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Determinants of Sweetpotato Commercialization in South Nyanza, Kenya

Sweetpotato serves as an important food security crop in many parts of Kenya, but rarely is a principal food staple or significant cash crop. A structured household survey conducted among 81 sweetpotato growers examines the factors influencing the extent to which farmers engage in commercial sweetpotato production in four distinct …
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Diallel analysis of root dry matter content in sweetpotato

There has been much emphasis on breeding for increased sweetpotato storage root yields, but less on the dry matter yield, and its inheritance. High dry matter content (DMC) is associated with consumer preferences, and is important for processing industry. This study was conducted to determine the type of gene action …
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Efficient regeneration and transformation systems for improving resistance to weevils in Ugandan sweetpotato cultivars

Sweetpotato is cultivated worldwide as a valuable source of food. Weevils cause 60-100% loss of productivity. The present study aims at genetically transforming selected Ugandan sweetpotato cultivars with genes that confer resistance to weevils. A tissue culture method is being optimised to be coupled with Agrobacterium transformation technique for regeneration …
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Enhancing sweetpotato resistance to African weevils (Cylas puncticollis and Cylas brunneus) through transgenic breeding

Sweetpotato production is greatly constrained by two weevil species; Cylas puncticollis and C. brunneus that cause yield losses of up to 80%. The use of resistant sweetpotato cultivars is the most sustainable strategy to control the weevils. However, little success has been realized in developing resistant cultivars. Genetic engineering is …
  • Size: 24.4 kB
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  • Pages: 5

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