“What has {insert biotech here} done for food security?” This question starts at the wrong end of the problem, because food security is much larger than any biotechnology. I would suggest that governance, property rights and education are the fundamental issues for food security, followed by biotechnological options. For example, the best biotechnology is useless if one is trying to do agriculture in a war-ravaged country.

Once we have a relatively stable government and educated people can rely on property rights, the effects of different biotechnologies will be magnified and it will be possible to better assess them. I would say that matching the most appropriate technologies to the local environmental, economic and cultural conditions is a good sign of sustainable agriculture. I would also say that the broader the portfolio of biotechnology and agronomic practices the more likely a good match will be. That is, I would not a priori exclude any biotechnology from the table based on generic considerations.
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