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It takes on average 7 to 8 years to breed a suitable sweetpotato cultivar in Africa adapted to local farmer and consumer needs. For southern Africa, the major sweetpotato breeding objectives are high storage root and vine yield, high β-carotene levels, and drought adaptation. Orange-fleshed sweetpotato (OFSP) cultivars alleviate vitamin A deficiency in African rural households (Hotz et al., 2012; Low et al., 2007). Furthermore, sweetpotato needs in southern Africa a critical amount of vine yield to plant the next growing season and for feed, particularly where land availability is scarce. However, food and fodder dual-purpose
This work was supported in part by a grant from the Bill & Melinda Gates Foundation and USAID.
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