Human Toxicity Of Insecticides
The pyrethroids are composed of natural pyrethrins, which are isolated from chrysanthemum flowers, as well as newer synthetic materials. Older pyrethroids (e.g., pyrethrins and tetramethrin) degrade too rapidly in the environment to be used in agriculture. They are used in buildings, and because of their general safety, they are even applied to humans to control…
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