The much lauded potential  improvements in the worlds food supply through GM crops has come under question recently with a report by 20 Indian, south-east Asian, African and Latin American food and conservation groups representing millions of people.

The report says that only two traits have been developed on any significant scale and that in places such as China where insect resistant Bt cotton is widely planted, there has been an increase in the use of pesticides needed to combat the pests that previously were only a minor problem.

The growing infestations of “superweeds”, especially in the US has resulted in farmers using more herbicides to combat the resistant weeds, says the report.

Read the following article for more details;

http://www.guardian.co.uk/environment/2011/oct/19/gm-crops-insecurity-superweeds-pesticides