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Transcript 
ASM 198
Pest and Pesticides
Pesticides are an Essential Tool
Pesticides Must Be Used Correctly
First Step - Identification
Major Types of Pests
• Insects and their Relatives
• Weeds
• Diseases
Four Stages of Insect Development
• Egg
• Larva
• Pupa
• Adult
Grasshopper Development
• Egg
• Nymphs
• Adult
Damage Done by Larva
Corn Earworm
Damage Done by Adult Insects
Colorado Potato Beetle
Chewing Insects
Sucking Insects
Useful Insects
Three Distinct Body Sections
• Head
• Thorax
• Abdomen
• 6 Legs
Ticks are NOT Insects
Weeds
• Weeds are unwanted plants
Summer Annual Weeds
Winter Annuals Weeds
Biennial Weeds
Perennial Weeds
Plant Diseases
• Four Principle Types
• Three Elements
• Susceptible Plant
• Disease Producing Agent
• Favorable Environment
Fungi
Bacteria
Viruses
Nematodes
Good Pest Management
What is a PESTICIDE?
A Pesticide is a chemical or mixture used to
control any animal, plant or plant diseases
considered to be a pest.
Insecticides
• Insecticide-controls insects and relatives
Herbicides
• Herbicides-control weeds
Fungicides
• Fungicides-controls fungi
Bactericides and Miticides
• Bactericides and Miticides-control bacteria
and mites respectively
Formulations
Solutions
Emulsifiable Concentrates
Wettable Powders
Soluble Powders
Flowables
Granules
Fumigants
Mixing of Chemicals
Residue
Malathion
Tolerance
Modes of Action
Systemic Pesticide
Translocated Herbicide
Contact Herbicides
Selective Herbicides
Non-Selective Herbicides
Pre-emergence Herbicides
Post-emergence Herbicides
Broadcast Application
Banding Applications
Directed Application
Over-the-Top Application
Incorporation of Pesticides
Hollow Cone Nozzle
Flooding Nozzle
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