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SASHA Brief 03: REVOLUTIONIZING SWEET POTATO BREEDING

Exploitation of hybrid vigor is one of the hallmarks of modern plant and animal breeding, but until recently had not been seriously considered by root and tuber breeders. In sweetpotato breeding, we have made exciting progress developing and implementing heterosis exploiting breeding schemes (HEBS) and are now applying this approach …
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In vitro iron bioaccessibility and uptake from orange-fleshed sweet potato (Ipomoea batatas (L.) Lam.) clones grown in Peru

Research to evaluate the potential of sweet potato to alleviate iron deficiency in affected human populations in developing countries is scarce. To partly fill this gap, we evaluated the bioaccessibility of iron in six sweet potato clones grown in two Peruvian environments, Satipo and San Ramon, following an in vitro …
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An Orphan Crop, The Orange-Fleshed Sweet potato, in West Africa: Can We Reposition it?

Sweet potato (Ipomoea batatas L.) was not an important crop in Ghana, Burkina Faso and Nigeria, West Africa, in the past decades. An effort has been made to reposition the sweet potato crop in West Africa. Orange-Fleshed Sweet potato (OFSP) cultivar was used as an entry point while properly designing …
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The Inheritance of Yield Components and Beta Carotene Content in Sweet Potato

Analysis of the gene action exhibited by an agronomic trait in crop plants is useful in the planning of an effective plant breeding program. This study sought to establish the inheritance variance of root yield components and beta carotene content present in sweet potato clones commonly grown in Kenya. Ten …
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Structure of sweet potato (Ipomoea batatas) diversity in West Africa covaries with a climatic gradient

Sub-Saharan agriculture has been identified as vulnerable to ongoing climate change. Adaptation of agriculture has been suggested as a way to maintain productivity. Better knowledge of intra-specific diversity of varieties is prerequisites for the successful management of such adaptation. Among crops, root and tubers play important roles in food security …
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Plant growth and yield stability of orange fleshed sweet potato (Ipomoea batatas) genotypes in three agro-ecological zones of Malawi

An on-farm study was conducted to evaluate plant growth, tuber yield and stability of orange fleshed sweet potato (OFSP) genotypes in three agro-ecological zones of Malawi. The study sites were Maseya in Chikhwawa District representing low altitude areas with hot climate; Bunda in Lilongwe District representing medium altitude with warm …
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