pyrethrins


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Related to pyrethrins: permethrin, pyrethroids, Piperonyl butoxide

py·re·thrins

(pī-rē'thrinz), Do not confuse this word wih permethrin.
Insecticidal constituents of pyrethrum flowers.

pyrethrins

(pī-rē′thrĭnz)
The general name given to substances derived from pyrethrum flowers (chrysanthemums); used as insecticides.

pyrethrins

the active insecticidal ingredients of the flowers of the pyrethrum plant. Can cause systemic or cutaneous allergic reactions. Are esters of pyrethrolone and cinerolone with chrysanthemum mono- and dicarboxylic acids.
References in periodicals archive ?
Further, the report states that High cost and lack of awareness about the benefits of pyrethrins and pyrethrums among farmers in Asia, Africa, and South America may hinder market growth as these regions contribute a major share to global agricultural output.
halys exposed to potassium salts, pyrethrins, and pyrethrins + kaolin, vertical distance climbed by surviving (i.
1) In Canada, the natural pyrethrins and the synthetic pyrethroids permethrin, allethrin, tetramethrin, phenothrin and resmethrin are registered for residential use.
Using this screening technique, most metabolites of different organophosphates and pyrethrins can be measured as well as trichloroethylene, tetrachloroethylene, and vinyl chloride.
However, previous risk assessments that used exposure scenarios for pyrethroids and pyrethrins that would exceed those of the Sacramento County emergency aerial spray have shown risks substantially below Environmental Protection Agency levels of concern (27-34).
Botanical and synthetic Pyrethrins are used in nearly every category of insect control and frequently are found in a variety of household products, including human head-lice shampoo, indoor foggers, and pet flea sprays.
Most effective compound of plant origin for the control of adult mosquitoes is pyrethrum extract (mixture of esters of pyrethrins and cinnerins) obtained from the flowers of Chrysanthemum cinneraefolium (Family: Asteraceae).
Deposition of pyrethrins and piperonyl butoxide following aerial ultra-low volume applications in the Coachella Valley, California.
Effect of basal and side dressed phosphorus on the achene yield and pyrethrins concentration in the achenes of Pyrethrum (Tanacetum cinerariifolium) and on soil and plant phosphorus.
The chemicals were pyrethrins and synthetic pyrethroids, which are widely used in sprays such as Black Flag and Raid.
PYRETHRINS -- This is a synthetic molecule that mimics a compound in chrysanthemums.
Pyrethrins, for example, which are organic insecticides produced from chrysanthemums, can be poisonous to fish and bees - they're often used to control lice in cats and dogs.