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The greatest current threat to cassava in sub-Saharan Africa, is the continued expansion of plant virus pandemics being driven by super-abundant populations of the whitefly vector, Bemisia tabaci. To track the association of putatively genetically distinct populations of B. tabaci with pandemics ...


Legg, J.P.Sseruwagi, P.Boniface, S.Okao-Okuja, G.Shirima, R.R.Bigirimana, S.Gashaka, G.Herrmann, H-W.Jeremiah, S.Ndyetabula, I.Tata-Hangy, W.Masembe, C.Brown, J.Obiero, H.[Spatiotemporal patterns of genetic change amongst populations of cassava Bemisia tabaci whiteflies driving virus pandemics in East and Central Africa]Spatiotemporal patterns of genetic change amongst populations of cassava Bemisia tabaci whiteflies driving virus pandemics in East and Central Africa

Cassava mosaic disease and cassava brown streak disease are caused by viruses transmitted by Bemisia tabaci and affect approximately half of all cassava plants in Africa, resulting in annual production losses of more than $US 1 billion. A historical and current bias towards virus rather than vect...


Legg, J.P.Shirima, R.R.Tajebe, L.Guastella, D.Boniface, S.Jeremiah, S.Nsami, E.Chikoti, Patrick ChizaRapisarda, C.[Biology and management of Bemisia whitefly vectors of cassava virus pandemics in Africa]Biology and management of Bemisia whitefly vectors of cassava virus pandemics in Africa

Cassava brown streak disease (CBSD) is currently the most significant virus disease phenomenon affecting African agriculture. In this study, we report results from the most extensive set of field data so far presented for CBSD in Africa. From assessments of 515 farmers’ plantings of cassava, inci...


Jeremiah, S.Ndyetabula, I.Mkamilo, G.S.Haji, S.Muhanna, M.Chuwa, C.Kasele, S.Bouwmeester, H.J.[The dynamics and environmental influence on interactions between cassava brown streak disease and the whitefly, Bemisia tabaci]The dynamics and environmental influence on interactions between cassava brown streak disease and the whitefly, Bemisia tabaci
Jeremiah, S.Ndyetabura, I.Boni, S.B.Shirima, R.R.Legg, J.P.[Monitoring and diagnostic survey of cassava mosaic virus disease (CMD) in the lake zone of Tanzania]Monitoring and diagnostic survey of cassava mosaic virus disease (CMD) in the lake zone of Tanzania

Increased sweetpotato production in sub-Saharan Africa is hampered by high incidence of virus diseases. Work is going on to test whether healthy seed production can be maintained through a combination of farmer practices and internal and external quality assurance mechanisms; and to ensure that ...


Ogero, K.McEwan, M.Jeremiah, S.[Towards improved seed system management: Use of affordable net tunnels and decentralized inspection schemes.]Towards improved seed system management: Use of affordable net tunnels and decentralized inspection schemes.

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