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Re: DewDiligence post# 91616

Thursday, 04/15/2010 4:08:12 AM

Thursday, April 15, 2010 4:08:12 AM

Post# of 252470
A Nature reporter talks to the chief executive of France's national agricultural institute

What it will take to feed the world

http://www.nature.com/news/2010/100414/full/464969a.html

Q: Are GMOs the silver bullets they are often made out to be?

A: It's clear that genetic progress in the past in France and other rich countries accounted for much of the increase in production, so genetics is far from passé; it's still the number-one technique for increasing yields, for example. For Africa to improve its yields, we clearly need new genetically selected varieties, engineered by either genetic modification or classic breeding techniques. For me, GMOs are not a magic bullet, but we should not refuse them a priori. It's critical to look at GMOs on a case-by-case basis. The first generation of genetically modified organisms on the market is not the one that will solve Africa's problems, although one crop, a Chinese GMO cotton that is resistant to bollworm, has proved extremely useful to the population, because it avoids the spraying of dangerous pesticides — the risk–benefit equation is clearly in favour of its use.
We are now at a stage where we have years of extensive research results on the ecological, economic and health aspects of many GMOs. There are GMOs for which the assessment is undisputedly positive, but there are others — in particular some crops engineered to be resistant to this or that herbicide — for which this is not so. For example, some GMOs result in increased use of herbicides, which can lead to concentration of these chemicals in the environment and negative effects. The results are mixed — that's why it is important not to speak of GMOs in general, but case-by-case. Pest resistance is a really promising and important application for genetic selection because there are a lot of health problems in developing countries that have been linked to the spraying of pesticides.

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