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Social and Economic Impact of SASHA Project to the Population Livelihoods in Muhanga District: Case study of SHyogwe sector (2011-2014)

Sweet potato has been grown and constituted one of the staple foodstuffs in Rwanda for decades. It is used as foodstuff and fodder for animal. Its tuberous root and leaves are most important for food while vine cuttings are used for cultivation. In Rwanda several varieties are grown, the traditionally …

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Genetic Variation, Diversity and Genotype by Environment Interactions of Nutritional Quality Traits in East African Sweetpotato

This study sought to contribute to the pre-breeding knowledge base required for the improvement of sweetpotato nutritional quality targeting beta-carotene, dry matter, starch, sucrose and minerals as a sustainable strategy to reduce the problems associated with the micronutrient deficiencies and malnutrition among people in developing countries.

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Vitamin A Deficiency is a major threat to women and children’s health in Mozambique. In 2000, the Ministry of Agriculture and Rural Development launched a program to multiply and widely distribute vines of orange-fleshed sweetpotato varieties (OFSVs) to smallholders throughout the country. Since sweetpotatoes are grown and consumed by almost …

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Effects of Intercropping ‘Orange-Fleshed’ Sweetpotato with Onion on the Level of Weevil Damage

The problem of household food and economic insecurity i.e. inability of families to produce and purchase enough food to meet basic needs is considered to be a major determinate of Malawi’s nutrition problems. The major nutritional disorder in Malawi is Vitamin A deficiency. Orange-fleshed sweetpotato (Ipomea batatas) was introduced through …

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Investigating carotenoid loss after drying and storage of orange-fleshed sweet potato


Biofortified orange-fleshed sweetpotato (OFSP) is being promoted to tackle vitamin A deficiency, a serious public health problem affecting children and pregnant/lactating women in sub-Saharan Africa. The aim of the study was to quantify and understand the factors influencing carotenoid losses in dried OFSP. Losses were determined in chips after drying …

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Sweetpotato breeding for northeastern Uganda: Farmer varieties, farmer-participatory selection, and stability of performance

Between 1999 and 2001, the author conducted various studies, primarily in northeastern Uganda, aimed at rapidly assessing the potential of farmer varieties of sweetpotato (Ipomoea batatas) from northeastern Uganda in contributing to the varietal improvement programme in Uganda. These studies included: (i) collection of germplasm (farmer varieties) and farmer knowledge …

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