Theses & Dissertations Open Access Molecular characterisation of Phytophthora infestans resistance genes in Solanum caripense and development of molecular markers for genetic mapping Joy Nakitandwe Genetic linkage maps were constructed for two parental genotypes of Solanum caripense. The maps consist of 240 molecular markers covering genetic distances of 1,080 cM (maternal) and 779 cM (paternal). These maps are a big milestone toward… RUF-35502 2007 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Row arrangement and nitrogen effects on growth yield of sorghum-legume intercrops Charles Owuor Sorghum [Sorghum bicolor L. Moech] production in eastern Uganda is largely done in intercrops with legumes, especially beans [Phaseolus vulgaris], groundnuts [Arachis hypogea], Pigeon pea [Cajanus cajan] and Cowpea [Vigna unguiculata L. Wa… RUF-35495 2005 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Relative susceptibility of sweet potato varieties and clones to major diseases in Central Uganda Christopher Oyeng Sweet potato is ranked as the third most important food staple in Uganda after cassava and banana. However, Alternaria leaf spot and stem blight and sweet potato virus disease (SPVD) are reportedly causing considerable yield reduction on t… RUF-35494 2002 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Pathogen variation and quantification of pythium species bean fields in Uganda Julius Mukalazi In Uganda, a major pathogen genus causing severe phaseolus bean root rot, particularly in South western, is Pythium. But there is no information on the different pythium species associated with bean root rots nor about impact of use of org… RUF-35492 2004 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Participatory evaluation of sweet potato varieties response to virus infection in central Kenya P.W. Muturi Sweet potato is an important food and cash crop grown by small holder farmers but its productivity is limited by sweet potato virus disease (SPVD). Farmers' lack of disease free vines and inadequate knowledge on identification and manage… RUF-35490 2008 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access The effect of barriers and mixed cropping on the epidemiology of Sweet potato virus disease (spvd) in central Uganda Ephrance. Tumuboine Field studies were conducted at Namulonge Agricultural and Animal Production Research Institute (NAARI) AND Makerere University Agricultural Research Institute Kabanyolo (MUARIK), both located in central Uganda. The studies aimed at: a) de… RUF-35489 2003 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Optimisation of multiplex PCR and in vitro techniques for detection and elimination of sweetpotato viruses R.J. Rukarwa In sub-Saharan Africa, sweetpotato (Impomoea batatas L.) production is greatly constrained by sweetpotato virus disease (SPVD) complex. This study was conducted to assess the incidence of viruses in healthy-looking sweetpotato in Uganda an… RUF-35487 2008 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Introgression of the anthracnose resistance genes into selected commercial bean varieties using molecular markers Pheonah. Nabukalu The inheritance of anthracnose resistance of the common bean (Phaseolus vulgaris L.) differential cultivar G 2333 to Colletotrichum lindemuthianum race 3 was studied in crosses of G2333 with the susceptible cultivars K132, K20D and GLP 585… RUF-35486 2008 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Characterization of southern African Colletotrichum lindemuthianum isolates using neutral and selective genetic markers P. Kachapulula Bean anthracnose (Colletotrichum lindemuthianum) is an important disease of common beans in Zambia, and in many tropical regions of the world. Epidemics may occur in cool, wet and humid regions of the world where susceptible cultivators a… RUF-35484 2010 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Pathogenicity of yam parasitic nemtodes in Uganda Joseph. Mudiope Yam (Dioscorea spp.) is a native tuber crop in Uganda that is considered a good candidate for overcoming food deficiencies in the famine stricken country. Despite its glory, nematodes have been a major hindrance to increased and sustainabl… RUF-35479 2005 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Diversity of Colletotrichum lindemuthianum and reaction of common bean germplasm to anthracnose disease J.B. Mwesigwa The production of common bean (Phaseolus vulgaris L.) in Uganda is largely constrained by bean anthracnose (Colletotrichum lindemuthianum (Sacc.and Magn.), among other diseases. This pathogen is capable of causing total crop loss on suscep… RUF-35477 2009 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Resistance to late blight and yield stability of SIFT and population B3 potato selections in Uganda Joy Nakitandwe The low average potato (solanum tuberosum L.) yields of only 7 Mt/ha and 13Mt/ha on farmers' fields in Uganda and Africa, respectively compared to 25 Mt/ha at Kalengyere Research station in Uganda have been attributed to, among other facto… RUF-35476 2003 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Field evaluation of some cowpea lines for resistance to yellow blister disease (Synclytrium dolichi (Cooke gaum) and rust (Uromyces phaseoli (pers.) Winter var. Vignae arth.) Gonahasa Zephania. Mukalere Two hundred lines of Vigna unguiculate (L) Walp. Were planted in three replicates and data on the relative incidence and severity of Synchytrium dolichi (cooke) Arth. On each line was collected at a 14 day interval, from day 40 to day 60 a… RUF-35467 1989 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access The adoption of the recommended methods of controlling African cassava mosaic virus disease: a case in Luweero district, Uganda Christopher Bukenya A lot of research has been done on African cassava mosaic virus (ACMV) and its control. Attention now is being turned on the adoption of the currently recommended ACMV control methods by farmers. The purpose of the study was to determine a… RUF-35466 1994 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Effect of intercropping maize (Zea mays) and potato (Solanum tuberosum L.) on yield and incidence of major potato pests Michael Ebwongu A study to investigate the effect of intercropping maize and potato on crop yield and the incidence of potato aphids and leafhoppers was conducted at Namulonge Agricultural and Animal Production Research Institute (NAARI), during the 1994 … RUF-35464 1996 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Brown spot disease of sugarcane caused by Cercospora longipes (butler) Mansoor. Simbwa-Bunnya The objective of this project was to investigate the biology, epidemiology and control of brown spot disease of sugarcane caused by Cercospora longipies so as to provide basic information which would enable cane breeders to recognize culti… RUF-35462 1976 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access The African cassava mosaic virus (ACMV) in South-West Uganda Moses Simwogerere A number of constraints exists in cassava production in Uganda. These include diseases, pests, weeds and socio-economic factors. The most serious disease problem being the African cassava mosaic disease (ACMV). This is not a new disease in… RUF-35460 1994 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Influence of infected corn residue as a source of primary inoculum of Cercospora zeae-maydis (Tehon and Daniels) the cause of gray leaf spot of corn R.X. Nilceu Nazareno The influence of infected corn residue on the epidemiology of gray leaf spot was studied in Ohio. The overwinter survival of the pathogen in infected tissue was evaluated in samples maintained on the soil surface, or buried 5 to 10 cm, du… RUF-35457 1992 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Disease of finger millet (Eleusine coracana L. gaertn.) in Uganda Ekwamu Adipala During the period 1976-1978 a study of finger millet diseases was undertaken at the university farm Kabanyolo. It was found that the most important diseases were blast, cylindrosporium leaf spot, tar spot, sclerotium wilt and bacterial bli… RUF-35455 1980 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Downy mildew (Sclerospora sorghi (kulk) weston & uppal of sorghum (Sorghum vulgaris, pers in Uganda Samson Lukare. Kwaje Earlier observations on introduced varieties showed that sorghum downy mildew (SDM) could be a destructive disease of sorghum in Uganda. Hence a study was undertaken to screen number of locally grown sorghums, and these introduced varietie… RUF-35454 1975 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Variation in pathogenicity of Exserohilum turicicum and resistance of ohs10 and inbred maize lines to the pathogen in Uganda Fred. Ssango Northern leaf light of maize, incited by the fungus Exserohilum turcicum (Pass) Leonard and Suggs, is a devastating disease of maize in all maize growing regions of Uganda. Variation in pathogen firness, level of resistance to E.turcicum o… RUF-35451 1994 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Host resistance and epidemiology of African cassava mosaic virus disease in different agroecologies of Uganda Blasto Akiiki Byabakama The African cassava mosaic disease (ACMD) is a major production constraint of cassava in Uganda. It is caused by a geminivirus (ACMV) that is transmitted by the whitefly vector (Bemisia tabaci) and disseminated by man through infected cutt… RUF-35442 1996 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Influence of planting date and spacing on the incidence and severity of angular leaf spot and rust disease of beans (Phaseolus vulgaris) S. Kiyingi-Ddamulira A 2X2X3 Factorial experiment was conducted at Kisozi Ranch, Gomba, during the 2nd rains of 1986 to determine the influence of two cultivators, two planting dates and three spacing’s on the incidence and severity of angular leaf spot (Phaeo… RUF-35438 1987 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Comparison of damage levels caused by Radopholus similis and Helicotylenchus multicinctus on bananas in Uganda Alex. Barekye Field surveys were done in 1997 and 1998 in Masaka district, Uganda, an area which is experiencing a decline in banana production, to assess level of damage caused by nematodes Radopholus similis and Helicotylenchus multicinctus at farm le… RUF-35436 1999 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Variability in late blight severity and pathogen population in Uganda Julius Mukalazi In Uganda, it is suspected that late blight (Phytophora infestants) is largely responsible for the low tuber yields of potato. However, there is no quantitative information on the variability in occurrence of late blight disease in the cou… RUF-35434 2000 CC BY 4.0 25 Sep 2015