How are Stockbyte and thinkstock insecticides classified?
How are Stockbyte and thinkstock insecticides classified?
Stockbyte/Thinkstock Insecticides can be classified in any of several ways, on the basis of their chemistry, their toxicological action, or their mode of penetration.
Are there any cases of insecticide poisoning humans?
Cases of insecticide poisoning of humans also occur occasionally, and the use of one common organophosphate, parathion, was drastically curtailed in the United States in 1991 owing to its toxic effects on farm labourers who were directly exposed to it.
How are Contact insecticides used to treat plants?
Contact poisons penetrate the skin of the pest and are used against those arthropods, such as aphids, that pierce the surface of a plant and suck out the juices. The contact insecticides can be divided into two main groups: naturally occurring compounds and synthetic organic ones.
How are insecticides classified according to their action?
Insecticides can be classified in any of several ways, on the basis of their chemistry, their toxicological action, or their mode of penetration. In the latter scheme, they are classified according to whether they take effect upon ingestion (stomach poisons), inhalation (fumigants), or upon penetration of the body covering ( contact poisons).
How long does it take to sell a new pesticide?
New pesticides must offer unique advantages to earn a substantial piece of the market and earn the manufacturer a profiton its investment. It takes four to six years for the sales volume of a new product to reach a point where the manufacturing plant can operate at efficient capacity.
What happens when an insecticide becomes less effective?
When that happens, the insecticide becomes less effective until sometimes we can no longer control the population with this insecticide. Sometimes we can switch to a different insecticide and get results.
Who are the people in the pesticide marketplace?
The Pesticide Marketplace Purdue extension Cover and background photographs from Fotosearch Stock Photography the Pesticide Marketplace discovering and developing new Products Fred Whitford, Coordinator, Purdue Pesticide Programs David Pike, Consultant, Agricultural Information Research Services
What should I consider when buying a pesticide?
A homeowner might compare the cost of preventive treatment to the potential cost of treatment and structural repairs if an infestation were to occur; he might also consider the impact termite damage could have on the value of his property. Each pesticide product must offer the user a verifiablebenefit.