Herbicides - Study guides, Class notes & Summaries

What determines whether a given plant is a weed? - ANSWER-A weed is any unwanted plant What are the two main goals of weed management? - ANSWER-The primary goal is to minimize weed competition and the other main goal is to limit the weed's reproduction in order to manage the weed population in years to come. Distinguish grasses from broadleaf plants and herbaceous from woody plants - ANSWER-Grasses are considered monocots, meaning they have a single seed leaf, they also have narrow leaves...

What are two key elements in preventing or reducing losses to forest pests? - Pest identification and good forest management practices (T/F) One standard set of management alternatives is effective against all forest pests and pest complexes. - False Insect pheromones are chemicals that are used by members of an insect species for ___ - Communication Pesticides should be used as part of pest management plan ___ - Only to prevent an unacceptable amount of damage In general, ____________ a...

A pesticide is defined as.... - CORRECT ANSWER Any chemical used to destroy, prevent, or control any form of life declared to be a 'pest' Pesticide group: Herbicides? - CORRECT ANSWER Weeds Pesticide group: Insecticides? - CORRECT ANSWER Insects Pesticide group: Fungicides? - CORRECT ANSWER Fungi Pesticide group: Miticides (acaricides)? - CORRECT ANSWER Mites, ticks Pesticide group: Repellents - CORRECT ANSWER Insects, vertebrates What two general types of ingredients make up a pesticide...

T/F: A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure. True The use of temperature or humidity manipulation is a __________ control method for insects. Physical Drift problems can be reduced by: Placing a boom as close to the target as possible. Which is a concern when handling an emulsifiable concentrate pesticide? It may be easily absorbed through human and animal skin. T/F: EPA and WSDA are the only federal and state agenci...

Applying pesticides correctly solved 2024 What federal agency is responsible for enforcing FIFRA? - Correct Answer ️️ -EPA FIFRA - Correct Answer ️️ -Federal Insecticide, Fungicide, and Rodenticide Act. Federal law that provides the overall framework for the federal pesticide program. What statement about FIFRA is false? - Correct Answer ️️ -State restrictions on pesticides can be more liberal than those of FIFRA. Which statements about FIFRA are true? - Correct Answer ️️ -...

What is a symptom of damage from an insect with piecing-sucking mouth-parts? - ANSWER-Yellowed Leaves What is the best reason to know the type of METAMORPHOSIS the target pest goes through? - ANSWER-To target the most vulnerable life stage. When are eastern tent caterpillars MOST ACTIVE? - ANSWER-April through early June. How many seed leaves do broad-leaves have when they emerge from the soil? - ANSWER-Two. Annual weeds reproduce by__________. - ANSWER-Seeds. What TYPE of herbici...

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...

Washington Pesticide Laws and Safety Exam Questions With Correct Answers What is a severe pest? - answerA pest present in populations that are always above the economic injury level in the absence of control. What is an occasional or secondary pest? - answerA pest that can cause damage above economic injury levels only at certain times. What is a potential pest? - answerA pest that typically causes no apparent economic damage under normal circumstances. What is a migratory pest? - answer...

APES pesticides and herbicides "perfect pesticide" - correct answer narrow-spectrum pesticide that would kill ONLY the organisms for which it is intended, readily break down into safe material and stay put. DOESNT EXIST. narrow-spectrum pesticide - correct answer a pesticide that kills only the organisms for which it is intended "actual" pesticides - correct answer broad spectrum; kill a variety of organisms, even those beneficial to the environment. rarely breakdown and they move thr...

HERBICIDES AND WEEDS - CHAPTER 3 RIGHTS-OF-WAY (PESTICIDE APPLICATOR LICENSE) EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED plant characteristics, climate, characteristics of the herbicidal action factors that affect how a plant will respond to herbicide foliage absorbed herbicides herbicides enter the plant through the leaves root absorbed herbicides herbicides enter the plant through the roots and are generally more effective when applied preemergence contact herbicides o...