175.2 million hectares of biotech crops were grown globally in 2013. In the United States, the first commercialized drought-tolerant maize (MON87460) expressing Bacillus subtilis cold shock protein B (cspB) was planted by 2,000 farmers over 50,000 hectares. Indonesia also approved drought-tolerant sugarcane expressing choline dehydrogenase (betA), .... Other drought-resistant varieties of sugarcane, maize, wheat and rice are also in field trials...
More @ Drought-tolerant varieties begin global march : Nature Biotechnology : Nature Publishing Group: Including lots of graphs.
See also later post:
APR 24 2014 Global march of drought tolerant crop varieties Part2. Altered ethylene improves grain yield in maize
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