



Tropical tuber crops (TTC) include cassava, sweet potato, yams, taro, tannia, elephant foot yam, arrowroot, Chinese potato and certain other starchy crops. Most of them are famine reserve crops due to their ability to withstand infertile soils, drought and heat, uncertain rainfall, coupled with probability to delay harvest of tubers until needed. Highly versatile crops, they are food for the household, feed for livestock and raw materials for a wide array of value-added products, from coarse flour to high-tech starch gels to alcohol to biofuel to bioplastics. Many of the world’s nature dependent and food insecure people are highly dependent on these crops as contributing, if not principal, sources of food, nutrition and family income. Though earlier considered as “food of the poor”, they have become multipurpose crops that respond to the priorities of developing countries, to trends in the global economy and to the challenges of climate change.more……





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