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biennial weed
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instars
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Pest Control Obj 9
| Term | Definition |
|---|---|
| biennial weed | a flowering plant that takes two years to complete its biological lifecycle |
| 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 | a worm of the large phylum Nematoda, such as a roundworm or threadworm |
| insect | a small arthropod animal that has six legs and generally one or two pairs of wings |
| chemical control | pesticides—chemicals that either kill pests or inhibit their development |
| metamorphosis | a change of the form or nature of a thing or person into a completely different one, by natural or supernatural means |
| causal agent | biological pathogen that causes a disease, such as a virus, parasite, fungus, or bacterium |
| perennial weed | lasting for an indefinitely long time; enduring |
| 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 | fundamental principle of the factors involved in disease causation |
| 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 |
| annual weed | weed that lasts one year |
| 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 | modifying the growing environment to reduce the prevalence of unwanted pests |
| arachnid | an arthropod of the class Arachnida, such as a spider or scorpion |
| 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 |
| eradication | completely do away with |
| key pest | pest specific to a plant |
| quarantine | keep away from all others |
| 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 thing that is composed of two or more separate elements; a mixture |
| 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 |
| net contents | the net weight |
| carcinogen | causes cancer |
| toxicity | not healthy. can be lethal |
| xylem tissue | is wood, though it is found throughout the plant |
| insecticides | pesticides targeting insects specifically |
| phloem tissue | consists of several different kinds of cells: sieve elements, parenchyma cells, sclereids, and fibers. |
| common name | name most often used. informal name |
| symbols | pictures or items used to represent something else |
| volatilization | process whereby a dissolved sample is vaporised. In atomic spectroscopy this is usually a two step process |
| drift | to stay afloat |
| trade name | a name that has the status of a trademark |
| element | a part or aspect of something abstract, especially one that is essential or characteristic. |
| formulation | the action of devising or creating something |
Created by:
t_fleshman
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