Selective herbicide - Study guides, Class notes & Summaries

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 ...

CALIFORNIA APPLICATOR LICENSE STUDY GUIDE EXAM 2024 235 QUESTIONS WITH ANSWERS[A GRADE] 1. Which of the following are pests? 1 Mites 2 Plant Pathogens 3 Weeds 4 All of the above 2. Which of these options is considered primitive pest control? 1 Clubbing rats 2 Aerial application of pesticide 3 Bioaccumulation 4 Hand Pump Pesticide application 3. When certain pesticides are used repeated- ly . 1 The environment is more greatly damaged 2 Pests develop resistance 3 All pests are usual...

When a pest reaches the , pest management procedures need to be applied to prevent it from reaching economically damaging populations.- : Economic Threshold 2. Protectant fungicides must be applied BEFORE infection occurs. (True or False): True 3. The key to minimizing the hazards of pesticide use to the applicator is to Avoid Exposure ANS True 4. The use of plants resistant to pests is a control method. a. mechanical b. biological c. genetic ANS. genetic Private Pesticide Applicator...

PA Applied Horticulture 6157 NOCTI Questions with Verified Answers The _________ a tool is, the safer it is to use. a. larger b. duller c. sharper d. smaller c. sharper 2. When working with herbicides, protective equipment that should be worn includes a. loose clothing b. safety glasses c. leather boots d. knee pads b. safety glasses Toxicity is the term used to describe the capacity of a __________ to cause short-term or long- term injury. a. pesticide b. bacteria ...

What type of herbicide can pass into the vapor phase? - Answer- Highly volatile herbicide What are herbicide kills only part of the plant that it - Answer- Contact herbicide Weeds are plants that grow 3 or more years - Answer- Perennial Which of the following factors would have the least effect on the movement of herbicide from the application site? - Answer- Type of soil it is applied to and the type of equipment that is used What is the time interval that must be observed before an...

What type of herbicide can pass into the vapor phase? - Answer- Highly volatile herbicide What are herbicide kills only part of the plant that it - Answer- Contact herbicide Weeds are plants that grow 3 or more years - Answer- Perennial Which of the following factors would have the least effect on the movement of herbicide from the application site? - Answer- Type of soil it is applied to and the type of equipment that is used What is the time interval that must be observed before an...

Oregon Pesticide Examination: Ornamental and Turf Herbicide Questions and Answers 100% Pass Integrated Pest Management: What is the definition of IPM? - Correct Answer ️️ -Integrated Pest Management Integrated Pest Management: What are some of the advantages of IPM? - Correct Answer ️️ -Regulations, Environment and Economics. Integrated Pest Management: What are some of the control methods under IPM? - Correct Answer ️️ -Prevention, mechanical, cultural and chemical. Integr...

What is a fumigant • Gases liquid, solids • Odorless and invisible • Toxic when absorbed or inhaled • Spread & penetrate spaces & materials • Non-selective pesticide (kills all) • Concentration, time, temp & humidity • No residual or post application protection • Forms • Cylinders • CO2: Carbon Dioxide: treat stored commodities, containment structures, and outdoor burrowing rodents • SO2: sulfur dioxide: wine barrels, corks, certain commodities Pros vs Cons ...

CDFA IPM Exam 2023/2024 (Revised) A+. 2,4-D is used to control? - ANSWER annual broadleaf weeds in crops Spry Oil Properties - ANSWER High Viscosity in Summer with high heat: Less Phytotoxic Low Viscosity in Winter with low heat: Heavier Oil What is 2-4D amine? - ANSWER Salt What are IGR? - ANSWER Insect Growth Regulators, Mimic natural hormones and interfere with growth Herbicides adsorbs/binds to which kind of soil? - ANSWER Soil with high organic/clay content and Low pH, high temperat...

Iowa 3OT Pesticide Manual Exam Questions And Answers With Verified Solutions EPA reported this much was spent on pesticide use for industrial/commercial/government sector and this much was spend for home and garden sector in 2012 - answer1.4 billion; 3.3 billion Define integrated pest management - answerSystem that uses all available and suitable pest control tactics to reduce pest populations to tolerable levels while minimizing adverse environmental side effects. Explain how aesthetic threshol...