ticides. Already, pesticide use in cotton has been reduced by 14% in just six southern states since the introduction of Bt cotton, according to Carpenter. Bigger reductions are on the horizon, she says. Carpenter projects that Bt potato varieties could reduce chemical pesticide use by 95 percent about 1.9 million pounds in the Pacific Northwest. (AGRO 107, 1:00 p.m., Wednesday, August 29, McCormick Place South, Room S505B, Level 5.)

International researchers dispute claim that Bt corn threatens monarch butterfly Mark Sears, Ph.D., of the University of Guelph in Ontario, Canada, in collaboration with scientists in several states in the central U.S. Corn Belt region, found that "the impact of Bt (Bacillus thuringiensis) corn pollen on monarch butterfly populations is negligible." The finding sharply contradicts previously published reports. "Inflated and unsubstantiated claims by environmentalists calling for the ban of transgenic corn crops in North America because of the risk of impact to non-target organisms, such as the monarch butterfly, can now be shown to be false," according to Sears. (AGRO 108, 1:30 p.m., Wednesday, August 29, McCormick Place South, Room S505B, Level 5.)

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27-Aug-2001


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