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Pest Control Obj 9

TermDefinition
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