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Tag Archives: Accelerated breeding

SASHA Brief 2016: Expanded and Sustained Uptake of the Accelerated Breeding Scheme (ABS) Approach

The most important constraints to sweetpotato production in Sub-Saharan Africa (SSA) are shortage of high quality planting material and lack of improved OFSP varieties. The conventional breeding approach followed for decades by breeding programs starts with population development (generation of genetic variation through production of botanical seed) and ends with …
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Presentation 15: Best practices for clonal identity verification and health testing

This presentation by Jan Kreuze and Bramwell Wanjala sought to identify why clonal identification is important, how to measure genetic diversity, the challenges and expectations in clone identification and how to overcome bottle-necks. The presentation also highlights the current virus testing methods and their advantages and disadvantages.
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SASHA Brief 2011: Breeding in Africa for Africa

National sweetpotato breeding programs are time consuming and delay to produce new variety. Frequently those new varieties do not suit the various geographic areas and the preferences of diverse farmers and consumers within a country. Most countries have no real breeding program and rely on testing materials developed elsewhere, which …
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SASHA Brief 2012: Breeding in Africa for Africa

The conventional sweetpotato breeding (CSB) programs are time consuming. The new varieties released via CSB often fail to suit the various geo-graphic areas and the preferences of diverse farmers and consumers within a country. Indeed, most of these countries lack real breeding program hence rely on testing materials developed elsewhere. …
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Breeding in Africa for Africa

Traditionally, sweetpotato breeding programs have taken a long time, 7 to 8 years, to produce a new variety. Moreover, as of 2008, most countries in Africa had no real breeding program and relied on testing materials developed elsewhere. This flyer explains the work done by 13 active breeding programs in …
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SASHA Brief 2014: Breeding in Africa for Africa

In recent past, conventional breeding programs were relied on for development of new sweetpotato varieties with desired characteristics. These methods however, are hampered with limitations such as taking long time and failure to produce varieties suited to varied geographical zones. This brief reports on efforts to revolutionize these conventional programs …
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DEVELOPMENT OF SWEETPOTATO VARIETIES FOR DUAL PURPOSE USE THROUGH PARTICIPATORY BREEDING IN RWANDA

  This work focuses on sweetpotato breeding for dual application with aid of farmer participation in Rwanda. The major target is to release new varieties such as Orange fleshed sweetpotato (OFSP) clones with farmer desired traits such as, high yielding, early maturing, good storability, resistant to SPVD and Alternaria and …
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DEVELOPMENT OF SWEETPOTATO VARIETIES IN CENTRAL RIFT OF KENYA THROUGH FARMER PARTICIPATORY APPROACH

  Food insecurity is a major threat to Kenya due to food crops susceptibility to diseases and pests. Possible solutions to the challenge include development of crop varieties that meet consumer preference and market needs. This presentation portrays Sweet potato as a security crop during dry season and when other …
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WHAT HAVE BEEN LEARNED FROM HARVESTPLUS? LESSONS FROM HP

Agriculture and healthcare are interdependent. In Sub-Saharan Africa (SSA) the need for nutritional security is urgent. This presentation is focusing on available technologies such as accelerated breeing schemes which have been able to provide sweet potato varieties with high quality carotenoids.  
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  • Pages: 21

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