ASM 198 Pest and Pesticides. Pesticides are an Essential Tool.

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Presentation 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