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Bt cotton resistance found
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A pest insect known as bollworm is the first to evolve resistance in the field to Bt plants, according to a new research report. Bt-resistant bollworms (Helicoverpa zed) were found in more than a dozen crop fields in Arkansas and Mississippi between 2003 and 2006.
"What we're seeing is evolution in action," said lead researcher Bruce Tabashnik. "This is the first documented case of field-evolved resistance to a Bt crop."
Bt crops have been genetically altered to produce Bt toxin...
Related newspaper, magazine, and journal articles from HighBeam Research
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Happy genetic butterflies.(Commentary)(Forum)
The Washington Times
; ... resistant and susceptible parents are killed by Bt cotton. Our results show this is indeed the case for pink bollworm, which is good news. The refuge strategy is most useful when matings between resistant moths are rare, because the caterpillars resulting from such ...
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Bt cotton in India: Controversy visited
Indian Journal of Agricultural Economics
; INTRODUCTION Biotechnology has been revolutionising agriculture with many of its applications that are aimed at enhancing agricultural productivity and improving the value of the agricultural products by increasing the shelf life and availability of the product even during off seasons and by
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Yields up in India; pests low in Arizona. (Bt Cotton).(genetically engineered cotton)
Science News
; The two cotton-growing centers could hardly differ more. But small farms in India and industrial fields in Arizona both provide case studies that show the bright side of a widespread genetically engineered crop. The crop, Bt cotton, has borrowed a toxin gene from the bacterium Bacillus
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India: Bt Cotton: Bitter Harvest
Women's Feature Service
; Hyderabad, (WFS) - The Genetic Engineering Approval Committee of the Ministry of Environment and Forests recently approved six new Bt Cotton varieties (two each of Raasi, Mahyco and Ankur seeds) for north India for the first time. The committee took this decision ignoring the experience of the last
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 "The Nation (Thailand)")
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BT cotton safer option, say growers, NATION
The Nation (Thailand)
; PENNAPA HONGTHONG The Nation (Thailand) 10-26-1999 ONCE a cotton grower, Somboon Chareonchai's working life was spent among toxic agro-chemicals, both pesticides and weed killers, since his crop was particularly susceptible to pests and disease. Poor health and fear for his life made him decide to
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