 | Takamatsu no Miya Hi Gan Kenkyū Kikin. International Symposium, Lars Ernster - 1991 - 394 pages
...and although natural, both lead and arsenic are carcinogenic. When the undesirable bioconcentration and persistence of DDT and its lethal effects on some...persistent chemicals were developed to replace it. Examples are the synthetic pyrethroids that disrupt the same sodium channel in insects as DDT, are degraded... | |
 | Hikoya Hayatsu - 1990 - 304 pages
...synthetic pyrethroids, which, although like DDT they inhibit the same sodium channel of insects,107 are degraded rapidly in the environment and can often...at a concentration as low as a few grams per acre. V. TRADEOFFS BETWEEN NATURAL AND SYNTHETIC PESTICIDES "It has been suggested that one consequence of... | |
 | Jay H. Lehr - 1992 - 868 pages
...the modern era; lead arsenate is even more persistent than DDT. When the undesirable bioconcentration and persistence of DDT and its lethal effects on some...at a concentration as low as a few grams per acre. Misconception No. 6: Storks Bring Babies and Pollution Causes Cancer and Birth Defects. The number... | |
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DDT, the first major synthetic insecticide, replaced lead arsenate, a major carcinogenic pesticide used before the modern era; lead arsenate is even more persistent than DDT. When the undesirable bioconcentration and persistence of DDT and its lethal... 