A study of US and Chinese scientists at Cornell University finds that Bt-Cotton in China no longer provides advantages to Chinese farmers. "Secondary pests", which cannot be fought with BT, now require as much pesticide use as before the introduction of the GM crops. World Food prize winner, former IFPRI director and long time proponent of the Bt cotton use in China, Professor Per Pinstrup-Andersen revealed the bad news at the American Agricultural Economics Association Annual meeting.</p><p><a href="http://news.independent.co.uk/environment/article1199339.ece">Independent Online: Farmers use as much pesticide with GM crops, US study finds</a></p><p><a href="http://www.newscientist.com/article.ns?id=dn9614">New Scientist: China`s GM cotton battles a new bug</a></p><p><a href="http://www.grain.org/research/btcotton.cfm?links">Full study and additional Bt-cotton research at GRAIN web site</a></p><p><a href="http://www.chinadaily.com.cn/china/2006-08/07/content_658193.htm">China Daily: Farmers weighing up benefits of GM cotton</a>