Pyrethrum Extract, Pyrethrins

Pyrethrum is the only intensively cultivated insecticidal plant in the world. Its flowers contain highly effective insecticidal active substances, commonly known as pyrethrins, which are composed of six structurally similar compounds. Since pyrethrins are of natural origin, they are easily degraded in nature, have no record of accumulation in humans and animals, and are not passed along the food chain. Therefore, they are recognized by WHO and FAO as the safest and most effective insecticidal substances.

Pyrethrum is a non-persistent insecticide, used to control a variety of pests on crops, in domestic and public health situations.

Mostly as a kind of contact insecticide for household insects, flies, mosquitoes and livestock. Usually applied as aerosols or space sprays but some formulations can be applied to agricultural crops Because of their safety, pyrethrum extracts are used extensively in stock sprays, pet sprays, household sprays, and aerosols, industrial sanitation sprays, and to protect stored food in warehouses, etc.

The pyrethrins is easy to decompose in the light, the best choice of spraying time is in the evening. The pyrethrins cannot be mixed with lime sulphur, bordeaux liquid, resin mixture and other Alkaline pesticide.

The commercial preparations should be kept in an airtight container to avoid high temperature, humidity and direct sunlight.
The pyrethrins is a powerful contact agent. The pesticide will be effective only when in contact with the insect’s body otherwise the effect is not good.