The revelation by the developer of pest-protected Bt cotton Bollgard, Monsanto-Mahyco, that pink bollworm pest has developed resistance to the killer Bt gene, Cry1Ac, in parts of Gujarat, and the rebuttal of this by a government-funded cotton research institute have created a fresh, albeit avoidable, controversy around genetically modified (GM) crops. The Monsanto statement had claimed that during field monitoring of the 2009 cotton crop in Gujarat, the company’s scientists...

Firm asks farmers to switch to its second-generation product to delay resistance further  Pink bollworm resistant to pest-killing protein of Bt cotton in four districts Monsanto's advice ridiculous, say scientists For the first time anywhere in the world, biotech agriculture giant Monsanto has admitted that insects have developed resistance to its Bt cotton crop. Field monitoring in parts of Gujarat has discovered that the Bt crop is no longer effective against the...