The pyrethrins are a class of organic compounds normally derived from Chrysanthemum cinerariifolium that have potent insecticidal activity by targeting... 26 KB (2,872 words) - 09:37, 11 April 2024 |
Pyrethrin I is one of the two pyrethrins, natural organic compounds with potent insecticidal activity. It is an ester of (+)-trans-chrysanthemic acid with... 4 KB (306 words) - 22:33, 12 June 2023 |
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... 3 KB (195 words) - 19:30, 12 June 2023 |
Hermann Staudinger (section World War I) together with Leopold Ružička, also elucidated the molecular structures of pyrethrin I and II in the 1920s, enabling the development of pyrethroid insecticides... 17 KB (1,532 words) - 09:44, 7 April 2024 |
List of insecticides (section I) pyrafluprole pyramat pyrazophos pyrazothion pyresmethrin pyrethrin I pyrethrin II pyrethrins pyrethroid pyridaben pyridalyl pyridaphenthion pyrifluquinazon... 13 KB (868 words) - 15:53, 14 December 2023 |
A pyrethroid is an organic compound similar to the natural pyrethrins, which are produced by the flowers of pyrethrums (Chrysanthemum cinerariaefolium... 22 KB (2,466 words) - 16:25, 1 March 2024 |
in height. The plant is economically important as a natural source of pyrethrin insecticides. C. coccineum, the Persian chrysanthemum, is a perennial... 10 KB (1,151 words) - 15:02, 20 March 2024 |
variety of natural and synthetic insecticides. It is related to the pyrethrin I and II, as well as the pyrethroids. One of the four stereoisomers, (1R... 5 KB (279 words) - 01:07, 25 April 2024 |