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 Post subject: Pyrethrum
PostPosted: Sun Jun 24, 2012 8:05 am 
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Joined: Sat Mar 08, 2003 9:01 am
Posts: 961
Location: Dallas, TX
In the past I have recommended pyrethrum but not any longer. It is too toxic - it also has a good chance of being laced wiyh DDT which is the pesticide used in Kenya where much of the pyrethrum is grown. Sure, pyrethrum is a natural material - so is hemlock arsenic and many other toxic things.

Pyrethrum is toxic to all vertebrates - birds, lizards, frogs, toads, cats, dogs, you and me. Essential oil products are toxic only to invertebrates like insects and slugs, so of course that's what we recommend. Pyrethrum and the synthetic pyrethroids also are especially bad for people with allergies and can cause allergy problems including asthma for children and adults. Bottom line -there are no pyrethrum, pyrethrin or pyrethroid products that are acceptable in an organic program. ... n/id/2490/ ... thrins.htm ... thrins.htm

Avoid all products:
Trade Name Common Name
Ammo® Cypermethrin
Asana® Esfenvalerate
Baythroid® Cyfluthrin
Capture/Brigade® Bifenthrin
Decis® Deltamethrin
Danitol® Fenpropathrin
Fury® / Mustang® Zeta-cypermethrin
Pounce® / Ambush® Permethrin
Scout® Tralomethrin
Warrior® / Karate® Lambda Cyhalothrin

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