23.01.2015 Views

Hope Not Hype - Third World Network

Hope Not Hype - Third World Network

Hope Not Hype - Third World Network

SHOW MORE
SHOW LESS
  • No tags were found...

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Biotechnologies for Sustainable Cultures<br />

81<br />

traditional societies needs to be”<br />

generally recognized. It may not be<br />

enough to use biotechnology to increase<br />

the number or types of cattle, for<br />

instance, if this reduces local genetic<br />

diversity or ownership, the ability to<br />

secure the best adapted animals, or they<br />

further degrade ecosystem services. (p.<br />

43)<br />

(From Agriculture at a Crossroads: The<br />

Synthesis Report by IAASTD, ed.<br />

Copyright © 2009. Reproduced by<br />

permission of Island Press, Washington,<br />

D.C.)<br />

unexceptional at best and possibly counter-productive at worst. To the degree that it might<br />

offer benefits, these are disputed and either the industry or regulators, or both, have not<br />

risen to the challenge of closing the research uncertainties. The scientific risks are both<br />

plausible and demonstrated if not always conclusive outside of the laboratory or field test.<br />

The legal risks have been amply demonstrated.<br />

Until recently, it was thought that “there are fewer options available than previously to<br />

address current problems through traditional breeding techniques” and that genetic<br />

modification technologies would largely replace classical breeding. The science of plant<br />

breeding is still waking up from this transgenic dream. Although genetic modification<br />

technologies have proven to be very powerful for introducing single gene traits (for example,<br />

resistances to insects and herbicides), the success rate for more complex traits, determined<br />

by numerous interacting genes, is much lower (Zamir, 2008, p. 270).<br />

The authors of the Assessment were not depressed by Zamir’s prognosis. They<br />

believed that there was reason to be optimistic that agriculture could be sustainable and<br />

more productive either with or without modern biotechnology (Tilman et al., 2002).<br />

Traditional breeding technologies have been immensely successful, and indeed are largely<br />

responsible for the high yields associated with contemporary agriculture. These technologies<br />

should not be considered passé or out of date…This is because selective breeding operates<br />

on whole organisms – complete sets of coordinated genes – while genetic engineering is<br />

restricted to three or four gene transfers with little control over where the new genes are<br />

inserted. For the most important agronomic traits, traditional breeding remains the technology<br />

of choice (Varzakas et al., 2007, p. 336).<br />

Like all visions, the Assessment’s will be incomplete or wrong in some details, but it<br />

is a vision that arises from the largest single research effort on this topic in all of human<br />

history. It is the most authoritative statement on current knowledge.<br />

The Assessment found that the drive to use the private sector for such an enormous<br />

proportion of agriculture research innovation fails to be relevant to the circumstances and<br />

needs of poor and subsistence farmers (Tilman et al., 2002).<br />

There is a vast difference between what happens in the fields of a farmer growing just one or<br />

two different crops on 500 hectares in Iowa and another growing many more different crops<br />

on

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!