Working Document Series Open Access Enhancing climate resilience of cropping systems: A synopsis of research activities by crop scientists at University of Nairobi G.N. Chemining’wa · O.M. Kitonyo Climate change is associated with rising temperatures, elevated carbon dioxide, variable rainfall patterns and frequent droughts, reduced soil carbon and mineral nutrients, and increased influx of pests and diseases, in addition to adverse… RUF-39096 2018 CC BY 4.0 1 Mar 2021
Working Document Series Open Access Enhancing climate resilience of cropping systems: A synopsis of research activities by crop scientists at University of Nairobi G. Chemining’wa · O. M. Kitonyo Climate change is associated with rising temperatures, elevated carbon dioxide, variable rainfall patterns and frequent droughts, reduced soil carbon and mineral nutrients, and increased influx of pests and diseases, in addition to adverse… RUF-38906 2018 CC BY 4.0 16 Dec 2020
Journal articles Open Access Evaluation of Ugandan cowpea germplasm for yield and resistance to scab disease E. Afutu · M. Biruma · K.E. Mohammed · T.L. Odong +1 more Aims: This study was conducted to identify cowpea (Vigna unguiculata) cultivars with high yield potential and resistance to scab disease caused by Sphaceloma sp. in Uganda. 100 cowpea genotypes were evaluated at two locations (Kabanyolo an… RUF-35935 2016 CC BY 4.0 3 May 2016
Journal articles Open Access Prevalence and severity of sorghum leaf blight in the sorghum growing areas of Central Sudan Nafisa Elmahi Ahmed · Abdelbagi Mukhtar Ali · Ibrahim Hassabelrasoul Babiker · Mayada Mamoun Beshir +2 more Turcicum leaf blight, though a common sorghum (Sorghum bicolor L.) disease in Sudan, there is little documented information on its occurrence and distribution in the country. Accordingly, a survey was commenced in 2014 with the objectives … RUF-35928 2015 CC BY 4.0 31 Mar 2016
Journal articles Open Access Simple sequence repeat markers associated with anthracnose and Turcicum leaf blight resistance in sorghum N.E. Ahmed · A.M. Ali · M.M. Beshir · P. Okori +1 more Deployment of host resistance remains the most cost effective strategy for management of foliar and grain diseases, especially for resource constrained farmers. There is paucity of information on dual resistance in sorghum to both diseases… RUF-35921 2016 CC BY 4.0 31 Mar 2016
Project reports Open Access Developing a community-based cassava seed system for increased productivity and market linkages in Uganda Settumba Mukasa The Cassava Community Action Research Project (CARP) is aimed at enhancing sustainable production, processing and marketing of cassava and cassava products among the farming communities. Specifically, the project is focusing on quality cas… RUF-35892 2015 CC BY 4.0 3 Feb 2016
Journal articles Open Access Resistance breeding strategy for Stenocarpella maydis and Fusarium graminearum cob rots in tropical maize G. Asea · Paul T. Gibson · P. Okori · L. Tembo Maize cob rot caused by Fusarium graminearum and Stenocarpella maydis affects grain yield and quality. The objective of this study was to investigate the appropriateness of multiple infection as a selection and breeding strategy for multip… RUF-35889 2012 CC BY 4.0 3 Feb 2016
Journal articles Open Access Quantitative trait loci for resistance to Stenocarpella maydis and Fusarium graminearum cob rots in tropical maize G. Asea · P. Gibson · P. Okori · L. Tembo Stenocarpella maydis and Fusarium graminearum are the predominant species causing maize (Zea mays L.) cob rots in the tropics and sub-Saharan Africa. Developing varieties resistant to cob rots is an alternative strategy that is practical a… RUF-35888 2014 CC BY 4.0 3 Feb 2016
Journal articles Open Access Assessment of Uganda’s farmers’ perception and knowledge on maize cob rots towards breeding for resistance G. Asea · P. Gibson · P. Okori · L. Tembo Stenocarpella maydis and Fusarium graminearum maize cob rots are two most devastating cob rots in maize which causes yield losses and reduce grain quality as a result of mycotoxins which is produced from this fungus. Developing varieties r… RUF-35878 2016 CC BY 4.0 3 Feb 2016
Journal articles Open Access RNAi-mediated resistance to diverse isolates belonging to two virus species involved in Cassava brown streak disease Titus Alicai · Basavaraj Bagewadi · Claude M. Fauquet · J. F. Kreuze +7 more Cassava brown streak disease (CBSD) is emerging as one of the most important viral diseases of cassava (Manihotesculenta) and is considered today as the biggest threat to cassava cultivation in East Africa. The disease is caused by isolate… RUF-35871 2010 CC BY 4.0 3 Feb 2016
Theses & Dissertations Open Access Cost effectiveness of and willingness to pay for vaccination of village free-range poultry against Newcastle disease in Iganga district E.G. Mbabazi Newcastle disease is the major constraint to village poultry production in the world but more so in developing countries. Eradication of this disease is unlikely but it can be effectively controlled through vaccination. This study was cond… RUF-35860 2015 CC BY 4.0 29 Jan 2016
Theses & Dissertations Open Access Enhancing genetic resistance to soybean rust disease M. Maphosa Soybean (Glycine max L.) is increasingly playing an important nutritive role in the food and feed industry in most countries. However, the crop is currently threatened by soybean rust disease (Phakopsora pachyrhizi). The rapid spread of so… RUF-35859 2013 CC BY 4.0 29 Jan 2016
Journal articles Open Access Resistance breeding strategy for Stenocarpella maydis and Fusarium graminearum cob rots in tropical maize G. Asea · Paul T. Gibson · Patrick Okori · L. Tembo Maize cob rot caused by Fusarium graminearum and Stenocarpella maydis affects grain yield and quality. The objective of this study was to investigate the appropriateness of multiple infection as a selection and breeding strategy for multip… RUF-35626 2012 CC BY 4.0 7 Oct 2015
Journal articles Open Access In vitro anthelmintic potential of Vernonia amygdalina and Secamone africana on gastrointestinal nematodes James Wangai Kimenju · James Mucunu Mbaria · Agnes Sarah Nalule In-vitro studies were conducted to determine the anthelmintic activity of ethanolic and water extracts of Vernonia amygdalina and Secamone africana used by agro-pastoralists in semi-arid land Uganda. The plant materials were collected from… RUF-35603 2013 CC BY 4.0 7 Oct 2015
Journal articles Open Access Reaction of Waxy and Opaque-2 Inbreds and their Derived Progenies to Multiple Foliar Diseases of Maize in Uganda A. BomBom · P. Gibson · P. Okori · P. Rubaihayo Specialty maize lines possessing important endosperm genes waxy and/or opaque-2 enhance processing and nutritional qualities of the grain. However, production and utilization of specialty maize varieties for food, feeds and various industr… RUF-35576 2012 CC BY 4.0 6 Oct 2015
Journal articles Open Access The migration of chemical contaminants from polyethylene bags into food during cooking N. Banadda · J. Kigozi · L. Musoke · C. Sempala Cooking food in polyethylene bags has of late substituted banana leaves in Uganda. However, such a practice is risky as chemical contaminants may migrate from polyethylene bags into food during cooking causing health complications. Therefo… RUF-35575 2015 CC BY 4.0 2 Oct 2015
Theses & Dissertations Open Access Soybean genetic diversity and resistance to soybean rust disease Godfrey. Ssendege This study was conducted to enhance breeding for resistance to soybean rust, the greatest obstacle to soybean production in Uganda. To undertake this assignment, 91 exotic soybean accessions and 39 advanced lines available from the Nationa… RUF-35538 2015 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Efficacy of manual seed sorting methods in reduction of transmission of rice and cowpea seed-borne diseases Geofrey. Kawube The production of rice and cowpea in Uganda is increasing in acreage rather than productivity. This is attributed to a number of factors, mainly seed-borne diseases. The farmers in Uganda mainly use farm saved seeds for planting. These see… RUF-35511 2005 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Species abundance, composition and colonization behaviour of Malaria vectors in a semi-arid ecosystem of Baringo District, Kenya Okello Samuel Arum Malaria is one of the public health problems facing people in many parts of Kenya including semi-arid areas. It is caused by an infectious bite of female Anopheles mosquitoes. To effectively implement malaria control program, the knowledge… RUF-35509 2011 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Yield stability analysis of late blight resistant potato selections J.M.K. Mulema Potato is an important source of food and income in the highlands of East Africa. Identification of superior genotypes for improved agronomic characteristics will enhance tuber yield. Seven promising clones from population B potato selecti… RUF-35498 2007 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 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 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 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 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