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SPHI Brief 2014: Assuring Planting Material through Triple “S” in northern Uganda

In Uganda seasonal food insecurity is a major challenge. Triple S technology has help farmers assure their own supply of planting material in drought prone areas using roots as the “seed” source. This brief, reports that to date, a total of 10 implementing partner extensionists and 247 farmers (126 women …
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SASHA Brief 2014: Can Farmer Multipliers Successfully Manage Net Tunnels?

Challenges of limited ‘clean’ sweetpotato planting material lead to multiple short comings while managing SP farm. This brief presents a turnaround strategy for production of clean SP vines developed and tested in Rwanda. The main observation was that farmer groups with designated leaders charged to maintain vine conservation (net) tunnels near …
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SASHA Brief 2014: Capacity Building in the Sweetpotato Weevil Resistance Research Component

The development of transgenic sweetpotato with gene(s) for resistance to the African sweetpotato weevils Cylas puncticollis and C. brunneus involves generation, testing and promotion of the new sweetpotato varieties and requires the active participation of scientists, opinion-and decision makers in the country where these varieties are developed. This brief  outlines …
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SASHA Brief 2014: Unsweetpotato–Breeding staple-type sweetpotato for West Africa and beyond

Sweetpotato as its name suggest is sweet. The sweetness holds back its potential to play major role as starchy staple in diets. In West Africa, the need for Unsweetpotato integration into value chains is urgent. Additionally, characteristics such as storability, poundability are likely co-traits for these Unsweetpotato varieties. This brief …
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SASHA Brief 2014: Breeding for Drought Tolerance

The Southern Africa region susceptibility to climate variability and drought poses food insecurity threat to small scale farmers. The need for drought tolerant varieties has brought breeding trials for desired traits. This brief reports that breeding for drought-prone environments is truly challenging as adaption to drought can be achieved through …
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SASHA Brief 2014: Tackling Virus Resistance

This brief reports on project aimed towards breeding sweetpotato varieties with high level of virus resistance. Additionally, ensure the breeding methods are more efficient in producing improved populations with high expression of sweet potato virus disease (SPVD) resistance and quality characteristics desired by farmers and consumers. briefly selected SPVD resistant …
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SASHA Brief 2014: Heterosis Exploiting Breeding Schemes for Rapid Yield Enhancement

Heterosis is a concept first explained by Gregor Mendel in 1865. Further, in recent studies heterosis for outbreeding crops ranks among the biggest impacts made by plant breeders to world food supply. During sweetpotato action for security and health in Africa (SASHA) Phase 1, clear evidence was generated for the …
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SASHA Brief 2014: Getting Sweetpotato Varieties to Farmers Faster: The Accelerated Breeding Scheme (ABS)

The shortage of high quality planting material and lack of improved orange fleshed sweetpotato (OFSP) varieties is the most important constraints to sweetpotato production in Sub-Saharan Africa (SSA). Conventional breeding is time consuming hence need for alternative technology such as Accelerated Breeding schemes (ABS). This approach documents solid evidence generated …
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SPHI Brief 2014: The Reaching Agents of Change (RAC) Project in Nigeria (2011-2014)

Nigeria produces 3.9 Million metric tons/year of sweetpotato (SP) ranking second largest SP producing country in sub-Saharan Africa (SSA). Despite this huge produce, undernutrition is a challenge cause high mortality to under 5 year children. The Orange fleshed sweetpotato (OFSP) is a powerhouse that can address nutritional challenges. However, OFSP …
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