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Poster: Validating Heterosis in Sweetpotato Breeding

Author: GrünebergW.J., F. Diaz et al. Contributors: Administrator September 04, 2017

Why developing hybrid breeding populations?Sweetpotato is a highly heterozygous clone hybrid crop and with hybrid breeding populations we achieve (i) yield increase, (ii) ease to stack simple inherited traits such as quality and disease resistance, and (iii) elevated yield stability. Achieving these goals is much more effective by offspring-parent analysis …
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Poster: Progress towards the holy grain of a virus resistant sweetpotato

Author: Robert Mwanga, R.T. Ssali et al. Contributors: Administrator September 04, 2017

Sweetpotato is grown for food and feed and is increasingly becoming an important cash crop for many farmers in sub Saharan Africa. Sweetpotato virus disease (SPVD) is, however, one of the major bottlenecks in the expanded use of sweetpotato because it is devastating and can cause 50 to 90% yield …
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Poster: Screening South African sweet potato cultivars for resistance to root-knot nematodes

Author: Kgabo M. Pofu, Phatu W. Mashela et al. Contributors: Administrator September 04, 2017

Plant parasitic nematodes, especially Meloidogyne species are considered to be the most important nematodes affecting sweet potato production worldwide. In South Africa a 6% loss, South America 15% and West Africa 24% loss is attributed to Meloidogyne spp.(Sasser 1979;Kleynhans,1991). South Africa does not have adequate empirically-based data on damage caused …
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Poster: Varietal selection in Madagascar & the use of OFSP for disaster response

Author: RASOLONIAINA Michelin Bruno Contributors: Administrator September 04, 2017

Every year, many regions in Madagascar are affected by floods, droughts, frost and locusts. They destroy many crops and increase food and nutrition insecurity. As part of climate-smart agriculture, several projects, NGOs and ministries choose sweetpotato to enhance resilience. Promoting high yielding and nutrient rich crops such as orange-fleshed sweetpotatoes …
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Poster: Building resilient food systems for Sub-Sahara Africa through genomics assisted breeding

Author: Mercy Kitavi, C Robin Buell et al. September 04, 2017

Conventional breeding, is still dependent to a considerable extent on subjective evaluation and empirical selection. The process can be difficult, slow, influenced by the environment, and costly for the economy, as farmers suffer crop losses. Molecular marker assisted breeding (MAS) offers great challenges, opportunities and prospects for conventional scientific breeding, …
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Poster: Breeding and disseminating early maturing, vitamin A rich sweetpotato in Burkina Faso

Author: SOME Koussao, Garane A. et al. Contributors: Administrator September 04, 2017

In the Sudano-Sahelian zone like Burkina Faso, the rainy season is shorter with periods of drought of varying lengths, while the prevalence of acute malnutrition is over emergency thresholds. To contribute to building resilient food and nutrition systems suitable sweetpotato varieties are expected to be orange-fleshed and better fit in …
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Poster: HIDAP-A unified platform for clonal crops breeders

Author: Luka Wanjohi, Raul Eyzaguirre et al. Contributors: Administrator September 04, 2017

Breeding programs involve large investments of time and money, but can pay very large returns on investment in the form of improved varieties which benefit farmers, societies and the environment. International breeding efforts involving multiple partners and targeting regionally important constraints have great potential for efficiently and rapidly achieving impact. …
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Poster: Progress in breeding in Rwanda: Incorporating Feedback from Farmers

Author: ndirigwe jean, Placide Rukundo et al. Contributors: Administrator September 04, 2017

Sweetpotato [Ipomoea batatas (L.) Lam.] is an important food crop in many parts of Africa, especially in Sub Saharan countries. In Rwanda, it is cultivated throughout the country and is especially important in densely populated areas of the plateau central (mid altitude), and Bugesera(low altitude) Ndirigwe, 2006; Njeruetal, 2008). Although …
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