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Cassava brown streak (CBSD) and mosaic (CMD) diseases are the major cassava production constraints in the East African region. Efforts to control these diseases were initiated in northeastern Tanganyika in the 1930’s using conventional breeding methods. Despite these efforts, CBSD is spreading, t...


Masumba, E.Merwe, A. van derMyburg, Z.Kapinga, F.Kasele, S.Kulembeka, H.P.Mkamilo, G.S.Rounsley, S.Prochnik, S.Kanju, E.Ferguson, M.[Mapping of QTL associated with resistance to Cassava Brown Streak and Mosaic Diseases in outcrossing cassava cultivars locally cultivated in Tanzania]Mapping of QTL associated with resistance to Cassava Brown Streak and Mosaic Diseases in outcrossing cassava cultivars locally cultivated in Tanzania

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

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
Masiga, C.W.Mugoya, C.Ali, R.Mohamed, A.Osama, S.Ngugi, A.Kiambi, D.Villiers, S. deNgugi, K.Niyibigira, T.Tesfamichel, A.Machuka, J.Oduor, R.Runo, S.Adam, R.Matheka, J.Bedada, L.Seth, M.Kuria, E.Ndirigwe, J.Ndolo, P.Muthamia, Z.Nasona, B.Ntimpirangeza, M.Tsegaye, E.Desterio, N.Ogero, K.Mburugu, G.Mukasa, S.Kim, D.J.Ferguson, M.Mneney, E.Nsubuga, E.Rishurimuhirwa, T.Byamugisha, D.Wamatsembe, I.Nzuki, I.Mkamilo, G.S.Kimata, B.Ketema, S.[Enhanced utilization of biotechnology research and development innovations in Eastern and Central Africa for agroecological intensification]Enhanced utilization of biotechnology research and development innovations in Eastern and Central Africa for agroecological intensification

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

Tanzania is the fifth largest producer of cassava in Africa, the eighth largest producer in the world with an estimated average yields of about 10.4 t/ha, which is far below the potential yield of the crop. The low yield is caused by a number of factors including susceptibility of commonly grown ...


Kullaya, A.Mkamilo, G.S.Mtunda, K.Kulembeka, H.P.Masumba, E.Marandu, E.Kanju, E.Ferguson, M.Ospina, C.Marin, E.J.Santos, L.G.Barrera, E.Morante, N.Ceballos, H.Jarvis, A.Tohme, Joseph M.Fregene, Martin A.[Application of molecular marker-assisted selection in breeding for improved farmer/market preferred cassava varieties in Tanzania]Application of molecular marker-assisted selection in breeding for improved farmer/market preferred cassava varieties in Tanzania

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