Table of Contents
For what purpose pesticides are used?
Pesticides are chemical compounds that are used to kill pests, including insects, rodents, fungi and unwanted plants (weeds). Over 1000 different pesticides are used around the world. Pesticides are used in public health to kill vectors of disease, such as mosquitoes, and in agriculture to kill pests that damage crops.
Where are pesticides most commonly used?
Pesticides in the United States are used predominantly by the agricultural sector, but approximately a quarter of them are used in houses, yards, parks, golf courses, and swimming pools.
What were pesticides first used for?
The first recorded use of insecticides is about 4500 years ago by Sumerians who used sulphur compounds to control insects and mites, whilst about 3200 years ago the Chinese were using mercury and arsenical compounds for controlling body lice4.
Why are pesticides used quizlet?
A chemical or agent used to destroy rats or other rodent pests, or to prevent them from damaging food, crops, etc.
What pesticides are used today?
Insecticides (bug killers), herbicides (weed killers), and fungicides (fungus killers) are all pesticides; so are rodenticides and antimicrobials. Pesticides come in spray cans and crop dusters, in household cleaners, hand soaps and swimming pools.
How are pesticides applied?
Applications of pesticides directly on or in the soil are soil applications. There are several types of soil appli- cations. Pesticides applied with this technique may be soil-active herbi- cides, systemic insecticides taken up by the roots, or pesticides targeting soil organisms.
What are the advantages of using insecticides?
Humans have attained important benefits from many uses of insecticides, including: (1) increased yields of crops because of protection from defoliation and diseases; (2) prevention of much spoilage of stored foods; and (3) prevention of certain diseases, which conserves health and has saved the lives of millions of …
What is pesticides quizlet?
Pesticide. a pesticide that kills a variety of organisms, not just the targeted organisms. to kill pests.
What is pesticides in the food industry?
Pesticides are widely used in producing food to control pests such as insects, rodents, weeds, bacteria, mold and fungus. Under the Food Quality Protection Act (FQPA), EPA must ensure that all pesticides used on food in the United States meet FQPA’s stringent safety standard.
What are the safest pesticides?
However, there are no “safe” pesticides. Some are safer than others—boric acid is one example. You can choose pesticides that are organic or labeled “non-toxic,” but often they must be reapplied and they take longer to work.
What are the problems of pesticides?
Pesticides are incredibly harmful to human health. Pesticides have been proven to cause reproductive and developmental effects, cancer, kidney and liver damage, endocrine disruption, etc.
What are examples of pesticides?
Examples of pesticides are fungicides, herbicides, and insecticides. Examples of specific synthetic chemical pesticides are glyphosate , Acephate , Deet , Propoxur, Metaldehyde , Boric Acid , Diazinon , Dursban , DDT, Malathion , etc.
What are the different types of pesticides?
There are three different kinds of pesticides; herbicides, insecticides and fungicides. All three of these pesticides are used to kill different kinds of pests that can be found on a farm.