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Pest Control

Biennial Weed Biennials require two growing seasons to complete their life cycles. They usually produce vegetative growth the first year, then flower and set seed during the second year
Instars A phase between two periods of molting in the development of an insect larva or other invertebrate animal.
Noxious Weed A plant considered harmful to animals or the environment.
Vector An organism, typically a biting insect or tick, that transmits a disease or parasite from one animal or plant to another.
Nematodes Any of a phylum (Nematoda or Nemata) of elongated cylindrical worms parasitic in animals or plants or free-living in soil or water
Insect Any small invertebrate animal, especially one with several pairs of legs.
Chemical Control Chemical pest controllers are pesticides used to destroy and eliminate annoying pests that contain chemicals unsafe for human consumption.
Metamorphosis A change of the form or nature of a thing or person into a completely different one, by natural or supernatural means.
Casual Agent The biological pathogen that causes a disease, such as a virus, parasite, fungus, or bacterium.
Perennial Weed Perennial weeds live for three or more years. Perennials produce new vegetative growth from growing points at or below the soil surface.
Hyphae Each of the branching filaments that make up the mycelium of a fungus.
Diseases A disorder of structure or function in a human, animal, or plant, especially one that produces specific signs or symptoms or that affects a specific location and is not simply a direct result of physical injury.
Disease Triangle One of the first concepts encountered by college students in an introductory plant pathology course
Bacteria Microorganisms made up of a single cell that has no distinct nucleus.
Annual Weed Annuals are plants that complete their life cycle in one growing season.
Biological Control The control of a pest by the introduction of a natural enemy or predator.
Pesticide Resistance The ability of a life form to develop a tolerance to a pesticide.
Cultural Control The practice of modifying the growing environment to reduce the prevalence of unwanted pests.
Arachnid A kind of animal that has eight legs and a body formed of two parts.
Viruses An agent that is infectious that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
Eradication The complete destruction of something.
Key Pest An insect, mite, disease, nematode or weed that frequently results in unacceptable damage and thus typically requires a control action.
Quarantine A state, period, or place of isolation in which people or animals that have arrived from elsewhere or been exposed to infectious or contagious disease are placed.
Fungi Any of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools.
Pathogens A bacterium, virus, or other microorganism that can cause disease.
Compound A chemical substance that is composed of more than one element.
Signal Words The required word on the label that denotes the relative toxicity of the product.
Net Contents The amount of pesticide in the container.
Carcinogen A material capable of producing a cancerous tumor.
Toxicity A measure of how poisonous a chemical is.
Xylem Tissue Where water and minerals are transported within the plant.
Insecticides Chemicals used to control insects.
Phloem Tissue Responsible for the transporting of carbohydrates within the plant.
Common Name Given to a pesticide by a recognized authority or pesticide nomenclature.
Symbols A warning illustration located on a chemical container that warns of chemical toxicity to humans and animals.
Volatilization Changing to gases.
Drift The movement of a pesticide through the air to non-target sites.
Trade Name The manufacturer's name for its product.
Element A uniform substance that cannot be further decomposed by ordinary chemical means.
Formulation The physical properties of a pesticide
Created by: Sol097