides Intent of IPM - ANSWER-To use tactics that include pesticide alternatives that reduce the total amount of pestici...

Falsifiable concentrates (EC or E) - Answer-Formulations made up of the technical material, solvents and emulsifiers. Some agitation is required. Once dry, pesticide residue is barley visible. Wettable Powder (WP) - Answer-These formulations are made by impregnating or coating an appropriate powder with the technical insecticide. Wettable Powders do not dissolve in water and frequent agitation is usually required. Heavy applications may leave visible deposits. Soluble Powders (SP) - Answer-...

Iowa Commercial Pesticide Applicator Category 1A Latest Update Graded A What is the greatest hazard when applying most herbicides? Injury to nontarget plants Name some herbicides which are very effective against germinating weeds but less effective on established weeds. Frontier, Lasso, and Dual What soil conditions reduce the activity of many herbicides and require increased rates for adequate weed control? Higher levels of soil organic matter or clay Two herbicides which are more active on ...

Abiotic disorder - Answer- A non-pest plant stress such as improper nutrition, too much or too little water, winter or frost injury Action threshold - Answer- The pest density at which action (such as pesticide application) is justified to prevent further damage. Adelgid - Answer- An insect closely related to aphids that feed on conifers. Their feeding often causes galls to form. Aesthetic injury level - Answer- The point at which damage from a pest becomes noticeable enough to negative...

CA BRANCH 3 PESTICIDE TOXICITY –Questions And Answers

Colorado Outdoor Vertebrate Pest Control Exam Questions and Answers (Graded A)Colorado Outdoor Vertebrate Pest Control Exam Questions and Answers (Graded A)Colorado Outdoor Vertebrate Pest Control Exam Questions and Answers (Graded A)Absorption - ANSWER-The process by which pesticides are taken into animals, including humans, and porous surfaces (soil). Active ingredient (a.i.) - ANSWER-The chemical or chemicals in a product responsible for the desired effects, which are capable of preventing...