I've had an interesting couple of weeks when it comes to hearing about new technology. First last week in Glasgow at the British Crop Production Council congress, a Liverpool-based company IOTA NanoSolutions, talked about the work it had been doing with formulations, which it claimed could reduce pesticide doses or increase efficacy depending which way you wanted to go. http://www.fwi.co.uk/Articles/2009/11/13/118755/Nano-formulations-could-reduce-pesticide-doses.htm
Really interesting and innovative stuff. Of course, we're probably a while away from them making a commercial debut. While they have been tested on plants in a greenhouse, they haven't in the field, it seemed, so as one questioner asked, what will it mean for crop selectivity, for example? Some pesticides are right on the edge of crop safety, so maybe these more potent formulations might fall down there. But the technology seemed very exciting to me.
And then this week I met up with an American biotech firm. They claimed that they could modify plant genes only using the plant's natural DNA repair system to make very targeted changes. Already it was working on herbicide tolerance, and said other traits we really only associate with GMOs, such as complete disease resistance and drought tolerance could also be achieved using the technique.http://www.fwi.co.uk/Articles/2009/11/18/118795/Drought-and-herbicide-tolerance-possible-without-GM.htm
Now I'm sure it isn't quite as straightforward as they made it seem - first of all you need to know which gene to target, and then how to modify it, and then build the right GRON (a little chemical structure that tells the gene to repair to the gene to the right genetic code) which latches onto the gene in the right way, etc. Surely that isn't very easy?
But the beauty it seems is that the technique shouldn't be classified as GMO. Under current EU law there is an exemption for techniques that are mutagenesis. This is where it gets a bit deep science (and I won't pretend I understand all the detail), but essentially it seems that if you don't introduce any foreign DNA then it shouldn't be classified as GMO. (ie it is not transgenic) and this technique doesn't, Cibus says. The GRON thing induces the plant to use its own DNA to make the change, and then is ingested by the plant cell, so the DNA never gets into the plant's genes.
What this means is that we could get some of those traits we'd so dearly love in crops, such as drought tolerance, novel oil profiles, even herbicide tolerance (!) without the crops being classified as GMO. I have read somewhere in my research that (I think) Greepeace in Germany have said they don't have a problem with the technology. It will be interesting to see whether that holds true if it takes off.
I might be wrong, but I think both of these technologies are potentially really exciting for arable growers. And maybe, just maybe could help us reduce our dependence on pesticides without having to go down the GMO route. Surely that is a win:win?