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agriscience
| Term | Definition |
|---|---|
| biennial weed | a plant that will live for two years |
| instars | stage between insect molts |
| noxious weed | a plant that causes great harm to other organisms by weakening those around it |
| vector | a living organism that transmits or carries a disease organism |
| nematodes | roundworms that may live in soil or water, within insects, or as parasites of plants or animals. |
| insect | a six legged animal with three body segments |
| chemical control | the use of pesticides to reduce pest populations |
| metamorphosis | the process in which an insect goes from egg to adult |
| causal agent | an organism that produces a disease |
| perennial weed | a plant that can live for more than two years and may reproduce by seeds and/or vegetative growth |
| hyphae | threadlike vegetative structures |
| diseases | disorders vectored by insects or arachnids |
| disease triangle | a term applied to the relationship of the host, pathogen, and the environment in the disease developement |
| bacteria | unicellular microscopic plants |
| annual weed | a plant that completes its life cycle in one year |
| biological control | control by natural agents |
| pesticide resistance | the ability of an organism to tolerate a lethal level of pesticide |
| cultural control | to alter the crop environment to prevent or reduce pest damage |
| arachnid | an eight legged animal, such as a spider or mite |
| viruses | disease causing organisms that are composed of nucleic acids surrounded by protein sheaths |
| eradication | total removal or destruction of a pest |
| key pest | a pest that occurs on a regular basis |
| quarantine | the isolation of pest infested material |
| fungi | plants that lack chlorophyll |
| pathogens | organisms that cause disease |
Created by:
JeffreyJHood
Popular Agriculture sets