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Cassava production in the central, southern and eastern parts of Africa is under threat by cassava brown streak virus (CBSV). Yield losses of up to 100% occur in cases of severe infections of edible roots. Easy illegal movement of planting materials across African countries, and long-range moveme...


Ozimati, A.Kawuki, R.Esuma, W.Kayondo, I.S.Wolfe, M.Lozano, R.Rabbi, Ismail Y.Kulakow, P.Jannink, Jean-Luc[Training population optimization for prediction of cassava brown streak disease resistance in west African clones]Training population optimization for prediction of cassava brown streak disease resistance in west African clones

Introgression of alleles from wild relatives has often been adaptive in plant breeding. However, the significance of historical hybridization events in modern breeding is often not clear. Cassava (Manihot esculenta) is among the most important staple foods in the world, sustaining hundreds of mil...


Wolfe, M.D.Bauchet, G.J.Chan, A.W.Lozano, R.Ramu, P.Egesi, Chiedozie N.Kawuki, R.Kulakow, P.Rabbi, Ismail Y.Jannink, Jean-Luc[Historical introgressions from a wild relative of modern cassava improved important traits and may be under balancing selection]Historical introgressions from a wild relative of modern cassava improved important traits and may be under balancing selection

Here, we report a method to clean cassava plants from viral infections that cause cassava mosaic and brown streak diseases in Africa. Infected plants of resistant or tolerant varieties from Malawi, Mozambique, Kenya, Tanzania and Uganda were cleaned in the UK using a combination of tissue culture...


Maruthi, M.N.Whitfield, E.C.Otti, G.Tumwegamire, SilverKanju, E.Legg, J.P.Mkamilo, G.Kawuki, R.Benesi, I.Zacarias, A.Munga, T.Mwatuni, F.Mbugua, E.[A method for generating virus-free cassava plants to combat viral disease epidemics in Africa]A method for generating virus-free cassava plants to combat viral disease epidemics in Africa

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

Cassava (Manihot esculenta Crantz) is an important staple food crop in Africa and South America; however, ubiquitous deleterious mutations may severely decrease its fitness. To evaluate these deleterious mutations, we constructed a cassava haplotype map through deep sequencing 241 diverse accessi...


Ramu, P.Esuma, W.Kawuki, R.Rabbi, Ismail Y.Egesi, Chiedozie N.Bredeson, J.V.Bart, R.S.Verma, J.Buckler, E.S.Lu, F[Cassava haplotype map highlights fixation of deleterious mutations during clonal propagation]Cassava haplotype map highlights fixation of deleterious mutations during clonal propagation

The increasing demand for cassava (Manihot esculenta Crantz) for food and non-food uses in the tropics necessitates that its breeding for increased root productivity be made faster. The characteristic long breeding cycle and heterozygous nature of this crop, pose a major obstacle to its rapid gen...


Baguma, J.K.Mukasa, S.B.Kawuki, R.Tugume, A.K.Buttibwa, M.Nalela, P.Eyokia, M.Oshaba, B.Ceballos, HernanLentini, Z.Baguma, Y.[Fruit set and plant regeneration in cassava following interspecific pollination with castor bean]Fruit set and plant regeneration in cassava following interspecific pollination with castor bean

Cassava (Manihot esculenta Crantz) is an important security crop that faces severe yield loses due to cassava brown streak disease (CBSD). Motivated by the slow progress of conventional breeding, genetic improvement of cassava is undergoing rapid change due to the implementation of quantitative t...


Kayondo, S.I.Carpio, D.P. delLozano, R.Ozimati, A.A.Wolfe, M.Baguma, Yona K.Gracen, V.Offei, S.Ferguson, M.Kawuki, R.Jannink, Jean-Luc[Genome-wide association mapping and genomic prediction for CBSD resistance in Manihot esculenta]Genome-wide association mapping and genomic prediction for CBSD resistance in Manihot esculenta

Background Production of cassava (Manihot esculenta Crantz), a food security crop in sub-Saharan Africa, is threatened by the spread of cassava brown streak disease (CBSD) which manifests in part as a corky necrosis in the storage root. It is caused by either of two virus species, Cassava brown s...


Kaweesi, T.Kawuki, R.Kyaligonza, V.Baguma, Yona K.Tusiime, GeoffreyFerguson, M.[Field evaluation of selected cassava genotypes for cassava brown streak disease based on symptom expression and virus load]Field evaluation of selected cassava genotypes for cassava brown streak disease based on symptom expression and virus load

Background: Genomic selection (GS) promises to improve accuracy in estimating breeding values and genetic gain for quantitative traits compared to traditional breeding methods. Its reliance on high-throughput genome-wide markers and statistical complexity, however, is a serious challenge in data ...


Tecle, I.Y.Edwards, J.D.Menda, N.Egesi, Chiedozie N.Rabbi, Ismail Y.Kulakow, P.A.Kawuki, R.Jannink, Jean-LucMueller, L.[solGS: a webbased tool for genomic selection]solGS: a webbased tool for genomic selection

Cassava brown streak disease (CBSD) is the most devastating disease of cassava in southern, eastern and cntral Africa, and can cause up to 100% yield loss. Limited progress has been made in breeding for host plant resistance due to limited knowledge on the resistance variability to the disease....


Pariyo, A.Baguma, Yona K.Alicai, TitusKawuki, R.Kanju, E.Bua, A.Omongo, C.A.Gibson, P.J.Osiru, D.Mpairwe, D.R.Tukamuhabwa, Phinehas[Stability of resistance to cassava brown streak disease in major agroecologies of Uganda]Stability of resistance to cassava brown streak disease in major agroecologies of Uganda

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