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Tag Archives: SPHI 2019

2019 SASHA Brief 11. Bridging the gap between pre-basic seed producers and decentralized multipliers for a sustainable sweetpotato seed system in Tanzania.

A study was conducted to understand the economic sustainability of basic seed enterprises to bridge the gap between pre-basic seed producers and decentralized vine multipliers. Four commercial seed multipliers were supported on a 2:3 (multiplier: CIP) cost-share basis. They were trained in entrepreneurial skills, marketing, business planning, and quality seed …

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2019 SASHA Brief 06. Breeding for continuous storage root formation and bulking in sweetpotato.

Research conducted on diverse sweetpotato germplasm showed that some genotypes form their roots at the same time, that are of the same maturity (discontinuous storage root formation and bulking) and other continue to form roots over time (continuous root forming), which aligns with the traditional practice of piecemeal harvesting. The …

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2019 SASHA Brief 05. Breeding and prospects for low sweet sweetpotato in West Africa.

A trained sensory panel was developed to assist with breeding for sweetpotato quality preferences of consumers in West Africa. Lexicons of terms to precisely describe boiled and fried sweetpotato sensory quality have been developed using trained sensory panel. Trained panel results showed that there is no direct relationship between sugar …

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2019 SASHA Brief 04. Major achievements in breeding for drought tolerance and high iron orange-fleshed sweetpotato in Mozambique: Lessons learned and achievements in phase 2 (2014-2019)

Successful second round of accelerated breeding completed, with the release of 4 orange-fleshed (OFSP) and 3 purple-fleshed (PFSP) drought tolerant sweetpotato varieties in 2016. Third round will be completed in 2019. Early season and terminal drought have negative effects on storage root yield (Fig. 1). Thick vines offer a morphological …

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