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The dynamics of smallholder farmers' acquisition and distribution of sweetpotato vines in the Lake Victoria Zone Region, Tanzania

This paper offers new insights into smallholder farmer’s practices regarding acquisition and distribution of sweetpotato planting material in the Mwanza and Mara regions of Tanzania by examining three specific issues: (i) farmers’ sources of planting material; (ii) factors that influence farmers’ sourcing of planting materials outside their own farms and …
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  • Pages: 11

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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 …
  • Size: 173.5 kB
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  • Pages: 4

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VARIETAL IDENTIFICATION IN HOUSEHOLD SURVEYS: RESULTS FROM THREE HOUSEHOLD-BASED METHODS AGAINST THE BENCHMARK OF DNA FINGERPRINTING IN SOUTHERN ETHIOPIA

Accurate crop varietal identification is the backbone of any high-quality assessment of outcomes and impacts. Sweetpotato (Ipomoea batatas) varieties have important nutritional differences, and there is a strong interest to identify nutritionally superior varieties for dissemination. In agricultural household surveys, such information is often collected based on the farmer’s self-report. …
  • Size: 407.7 kB
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  • Pages: 15

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Gender-sensitive Value Chain Intervention Improved Profit Efficiency among Orange-fleshed Sweetpotato Producers in Rwanda

The Rwanda Super Foods project sought to develop a value chain for processed orange-fleshed sweetpotato products to respond to farmer concerns over lack of markets. This study used data collected from five districts in rural Rwanda under supper food project between August and September 2014. The study applied a stochastic …
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  • Pages: 7

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Food Safety Knowledge, Attitude and Practices of Orange Fleshed Sweetpotato Puree Handlers in Kenya

Orange Fleshed Sweetpotato (OFSP) puree is a nutritious food ingredient for promoting Vitamin A intake in processed food products in Sub-Saharan Africa (SSA). OFSP puree handlers play an important role in ensuring production of consistently safe and quality OFSP puree and related processed products. Lack of or insufficient knowledge on …
  • Size: 260.4 kB
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  • Pages: 10

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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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  • Pages: 11

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Sweetpotato slip planting density and slip length optimization for mass production of quality planting material in smallholder farm settings

Sweetpotato production in unimodal rainfall farming systems in sub-Saharan Africa is constrained by inadequate quality planting material. Technologies for efficient production of sweetpotato planting material are imperative to improve this sub-sector. Consequently, two separate field experiments, using five orange-fleshed sweetpotato varieties were conducted to determine the optimum slip spacing and …
  • Size: 615.9 kB
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  • Pages: 13

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Yield, nutritional quality and stability of orangefleshed sweetpotato cultivars successively later harvesting periods in Mozambique

Long-term storage of sweetpotato roots is a great challenge for smallholder farmers in Mozambique. Piecemeal harvesting allows several months supply of roots for household consumption provided weevil infestation is avoided. The objectives of the present studies were to determine yield and changes in key macro- and micronutrients associated with early …
  • Size: 95.5 kB
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  • Pages: 5

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Orange-fleshed sweet potato (Ipomoea batatas) composite bread as a significant source of dietary vitamin A

Refining food recipes with orange- fleshed sweet potato (OFSP) has the potential to improve dietary intake of vitamin A. The objectives of this study were to utilize OFSP in the development of two composite bread types and to assess their contribution to dietary intake of vitamin A using the dietary …
  • Size: 426.7 kB
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  • Pages: 6

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