For commercial reasons, richer farmers are likely to be the main target market for most privately funded plant biotechnology research, as reflected in the crop focus of current agricultural biotechnology research, which is heavily biased towards major commercial- often export- crops, such as maize, soybean, canola, cotton, tobacco, tomato, potato, squash and papaya, rather than the food staples of poorer populations, such as millet, sorghum, cassava, sweet potato and plantains
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