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| Surveillance approaches for cassava viruses in East and Central Africa, Legg, J., Shirima, R. R., Jeremiah, S. C., Ndyetabula, I.*, Obiero, H.*, Mkamilo, G.*, Bigirimana, S.*, Gashaka, G.*, Tata-Hangy, W.*, Okao-Okuja, G., Obonyo, R., Bouwmeester, H. and Kumar, P. L., Abstract, SP05-11 (SP11-06) in Program and Abstracts, Second Scientific Conference of the Global Cassava Partnership for the 21st Century (GCP21-II). June 18-22, 2012, Kampala, Uganda, 2012. |
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| Pandemics of cassava virus diseases in Africa: developing appropriate management strategies, Legg, J., Shirima, R. R., Jeremiah, S.*, Boniface, S., Okao-Okuja, G., Maruthi, M. N., Kumar, P. L., Smith, J. and Peters, D.*, Abstract, SP05-11 (PS14) in Program and Abstracts, Second Scientific Conference of the Global Cassava Partnership for the 21st Century (GCP21-II). June 18-22, Kampala, Uganda., 2012. |
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| Occurrence and distribution of cassava pests and diseases in Rwanda, Night, G., Asiimwe, P., Gashaka, G.*, Nkezabahizi, D.*, Legg, J., Okao-Okuja, G., Obonyo, R., Nyirahorana, C., Mukakanyana, C., Mukase, F.*, Munyabarenzi, I* and Mutumwinka, M.*, in: Agriculture, Ecosystems and Environment, volume 140, number 3 and 4, pages 492-497, ISSN 0167-8809, 2011. |
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| Comparing the regional epidemiology of the cassava mosaic and cassava brown streak virus pandemics in Afriica, Legg, J., Jeremiah, S.*, Obiero, H.*, Maruthi, M. N., Ndyetabula, I.*, Okao-Okuja, G., Bouwmeester, H., Bigirimana, S.*, Tata-Hangy, W.*, Gashaka, G.*, Mkamilo, G.*, Alicai, T.* and Kumar, P. L., in: Virus Research, volume 159, pages 161-170, ISSN 0168-1702, 2011. |
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| A tale of two epidemics: the contrasting dynamics of cassava mosaic and cassava brown streak diseases in East Africa, Legg, J., Jeremiah, S.*, Obiero, H., Maruthi, M. N., Ndyetabula, I.*, Okao-Okuja, G., Kim, D., Bouwmeester, H., Bigirimana, S.*, Tata-Hangy, W., Gashaka, G.*, Mkamilo, G.*, Alicai, T.* and Kumar, P. L., Abstract: PVEN-IPVEN Symposium, on exploiting agricultural and natural ecosystems, June 20-24, Cornell, Ithaca, New York, 2010. |
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| Cassava virus disease survillence in sub-Saharan Africa, Legg, J., Kim, D., Maruthi, M. N., Bouwmeester, H., Okao-Okuja, G., Obonyo, R., Boniface, S., Jeremiah, S.*, Busungu, C., Ndyetabula, I.*, Legg, C. and Kumar, P. L., Abstract presented at the International Cassava Brown Streak Disease Workshop. Entebbe, Uganda 5-7 May, 2010. |
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| Cassava virus disease surveillance in sub-Saharan Africa: proceedings (Poster), FAO CaCESCA project meeting, 30 November to 3 December, 2009, Dar es Salaam, Tanzania, Legg, J., Kim, D., Maruthi, M. N., Bouwmeester, H., Okao-Okuja, G., Obonyo, R., Boniface, S., Jeremiah, S.*, Busungu, C., Ndyetabula, I.*, Legg, C. and Kumar, P. L., 2009. |
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| Fifteen years of cassava virus epidemics in East and Central Africa, Legg, J., Okao-Okuja, G., Obonyo, R., Boni, S., Kumar, P. L., Dixon, A., Bigirimana, S.*, Tata-Hangy, K.*, Obiero, H., Gashaka, G.*, Jeremiah, S.*, Ndyetabula, I.* and Omongo, C. S.*, in: Global Cassava Partnership-First Scientific Meeting: Cassava Meeting the challenges of the New Millennium, 21 - 25 July, 2008, Ghent University, Ghent, Belgium, pages 140, 2008. |
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| Distribution, incidence and severity of Cassava diseases and pests in Mozambique, Toko, M., Hanna, R., Legg, J., Andrade, M., Jone, A., Agboton, B., Otema, M, Okao-Okuja, G., Obonyo, R. and Mambo, E., in: Proceedings of the 9th ISTRC-AB Symposium, pages 623-633, Mombasa, Kenya, 2007. |
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| Monitoring and diagnostic survey of cassava mosaic virus disease (CMD) in Rwanda, Kanyange, M. C.*, Night, G., Nyirahorana, C., Mukakanyana, C., Gashaka, G.*, Okao-Okuja, G., Obonyo, R., Asiimwe, P. and Legg, J., 2007. |
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| Monitoring and diagnostic survey of cassava mosaic virus disease (CMD) in Uganda, Omongo, C. S.*, Poro, S., Omara, J., Omara, T.*, Okao-Okuja, G., Obonyo, R., Asiimwe, P. and Legg, J., 2007. |
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| Southern Sudan, Equatoria region, cassava baseline survey technical report, Ntawuruhunga, P., Legg, J., Okidi, J., Okao-Okuja, G., Tadu, G.* and Remington, T., International Institute of Tropical Agriculture (IITA), ISBN 978-131-323-4, 2007. |
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| Monitoring and diagnostic survey of cassava mosaic virus disease (CMD) in Eastern Democratic Republic of Congo (Part 2), Tata-Hangy, K.*, Koffi-Tete, M., Obonyo, R., Okao-Okuja, G., Asiimwe, P. and Legg, J., 2007. |
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| Monitoring and diagnostic survey of cassava mosaic virus disease (CMD) in Eastern Democratic Republic of Congo (Part 1), Tata-Hangy, K.*, Koffi-Tete, M., Obonyo, R., Okao-Okuja, G., Asiimwe, P. and Legg, J., 2007. |
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| Monitoring and diagnostic survey of cassava mosaic virus disease (CMD) in Western Kenya, Obiero, H., Akhwale, M., Okao-Okuja, G., Asiimwe, P. and Legg, J., 2007. |
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| Incidence and severity of cassava mosaic disease in the Republic of Congo, Ntawuruhunga, P., Okao-Okuja, G., Bembe, A., Obambi, M., Armand Mvila, J. and Legg, J., in: African Crop Science Journal, volume 15, number 1, pages 1-9, 2007. |
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| Whiteflies as vectors of plant viruses in cassava and sweetpotato in Africa: The diversity of cassava mosaic begomoviruses in Africa, Markham, R., Briddon, R., Roussot, C., Farquhar, J., Okao-Okuja, G. and Legg, J., in: Whiteflies and whitefly-borne viruses in the tropics: building a knowledge base for global action, Centro Internacional de Agricultura Tropical, Cali, Colombia, 2005. |
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| Cassava mosaic geminiviruses associated with cassava mosaic disease in Rwanda, Sseruwagi, P., Okao-Okuja, G., Kalyebi, A., Muyango, S.*, Aggarwal, V. and Legg, J., in: International Journal of Pest Management, volume 51, number 1, pages 17-23, ISSN 0967-0874, 2005. |
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| Field studies of cross protection with cassava Mosaic Geminiviruses in Uganda, Owor, B., Legg, J., Okao-Okuja, G., Obonyo, R., Kyamanywa, S.* and Ogenga-Latigo, M.*, in: Journal of Phytopathology, volume 152, number 4, pages 243-249, ISSN 1439-0434, 2004. |
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| The effect of cassava mosaic geminiviruses on symptom severity, growth and root yield of a cassava mosaic virus disease-susceptible cultivar in Uganda, Owor, B., Legg, J., Okao-Okuja, G., Obonyo, R. and Ogenga-Latigo, M.*, in: Annals of Applied Biology, volume 145, number 3, pages 331-337, ISSN 0003-4746, 2004. |
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| First report of cassava mosaic disease and cassava mosaic geminiviruses in Gabon, Legg, J., Ndjelassili, F. and Okao-Okuja, G., in: Plant Pathology, volume 53, number 2, pages 232, 2004. |
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| Viruses associated with cassava mosaic disease in Senegal and Guinea Conakry, Legg, J., Okao-Okuja, G., Traore, L.* and Jorge, M., in: Journal of Phytopathology, volume 152, pages 69-76, 2004. |
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| A distinct Bemisia tabaci (Gennadius) (Hemiptera: Sternorrhyncha: Aleyrodidae) genotype cluster is associated with the epidemic of severe cassava mosaic virus disease in Uganda, Legg, J., French, R., Rogan, D., Okao-Okuja, G. and Brown, K., in: Molecular Ecology, volume 11, number 7, pages 1219-1229, ISSN 0962-1083, 2002. [DOI] |
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| Plants infected with mild strains of cassava mosaic geminiviruses (CMGs) outperform initially healthy plants under high CMG inoculum pressure conditions in Uganda, Owor, B., Legg, J., Okao-Okuja, G., Obonyo, R. and Ogenga-Latigo, M.*, in: Paper presented, Entebbe, Uganda, 2002. |
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| Interactions between cassava mosaic geminiviruses and the African pandemic of cassava mosaic disease, Owor, B., Legg, J., Okao-Okuja, G., Obonyo, R. and Ogenga-Latigo, M.*, in: Paper presented, Kampala, Uganda, 2002. |
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| The effect of cassava mosaic geminiviruses on the root yield of a cassava mosaic disease susceptible cultivar in Uganda, Owor, B., Legg, J., Okao-Okuja, G. and Ogenga-Latigo, M.*, 2001. |
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| Effect of cassava mosaic geminiviruses on the growth and yield of a cassava mosaic disease susceptible cultivar in Uganda, Owor, B., Legg, J., Okao-Okuja, G. and Ogenga-Latigo, M.*, in: Abstracts of the Fifth International Meeting of the Cassava Biotechnology Network, 4-9 Nov, St. Louis, Missouri, USA, pages S8-S15, 2001. |
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| Progress in the diagnosis and epidemiological characterisation of cassava mosaic geminiviruses in East Africa, Legg, J. and Okao-Okuja, G., in: Abstracts of the VIIth International Plant Virus Epidemiology Symposium, Aguadulce (Almeria), Spain, 11-16 April 1999, pages 74-75, 1999. |
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