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2019 SASHA Brief 17. Are begomoviruses a threat to sweetpotato production in Sub-Saharan Africa?

Begomoviruses have progressively been reported to be infecting sweetpotatoes throughout the world. Despite showing few symptoms, limited studies have reported them to have a varying but significant impact on root quality and yield. A cultivar with moderate resistance to Sweet potato feathery mottle virus (SPFMV) and/or Sweet potato chlorotic stunt …
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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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