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Through a combination of conventional and new approaches, root and tuber improvement programs have developed improved cassava varieties that combine multiple pest and disease resistances with superior postharvest qualities, and improve the yield potential by more than 50%. This new generation of ...


Okechukwu, R.U.James, B.Ntawuruhunga, PheneasMahungu, N.M.Boahen, S.Kanju, E.Osei-Sarfoh, A.[Distribution and potential impact of cassava variety spread by UPoCA]Distribution and potential impact of cassava variety spread by UPoCA

Cassava brown streak disease (CBSD) is the most important virus disease of cassava and a major food security threat in Africa. Yearly economic losses of up to $100 million USD have been attributed to CBSD. The lack of information on plant-virus interactions has restricted progress in breeding for...


Shirima, R.R.Maeda, D.GKanju, E.Ceasar, G.Tibazarwa, F.I.Legg, J.P.[Absolute quantification of cassava brown streak virus mRNA by real-time qPCR]Absolute quantification of cassava brown streak virus mRNA by real-time qPCR

Cassava is an important food staple in the coastal provinces of east and southern Africa. However, its production is adversely affected by cassava brown streak virus disease (CBSD). CBSD first reported from Amani, Tanzania in 1936, is now considered to be one of the major biotic constraints to ca...


Kanju, E.Mahungu, N.M.Whyte, J.Dixon, A.[Association between zigzag stem habit and resistance/tolerance to cassava brown streak virus disease]Association between zigzag stem habit and resistance/tolerance to cassava brown streak virus disease

Cassava Brown Streak Disease (CBSD) is a very serious disease in many cassava growing areas of the Eastern zone of Tanzania. It is mainly confined to the lower elevations, mainly along the coast yield losses of up to 74% occur as a result of CBSD infection in some part of the Eastern zone. In the...


Muhanna, M.Raya, M.Hillrocks, R.J.Kanju, E.Kiozya, H.[On farm performance and farmers evaluation of cassava brown streak tolerant variety Kiroba in the Eastern zone of Tanzania]On farm performance and farmers evaluation of cassava brown streak tolerant variety Kiroba in the Eastern zone of Tanzania

Abass, A.B.Towo, E.Mukuka, I.Okechukwu, R.U.Ranaivoson, R.Tarawali, G.Kanju, E.[Growing cassava: a training manual from production to postharvest]Growing cassava: a training manual from production to postharvest

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

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

Parkes, E.Y.Kanju, E.Ntawuruhunga, PheneasMahungu, N.M.Aina, O.O.Moshood, B.Agbona, A.Akuwa, K.C.Bello, A.A.Olaosebikan, O.Ilona, P.Dixon, Alfred G.O.Kulakow, P.A.[Mainstreaming cassava biofortification in Africa: a contribution towards reducing malnutrition and hunger]Mainstreaming cassava biofortification in Africa: a contribution towards reducing malnutrition and hunger

Cassava brown streak disease (CBSD) has become a major constraint to cassava production in East and Central Africa. The identification of new sources of CBSD resistance is essential to deploy CBSD mitigation strategies, as the disease is progressing westwards to new geographical areas. A stringen...


Anjanappa, R.B.Mehta, D.Maruthi, M.N.Kanju, E.Gruissem, W.Vanderschuren, H.[Characterization of brown streak virus–resistant cassava]Characterization of brown streak virus–resistant cassava

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