Pesticides Any substance or mixture of substances designed to prevent, destroy, repel, or limit...
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Transcript of Pesticides Any substance or mixture of substances designed to prevent, destroy, repel, or limit...
![Page 1: Pesticides Any substance or mixture of substances designed to prevent, destroy, repel, or limit pests – Weeds – Insects – Diseases – Plant damaging organisms.](https://reader035.fdocuments.in/reader035/viewer/2022062422/56649e895503460f94b8dc05/html5/thumbnails/1.jpg)
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PesticidesPesticides• Any substance or mixture of substances
designed to prevent, destroy, repel, or limit pests–Weeds
– Insects
– Diseases
– Plant damaging organisms
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Chemicals Controls in HorticultureChemicals Controls in Horticulture
• Types of Chemical Controls– Classified by the type of pest they combat
– Insecticides: Insects
– Herbicides: Weeds
– Nematicides: Nematodes
– Bactericides: Bacteria
– Fungicide: Fungi
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How Chemical Controls WorkHow Chemical Controls WorkChemical Type How it worksStomach Poison from whatever part of plant
the insect eats
Contact Comes in contact with insects skin
Systemic Poison found in the plant’s system, kills insect when it ingests plant
Fumigants Gas poisons that enter insect’s respiratory system
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Types of Chemical Control Applications
May require surfactant to help ensure chemical controls reach desired pests
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Types of Pesticide ExposureTypes of Pesticide Exposure
• Oral Exposure: Poison enters through the mouth
• Dermal Exposure: Poison touches skin and absorbed into body
• Inhalation Exposure: Breathing in particles or fumes
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Pesticide LabelsPesticide Labels
• Required by the Environmental Protection Agency
• Certain information about the product is required:– Name
– Producer/Manufacturer
– Use
– Signal Word
– Contents
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Chemical Storage and Hazard DisposalChemical Storage and Hazard Disposal
• Even after using, pesticides can be dangerous
• Reduces risk to humans and environment–Well-ventilated
– Dry
– Away from extreme temperatures
– Away from children, animals, and water supplies
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Chemical Spray EquipmentChemical Spray Equipment
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Hazardous Materials ClassificationHazardous Materials Classification