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Cassava production in Africa is compromised by cassava brown streak disease (CBSD) and cassava mosaic disease (CMD). To reduce costs and increase the precision of resistance breeding, a QTL study was conducted to identify molecular markers linked to resistance against these diseases. A bi-parenta...


Masumba, E.A.Kapinga, F.Mkamilo, G.S.Salum, K.Kulembeka, H.P.Rounsley, S.Bredeson, J.V.Lyons, J.B.Rokhsar, D.S.Kanju, E.Katari, M.S.Myburg, A.A.Merwe, N.A. van derFerguson, Morag E.[QTL associated with resistance to cassava brown streak and cassava mosaic diseases in a bi-parental cross of two Tanzanian farmer varieties, Namikonga and Albert]QTL associated with resistance to cassava brown streak and cassava mosaic diseases in a bi-parental cross of two Tanzanian farmer varieties, Namikonga and Albert
Mkamilo, G.S.Ndyetabula, I.L.Jeremiah, S.C.Merumba, S.M.Kibura, J.Karugaba, R.KChirimi, B.Bagambisa, C.Milala, P.Chuwa, C.Ngendello, T.Legg, J.P.Kanju, E.E.Ntawuruhunga, Pheneas[Recently released cassava varieties in the lake zone of Tanzania]Recently released cassava varieties in the lake zone of Tanzania

An improved understanding of phenotypic variation within cassava germplasm in southern, eastern and central Africa will help to formulate knowledge-based breeding strategies. Thus, the overall objective of this study was to examine the phenotypic variation in cassava germplasm available within si...


Kawuki, Robert S.Ferguson, M.Labuschagne, M.T.Herselman, L.Orone, J.Ralimanana, I.Bidiaka, M.Lukombo, S.Kanyange, M.C.Gashaka, G.Mkamilo, G.S.Gethi, J.Mkamilo, G.S.[Variation in qualitative and quantitative traits of cassava germplasm from selected national breeding programmes in subSaharan Africa]Variation in qualitative and quantitative traits of cassava germplasm from selected national breeding programmes in subSaharan Africa

Cassava (Manihot esculenta Crantz) provides the cheapest source of food calories in Africa and forms the major staple for roughly 40% of Africans. More than 200 million people in sub-Saharan Africa derive over 50% of their carbohydrate intake from cassava. It has been recognised as a powerful pov...


Kanju, E.Mkamilo, G.S.Mgoo, V.Ferguson, M.[Statistical evidence linking the zigzag stem habit with tolerance to cassava brown streak disease]Statistical evidence linking the zigzag stem habit with tolerance to cassava brown streak disease

Cassava brown streak disease (CBSD), caused by cassava brown streak viruses, is recognized as one of the most important plant disease threats to African food security. This study describes the incidence and severity of the different symptom types caused by CBSD, derived from extensive surveys in ...


Ndyetabula, I.L.Merumba, S.M.Jeremiah, S.C.Kasele, S.Mkamilo, G.S.Kagimbo, F.M.Legg, J.P.[Analysis of interactions between cassava brown streak disease symptom types facilitates the determination of varietal responses and yield losses]Analysis of interactions between cassava brown streak disease symptom types facilitates the determination of varietal responses and yield losses

The International Institute of Tropical of Agriculture (IITA) established its East and Southern Africa Regional Research Centre (ESARC) in Uganda at the former Namulonge Agricultural and Animal Research Institute (NAARI), presently Namulonge Animal and Crops Research Institute (NaCRRI), to addres...


Ntawuruhunga, PheneasDixon, A.Kanju, E.Ssemakula, G.N.Okechukwu, R.U.Whyte, J.Obiero, H.Bigirimana, S.Gashaka, G.Lukombo, S.Mkamilo, G.S.Ndyetabula, I.Tata-Hangy, W.Otim Okello, F.Schofield, J.[Successful innovations and lessons learnt in cassava improvement and deployment by IITA in Eastern African Region]Successful innovations and lessons learnt in cassava improvement and deployment by IITA in Eastern African Region

Tumwegamire, SilverKanju, E.Legg, J.P.Shirima, R.Kombo, S.Mkamilo, G.S.Mtunda, K.Sichalwe, K.Kulembeka, H.P.Ndyetabura, I.Saleh, H.Kawuki, R.Alicai, TitusAdiga, G.Benesi, I.Mhone, A.Zacarias, A.Matsimbe, S.F.Munga, T.Ateka, E.Navangi, L.Maruthi, M.N.Mwatuni, F.Ngundo, G.Mwangangi, M.Mbugua, E.Ndunguru, J.Rajabu, C.Mark, D.[Exchanging and managing in-vitro elite germplasm to combat cassava brown streak disease (CBSD) and cassava mosaic disease (CMD) in Eastern and Southern Africa]Exchanging and managing in-vitro elite germplasm to combat cassava brown streak disease (CBSD) and cassava mosaic disease (CMD) in Eastern and Southern Africa

Genetic mapping of quantitative trait loci (QTL) for resistance to cassava brown streak disease (CBSD), cassava mosaic disease (CMD), and cassava green mite (CGM) was performed using an F1 cross developed between the Tanzanian landrace, Kiroba, and a breeding line, AR37-80. The population was eva...


Nzuki, I.Katari, M.S.Bredeson, J.V.Masumba, E.Kapinga, F.Salum, K.Mkamilo, G.S.Shah, TushaarLyons, J.B.Rokhsar, D.S.Rounsley, S.Myburg, A.A.Ferguson, Morag E.[QTL mapping for pest and disease resistance in cassava and coincidence with some introgression regions derived from M. glaziovii]QTL mapping for pest and disease resistance in cassava and coincidence with some introgression regions derived from M. glaziovii

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

Cassava brown streak disease (CBSD) is an economically important virus disease causing significant losses to cassava root yield and quality in east, central and southern Africa. Breeding for resistance in cassava requires an understanding of the underlying genetic control of CBSD resistance. Sour...


Kulembeka, H.P.Ferguson, M.Herselman, L.Kanju, E.Mkamilo, G.S.Masumba, E.Fregene, Martin A.Labuschagne, M.T.[Diallel analysis of field resistance to brown streak disease in cassava (Manihot esculenta Crantz) landraces from Tanzania]Diallel analysis of field resistance to brown streak disease in cassava (Manihot esculenta Crantz) landraces from Tanzania

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