Definition of Pyrethrins. Meaning of Pyrethrins. Synonyms of Pyrethrins

Here you will find one or more explanations in English for the word Pyrethrins. Also in the bottom left of the page several parts of wikipedia pages related to the word Pyrethrins and, of course, Pyrethrins synonyms and on the right images related to the word Pyrethrins.

Definition of Pyrethrins

Pyrethrin
Pyrethrin Pyr"eth*rin, n. [NL. Pyrethrum, generic name of feverfew, Gr. ? feverfew.] (Chem.) A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor.

Meaning of Pyrethrins from wikipedia

- research Pyrethrins and Pyrethroids Fact Sheet - National Pesticide Information Center Pyrethrins and pyrethroids on the EXTOXNET Pyrethrin and Permethrin...
- synthetic insecticides based on natural pyrethrum (pyrethrins); one common example is permethrin. Pyrethrins are often sold in preparations that also contain...
- End-use Products". 23 February 2018. Pyrethrins and Pyrethroids Fact Sheet - National Pesticide Information Center Pyrethrins and Pyrethroids Pesticide Information...
- combination with insecticides, such as natural pyrethrins or synthetic pyrethroids, in ratios (PBO: pyrethrins) ranging from 3:1 to 20:1. Appearing in over...
- "pyrethrum." The flowers are pulverized and the active components, called pyrethrins, contained in the seed cases, are extracted and sold in the form of an...
- Pyrethrin II is an organic compound that is a potent insecticide. It is one of the two pyrethrins, the other being pyrethrin I. Thousands of tons this...
- Pyrethrin I is one of the two pyrethrins, natural organic compounds with potent insecticidal activity. It is an ester of (+)-trans-chrysanthemic acid with...
- pyrethroid, pyrethrin, or both as active ingredients. Pyrethroids are a class of synthetic insecticides that are chemically similar to natural pyrethrins and...
- speeding the effects when compared with pyrethrins used alone. These formulations are known as synergized pyrethrins. List of pest-repelling plants Organic...
- insecticides because they are more cost-effective and longer acting than natural pyrethrins. λ-and γ-cyhalothrin are now used to control insects and spider mites...