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Pyrethrum Extract

Pyrethrum Extract

Latin Name: Echinacea purpurea (Linn.) Moench
Part Used: dried roots with, or aerial parts
Specification: see detailed description
Grade:Botanical medicine/Supplement Products& Cosmetics &Food &Beverage
Package:1kg/Bag, 25kg/Drum


Product Introduction

Pyrethrum extract can not only kill mosquitoes, but also kill pests of crops, forests and fruit trees. Together with tobacco and poison ivy, it is called the one of " the three major botanical pesticides". There are 0.6-1.3% of pyrethrin and grimethrin in its flowers. Pyrethrin pesticides usually in ester form, is a colorless viscous oily. When insects come in contact with it, its paralyze , got poisoned and die.

Excessive insects appear within 1-2 minutes after exposure to pyrethrins.

Excited, dyskinesia, quickly knocked down and paralyzed. However, some insects can recover after 1 day. Pyrethrum is a typical nerve poison.

Pyrethrin is the main insecticidal component in pyrethrum chrysanthemum, and there are six main insecticidal components. Among these six insecticidal components, pyrethrin I , cinerin I , and jasperanthrin I has strong knockdown activity, while Pyrethrin II, cinerin II, and jasmalin II have strong lethal activity.


Product Character

Product Name: Pyrethrum extract

Plant source: Pyrethrum cinerariaefolium Tre

Active ingredients: Pyrethrin

Specification: 25%;50% -HPLC/UV

Product appearance: brown powder or yellow liquid


①Pyrethrum extract should not be mixed with alkaline agents such as lime sulfur mixture and Bordeaux mixture.

②Pyrethrins have strong knockdown power to pests, but they often recover, especially when the concentration of the agent is low. Therefore, the concentration should be prevented from being too low to avoid reducing the efficacy.

③It has a good effect at low temperature, but poor effect at high temperature. Avoid using it under strong direct light in summer. It is better to use it on cloudy days or in the evening.

④It has no systemic effect, so the spray must be thoughtful and meticulous. It must be in contact with the insects to be effective. Therefore, it is mostly used to prevent and control pests with tender skin.

⑤pyrethrin are toxic to fish, frogs, snakes and other animals, so they cannot be used around fish ponds.

⑥When using pyrethrins, pay attention to the concentration, frequency, and rotation of pesticides to prevent pests from becoming resistant. It should be stored in a cool, ventilated and dry place.

⑦The safe interval of pyrethrins is 3 to 5 days.

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