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Robert O.M. Mwanga, Gerald Kyalo, Gorrettie N. Ssemakula, Charles Niringiye, Benard Yada, Milton A. Otema, Joweria Namakula, Agnes Alajo, Benjamin Kigozi, Rose N.M. Makumbi, Anna-Marie Ball, Wolfgang J. Grüneberg, Jan W. Low and G. Craig Yencho

field resistance to sweetpotato virus disease (SPVD) and alternaria bataticola blight. The two cultivars were bred targeting development of vitamin A–rich (biofortified) orange-fleshed sweetpotato (OFSP). OFSP have been shown to be both effective for

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Benard Yada, Phinehas Tukamuhabwa, Arthur Villordon, Agnes Alajo and Robert O.M. Mwanga

) ( Gibson et al., 1998 ), Alternaria bataticola blight, and African sweetpotato weevils, Cylas puncticollis Boheman and Cylas brunneus Fabricius. Farmers are also known to abandon poor-performing traditional cultivars in favor of newly developed ones

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Damien Shumbusha, Jean Ndirigwe, Lydia Kankundiye, Anastasie Musabyemungu, Daphrose Gahakwa, Phanuel S. Ndayemeye and Robert O.M. Mwanga

field resistance to sweetpotato virus disease (SPVD) and Alternaria bataticola blight and yield higher (8.3 to 22.8 t·ha −1 ) than the average storage root yield of 6.0 t·ha −1 [ FAOSTAT, 2011 ; International Potato Center (CIP), 1999 ]. Two of the

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Robert O.M. Mwanga, Benson Odongo, Charles Niringiye, Agnes Alajo, Benjamin Kigozi, Rose Makumbi, Esther Lugwana, Joweria Namukula, Isaac Mpembe, Regina Kapinga, Berga Lemaga, James Nsumba, Silver Tumwegamire and Craig G. Yencho

field resistance to sweetpotato virus disease (SPVD) and Alternaria bataticola blight and high storage root yields compared with the average national storage root yield of 4.0 t·ha −1 ( International Potato Center, 1999 ). The release of these five

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Robert O.M. Mwanga, Charles Niringiye, Agnes Alajo, Benjamin Kigozi, Joweria Namukula, Isaac Mpembe, Silver Tumwegamire, Richard W. Gibson and G. Craig Yencho

good to excellent consumer acceptance, depending on growth conditions. The cultivar has moderate to high field resistance to sweetpotato virus disease (SPVD) and Alternaria bataticola blight. Both diseases can be devastating, causing high storage root