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Field surveys in many cassava growing areas of Africa have assessed the incidence and severity of cassava mosaic disease (CMD), populations of the whitefly vector (Bemisia tabaci), and the distribution of cassava mosaic begomoviruses (CMBs). The methods employed differ greatly between countries a...


Sseruwagi, P.Sserubombwe, W.S.Legg, J.P.Ndunguru, J.Thresh, J.M.[Methods of surveying the incidence and severity of cassava mosaic disease and whitefly vector populations on cassava in Africa: a review]Methods of surveying the incidence and severity of cassava mosaic disease and whitefly vector populations on cassava in Africa: a review
Autor: Legg, J.P.

Cassava mosaic disease (CMD), recognized in Africa for more than a century, is now known to be caused by a group of geminiviruses in the genus Begomovirus from the family Geminiviridae. All are transmitted in a persistent manner by the whitefly vector, Bemisia tabaci. Structurally, cassava mosaic...


Legg, J.P.[African cassava mosaic disease]African cassava mosaic disease

Management of geminiviruses is a worldwide challenge because of the widespread distribution of economically important diseases caused by these viruses. Regardless of the type of agriculture, management is most effective with an integrated pest management (IPM) approach that involves measures befo...


Rojas, M.R.Macedo, M.A.Maliano, M.R.Soto-Aguilar, M.Souza, J.O.Briddon, R.W.Kenyon, L.Bustamante, R.F.R.Zerbini, F.M.Adkins, S.Legg, J.P.Kvarnheden, A.Wintermantel, William M.Sudarshana, M.R.Peterschmitt, M.Lapidot, M.Martin, D.P.Moriones, E.Inoue-Nagata, A.K.Gilbertson, R.L.[World management of geminiviruses]World management of geminiviruses

The effect of cassava mosaic virus disease (CMD) was compared on plants grown from cuttings that were initially virus-free at planting and those infected with a mild strain of East African cassava mosaic virus-Uganda (EACMV-UG). All initially healthy plants developed CMD symptoms within 5 months ...


Owor, B.Legg, J.P.Okao‐Okuja, G.Obonyo, R.Kyamanywa, S.Ogenga‐Latigo, M.W.[Field studies of cross protection with cassava Mosaic Geminiviruses in Uganda]Field studies of cross protection with cassava Mosaic Geminiviruses in Uganda

Whiteflies (Hemiptera: Aleyrodidae) are important insect pests causing serious damage to plants and transmitting hundreds of plant viruses. Climate change is expected to influence life history and trophic interactions among plants, whiteflies and their natural enemies. Here, we review the potenti...


Aregbesola, O.Z.Legg, J.P.Sigsgaard, L.Lund, O.S.Rapisarda, C.[Potential impact of climate change on whiteflies and implications for the spread of vectored viruses]Potential impact of climate change on whiteflies and implications for the spread of vectored viruses

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