We are too reliant on too few crop species. Using more underutilised plants will improve global food security, says Sean Mayes.
The world depends for its basic diet of carbohydrates, fats and proteins on a very limited number of crop species.
For carbohydrates, three related species, wheat, rice and maize, dominate human consumption. Any short term improvement in food security will need to include modification (either transgenic or through conventional breeding) of these and other staple crops.
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