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Essay On Pesticides
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Pesticides are substances that are meant to control pests. As an example - The fungus Alternaria is used to combat the Aquatic weed, Salvinia. In general, a pesticide is a chemical such as carbamate or biological agent such as a virus , bacterium , or fungus that deters, incapacitates, kills, or otherwise discourages pests. Target pests can include insects, plant pathogens , weeds, molluscs , birds , mammals , fish , nematodes roundworms , and microbes that destroy property, cause nuisance, or spread disease, or are disease vectors.
Agriculture Information in Marathi | Farming, Farmer Information (Mahiti)
Pesticides can be grouped according to the types of pests which they kill: Insecticides - insects Herbicides - plants Rodenticides - rodents rats and mice Bactericides - bacteria Fungicides - fungi Larvicides - larvae Fig. For example, they can be grouped according to the chemicals in them or to the method of application. Insecticides kill insects by getting inside their bodies where they then act as poison. There are three different ways insecticides can get into an insect body.
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