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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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  • Pages: 3

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2019 SASHA Brief 09. Efficiency of insect-proof net tunnels in reducing virus-related seed degeneration in sweetpotato.

Affordable insect-proof net tunnels proved effective in reducing virus-related degeneration in sweetpotato in Tanzania. Re-infection in high virus pressure area was prevented for up to 20 months and 18 months for Polista and Kabode varieties, respectively. Seed degeneration modeling showed that virus buildup could lead to significant yield loss after …
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2019 SASHA Brief 07. 2019 Sweetpotato digital catalogue now available.

The Sweetpotato Digital Catalogue (Fig. 1) presents a collection of the best performing sweetpotato varieties or “best bets” in Africa. Standardized information of 80 varieties in use in15 Sub-Saharan Africa (SSA) countries can be found at on the web Information on a particular variety can be downloaded for printing, …
  • Size: 1.2 MB
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  • Pages: 2

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