Crop disease Study guides, Class notes & Summaries

The goal of IPM isn't to eliminate the entire pest population but.... - CORRECT 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? - CORRECT 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 ...

Agricultural Crop Disease Management - Category 1C - Iowa Commercial Pesticide Applicator Manual - VocabularyPlant Disease - correct answer Any abnormal plant growth. Symptoms - correct answer Visible effects of a plant disease on a host plant. Pathogen - correct answer The parasitic organism that causes a disease. Plant Disease Triangle - correct answer 1 - Susceptible Host Plant 2 - Pathogen 3 - Favorable Environment Host - correct answer Plant being invaded by pathogen and servi...

. The goal of IPM isn't to eliminate the entire pest population but. To avoid adverse effects on humans wildlife and the environment 2. 2. 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?: Economic Threshold 3. 3. What can be said about insects?: They have three pairs of jointed legs. 4. 4. Which of the following is an incomplete life cycle?: Egg nymph and adult. 5. 5. The disease that is generall...

WI pesticide applicator test latest version graded A+ What are examples of plant diseases? Fungi,Oomycetes,Bacteria,Viroids, Oomycetes can be describe as Water Molds prerequisites for a plant disease population, Host, ideal environment, time, Largest Group of plant diseases Fungi A Chemical Formulation capable of causing injury to plants Phytotoxic Reasons to consider treating an infected area with pesticides When other prsctices don't work,high value,quality reduced,sudde...

Illinois Field Crop Applicators Test 100% Pass An integrated pest management program is based upon what factors? various, economical, environmentally sound, socially acceptable What is the number of pests that should be controlled to prevent economic damage from occurring? Economic threshhold Number of pests, costs of various treatments, expected yield, and expected grain value are all factors to determine.... Economic Injury level What should be done if scouting detects an important pest, bu...

A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure (T/F) correct answer: True The use of temperature or humidity manipulation is a ________ control method for insects correct answer: Physical Drift problems can be reduced by: a. using lower pressure, smaller nozzle orifices b. applying in very calm, stable air conditions c. spraying upwind of a sensitive area d. placing bloom as close to target as possible correct answer: d. placing a boom as clos...

Illinois Pesticide Applicator General Standards Rated A+ IPM Integrated Pest Management; Goals are provide economical pest control/protect the environment Not The Goal Of IPM Elimination of all pests Economic threshold/action threshold Number of pests per plant of amount of damage to plant at which control measures should begin economic injury level breakeven point which the cost of pest control equals the revenue loss caused by pest aesthetic injury level number of pests that might cause en...

Agricultural Crop Disease Management (Cat. 1C) Set Exam Questions And Correct Answers Already Passed Plant disease - ANSWER : any abnormal condition that damages a plant and alters its appearance or function How plant disease vs injury occurs? - ANSWER : Plant disease is a process and changes happen over time vs injury occurs instantly Symptoms - ANSWER : visible effects of a plant disease on the host plant; symptoms are not the disease itself; detectable changes in color, sha...

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...

Agricultural Crop Disease Management (Cat. 1C) Set Exam Questions And Correct Answers Already Passed Plant disease - ANSWER : any abnormal condition that damages a plant and alters its appearance or function How plant disease vs injury occurs? - ANSWER : Plant disease is a process and changes happen over time vs injury occurs instantly Symptoms - ANSWER : visible effects of a plant disease on the host plant; symptoms are not the disease itself; detectable changes in color, sha...

Where is the stratosphere? 10 to 30 miles Where is ozone located? stratosphere What does an ozone molecule consist of? 3 oxygen atoms The ozone layer protects us from... ultraviolet radiation The ozone layer helps to maintain... stable earth temperatures Depletion of ozone causes... crop loss, eye disease, skin cancer, reduced marine life, deforestation, increased ground level ozone. What type of refrigerants, when released into the atmosphere, ca