Pest Control Obj 9
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| biennial weed | a flowering plant that takes two years to complete its biological lifecycle
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| instars | a phase between two periods of molting in the development of an insect larva or other invertebrate animal
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| noxious weed | a plant considered harmful to animals or the environment
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| vector | an organism, typically a biting insect or tick, that transmits a disease or parasite from one animal or plant to another
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| nematodes | a worm of the large phylum Nematoda, such as a roundworm or threadworm
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| insect | a small arthropod animal that has six legs and generally one or two pairs of wings
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| chemical control | pesticides—chemicals that either kill pests or inhibit their development
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| metamorphosis | a change of the form or nature of a thing or person into a completely different one, by natural or supernatural means
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| causal agent | biological pathogen that causes a disease, such as a virus, parasite, fungus, or bacterium
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| perennial weed | lasting for an indefinitely long time; enduring
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| hyphae | each of the branching filaments that make up the mycelium of a fungus
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| 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.
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| disease triangle | fundamental principle of the factors involved in disease causation
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| bacteria | a member of a large group of unicellular microorganisms that have cell walls but lack organelles and an organized nucleus, including some that can cause disease
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| annual weed | weed that lasts one year
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| biological control | the control of a pest by the introduction of a natural enemy or predator
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| pesticide resistance | the ability of a life form to develop a tolerance to a pesticide
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| cultural control | modifying the growing environment to reduce the prevalence of unwanted pests
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| arachnid | an arthropod of the class Arachnida, such as a spider or scorpion
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| viruses | an infective agent 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
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| eradication | completely do away with
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| key pest | pest specific to a plant
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| quarantine | keep away from all others
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| fungi | any of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools
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| pathogens | a bacterium, virus, or other microorganism that can cause disease
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| compound | a thing that is composed of two or more separate elements; a mixture
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| signal words | In order to be able to lead your reader in the direction you want to go, you will have to use strong transitions in your writing
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| net contents | the net weight
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| carcinogen | causes cancer
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| toxicity | not healthy. can be lethal
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| xylem tissue | is wood, though it is found throughout the plant
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| insecticides | pesticides targeting insects specifically
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| phloem tissue | consists of several different kinds of cells: sieve elements, parenchyma cells, sclereids, and fibers.
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| common name | name most often used. informal name
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| symbols | pictures or items used to represent something else
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| volatilization | process whereby a dissolved sample is vaporised. In atomic spectroscopy this is usually a two step process
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| drift | to stay afloat
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| trade name | a name that has the status of a trademark
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| element | a part or aspect of something abstract, especially one that is essential or characteristic.
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| formulation | the action of devising or creating something
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