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SASHA Brief 10: Cost-effectiveness of Different Irrigation Approaches for Producing Sweetpotato Vines in Net Tunnels Compared to Open Nurseries

This study was conducted under researcher-management to compare different irrigation approaches for producing sweetpotato planting material in low-cost net tunnels and open nurseries. Preliminary results show that producing vines using net tunnels with access to irrigation (drip and furrow) is more cost-effective than producing vines in open field nurseries with …
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SASHA Brief 09: Rice-Sweetpotato Rotation System: Improving Rice Yields and Profitability while Providing Sweetpotato Planting Material and Food in Irrigated Rice Schemes in Northern Uganda

After three seasons, the overall results for the sweetpotato-rice rotation show that average root yields in the rotation treatment were significantly higher (average yield= 28 t ha-1) than in the control (average yield= 19.8 t ha-1). Paddy yield of rice grown after sweetpotato was also significantly higher than the control …
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SASHA Brief 08: Triple S PLUS is Ready for Scaling: Learning, Research, Impact …Together

In 2017 the CGIAR Research Programme on Roots, Tubers and Bananas (RTB) Scaling Fund awarded funds to three innovations to foster their scaling. Triple S PLUS technology (Storage in Sand and Sprouting) in northern Ghana and southern Ethiopia was one the recipients of this award. The project works in collaboration …
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SASHA Brief 06: Yield Impact of Sweetpotato Begomoviruses: Are They Significant?

We established the occurrence and distribution of begomoviruses in Kenya. Field survey was conducted in major sweetpotato growing regions (i.e., Western, Nyanza, Coast, and Eastern). A total of 896 samples were collected and tested by PCR to confirm begomoviruses. One hundred and sixty-seven (167) tested positive from the different regions. …
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SASHA Brief 05: Making the Best Bets Accessible

Expected at the end of 2018, the best bet catalogue will present on the web and mobile based platforms a collection of the best performing sweetpotato varieties in Africa. In 2018, a collection of 98 varieties from 16 SSA countries has been grown in a field trial at Kiboko-KALRO, Kenya …
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SASHA Brief 03: Revolutionizing Sweetpotato Breeding Through Heterosis Exploiting Breeding Schemes – How Far are we?

Exploitation of hybrid vigor is one of the hallmarks of modern plant and animal breeding, but until recently had not been seriously considered by root and tuber breeders. In sweetpotato breeding, we have made exciting progress developing and implementing heterosis exploiting breeding schemes (HEBS) and are now applying this approach …
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