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greenhouse manageman
unit 7
Question | Answer |
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is the use of living organisms to reduce pest populations. These beneficial organisms are natural enemies of pests. They attach, live in,or infect their pest hosts. Parasites, predators, and pathogens are all used as biological controls. | Biological control |
is the use of pesticides to reduce pest populations. | Chemical control |
a material used to destroy fungi or protect plants against their attack | Fungicide |
a substance that kill weeds | Herbicide |
a material used to kill insects or protect against their attacks | Insecticide |
an ecologically based approach to controlling plant pests | Integrated pest management |
lethal dose factor | LD factor |
a chemical used to control mites | Miticide |
a chemical used to control nematodes | Nematocide |
an unwanted plant or animal | Pest |
a chemical used to control pests | Pesticide |
a measurement of how poisonous a chemical is | Toxicity |
is used to make the crop environment unsuitable for pests to feed, live, or reproduce, and to improve the health of the crop. | Cultural control |