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The Use of OFSP to Combat Vitamin A Deficiency in Uganda

The HarvestPlus Initiative undertook a number of studies to document the situation of sweetpotato in Uganda with a focus on OFSP. These studies examined producer and consumer preferences, extension strategies and post harvest utilization. Surveys were conducted and data collected from all four of Uganda’s regions while considering intervention (communities …
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Review of Sweetpotato Seed Systems in East and Southern Africa

This working paper highlights the challenges and opportunities for producing sweetpotato planting material in Eastern and Southern Africa, where there is a huge potential for the crop to contribute to food and income security. Dissemination of intensive methods of conserving planting material using domestic waste water is recommended as a …
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CHALLENGE THEME PAPER 2: SUSTAINABLE SEED SYSTEMS

SUSTAINABLE SEED SYSTEMS

Sustainable seed systems for vegetatively or clonally propagated crops such as sweetpotato fulfill a number of critical roles: The timely provision of planting material of appropriate quality for smallholders, The efficient dissemination of new improved varieties from breeding programs, The provision of replacement planting material following natural disasters or in …
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CHALLENGE THEME PAPER 3: NUTRITIONAL IMPACT WITH ORANGE-FLESHED SWEETPOTATO (OFSP)

In contrast to Asia, malnutrition among young children is on the rise in Sub-Saharan Africa. A key millennium development goal (MDG) called for the reduction of underweight prevalence by 50% by the year 2015. Overall, in Africa, prevalence is expected to increase from 24% in 1990 to 27% in 2015. …
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CHALLENGE THEME PAPER 5: INTEGRATED CROP MANAGEMENT

Overall Challenge: Yields of sweetpotatoes are low in Africa and improved crop management will be critical to increases in productivity and yet there is virtually a research vacuum on integrated crop management (ICM) and most farmers have few incentives to intensify crop management. So the question is: how can quality …
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Unleashing the potential of sweetpotato in Sub-Saharan Africa: Current challenges and way forward

The series of theme papers presented in this working paper were prepared in preparation for a Sweetpotato Challenge Workshop held in July 2008 in Addis Ababa. This workshop brought together experts in the areas of agriculture, nutrition, health, animal feed and marketing from all parts of SSA to engage and …
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Prospects for Enhancing Value of Crops through Public-Sector Research: Lessons from Experiences with Roots and Tubers

As international agricultural research centers places greater emphasis on poverty reduction, a debate is underway whether higher priority should be given to research to “add value” to agricultural commodities through post-harvest innovations at the expense of the traditional emphasis given to agricultural production. In particular, post-harvest research is seen as …
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Sweetpotato Postharvest Systems in Uganda: Strategies, Constraints and Potentials

Sweetpotato is often either a major food staple or complementary staple in Ugandan food systems. It also serves as a famine reserve crop and increasingly as an important source of case income. Nevertheless, sweetpotato has only recently begun to attract the attention of researchers and policy markers with much of …
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  • Pages: 99

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Farmers’ indigenous knowledge of sweetpotato production and utilization in the Cordillera Region

In the Cordillera region of the Philippines, located 250 kilometers north of Manila, sweetpotato is an important crop especially in areas where development is slow. This study is a documentation of farmers’ indigenous knowledge of sweetpotato production and utilization. A detailed description of the sweetpotato subsystem was obtained through Rapid …
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