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
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
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
Working Document Series Open Access Seed-borne viruses detected on farm-retained seeds from smallholder farmers in Zimbabwe, Burkina Faso, Bangladesh and Vietnam W. Manyangarirwa · C.N. Mortensen · J. Sibiya The smallholder farming sector in much of the developing world relies on the use of farm-retained seed. The availability of good quality disease free seed is important in enhancing food security but seed-borne viruses can be a major proble… RUF-35119 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Pig lymphnode lesions and an immunohistochemical analysis on selected abattoir-derived lymphnode samples for the presence of African swine fever virus L. Ojok · P. Ssajjakambwe In order to gain an insight into the pig lymphnode lesions and African swine fever antigen occurrence, this study was designed based on an abattoir survey. The study was carried out at the Nalukolongo abattoir located at the outskirts of K… RUF-34967 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Evaluation of Chilli pepper genotypes for yield and reaction to field diseases V. Nsabiyera · M. Ochwo-Ssemakula · P. Sseruwagi The performance of 25 chilli (16 exotic and 9 local) genotypes for yield and associated traits and reaction to field diseases was assessed at the National Crops Resources Research Institute (NaCRRI)- Namulonge from June-November, 2009. Tot… RUF-34753 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Understanding the persistence of foot-and-mouth disease in Uganda: The case of western Uganda A.R. Ademun Okurut · P. Isubikalu · C. Masembe · V. Muwanika Livestock, one of the important agricultural sectors in the lives of millions of people world over, is greatly affected by epidemics of Trans-boundary animal diseases (TAD). Foot-and-mouth disease (FMD) is one of the most important TAD tha… RUF-34739 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Participatory control of Newcastle disease in village poultry using thermostable vaccines in Uganda D.K. Byarugaba · J.L. Nakavuma · A. State Village poultry is one of those abundant assets for the rural poor in Uganda that could be utilized to eradicate poverty in the country since poultry farming addresses the needs of the underprivileged in society especially women and childr… RUF-34717 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Testing the efficacy of artificial microRNAs to control cassava brown streak disease T. Alicai · Y. Baguma · Claude M. Fauquet · Settumba B. Mukasa +4 more Cassava brown streak disease (CBSD) is a major constraint to cassava production in East Africa. It is caused by at least two single stranded (+) RNA viruses (CBSV and CBSUV). To date, only a few genetic sources of resistance to the disease… RUF-34597 2010 CC BY 4.0 8 Sep 2015
Working Document Series Open Access Tomato curl stunt virus management strategies for all year round tomato production in Mozambique C. Ecole · B. Francisco · A. Mondjana · B. Nhaulaho +1 more Tomato is the most popular vegetable in the home garden all over the World as well as in Mozambique. Tomato production in Mozambique has been recently affected by Tomato curl stunt virus (ToCSV) disease, a devastating viral disease that is… RUF-34569 2010 CC BY 4.0 7 Sep 2015
Working Document Series Open Access Detection and screening of yellow and sweet calabash passion fruit for resistance to woodiness disease in Uganda G. Ddamulira · R. Edema · S. Musaana · M.K.N. Ochwo-Ssemakula +1 more In Uganda passion fruit woodiness disease (PWD) damages passion fruit, causing yield losses of 60-100%. This study aimed at detecting and screening yellow and sweet calabash passion fruit for resistance to PWD. Four viruses, namely, Cowpea… RUF-34552 2010 CC BY 4.0 4 Sep 2015
Working Document Series Open Access The reaction of maize genotypes to maize streak virus disease in central Uganda B. Bua · B. M. Chelimo Documented evidence indicates that maize is production is constrained by a number of a biotic and biotic stresses including Maize streak virus disease (MSVD). Therefore, a study was conducted to assess the reaction of 3 maize genotypes to … RUF-34550 2010 CC BY 4.0 4 Sep 2015
Working Document Series Open Access Heterosis and combining abilities for multiple resistance to Turcicum leaf blight and maize streak virus G. Asea · Y. Baguma · P. Okori · L.A. Opio Fifty two single crosses were evaluated for resistance to Turcicum Leaf blight (TLB) and Maize Streak Virus (MSV) resistance across several locations in Uganda in 2009. The crosses were grown in 1-row plots with 2 replications. Subsequentl… RUF-34520 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Inheritance of resistance to rice yellow mottle virus disease in selected rice cultivars in Uganda G. Asea · R. Edema · J. Lamo · M.L. Mogga Rice yellow mottle sobemovirus (RYMV) has been identified as the most destructive viral disease in lowland and upland rice. In this study, the mode of inheritance of resistance to a prevalent RYMV strain in Uganda was determined for five r… RUF-34477 2010 CC BY 4.0 21 Aug 2015
Policy Briefs Open Access Research briefs for the Third Graduate Research Grants Call RUF-34332 2015 CC BY 4.0 18 Aug 2015
Working Document Series Open Access Pesticide use for management of aphids and viral diseases in passion fruit J. Karungi · M. Ochwo-Ssemakula · A. Olango · P. Sseruwagi Passionfruit viral pathogens limit passionfruit production and are non-persistently transmitted by aphid vectors, the diseases can reduce orchard life span to only a year resulting to 100% yield loss. 50-100% loss due to biotic stresses ha… RUF-34086 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Aphid transmission and alternate hosts of Passiflora chlorotic mottle virus in Uganda J. Karungi · M.N. Nantale · M. Ochwo-Ssemakula · P. Sseruwagi This research established aphid vectors and alternate hosts of Passiflora chlorotic mottle virus in Uganda. Aphids and host plants were collected from farmers’ fields in major passion fruit growing districts in Uganda. Transmission tests w… RUF-34058 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Row covers for management of insect-vectored viral diseases of tomato in Uganda H. Jurua · J. Karungi · M.K.N. Ochwo-Ssemakula · P. Sseruwagi Tomato production in Uganda is constrained by among others use of low quality planting materials, non-availability of inputs, sub-optimum agronomic practices, pests and diseases. Studies have shown that viral diseases have quickly become a… RUF-34016 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Developing ecological management strategies for virus diseases of tomato in Uganda S. Ahabwe · H. Jurua · J. Karungi · M.K.N. Ochwo-Ssemakula +1 more Tomato (Lycoperscum esculentum) is one of the priority crops considered to drive development and food security in Uganda. However, severe levels of viral diseases have been found to constrain productivity in Uganda: A survey found mean inc… RUF-33944 2014 CC BY 4.0 11 Aug 2015
Journal articles Open Access Efficient transmission of cassava brown streak disease viral pathogens by chip bud grafting Titus Alicai · Getu Beyene · Claude M. Fauquet · Nigel J. Taylor +2 more Techniques to study plant viral diseases under controlled growth conditions are required to fully understand their biology and investigate host resistance. Cassava brown streak disease (CBSD) presents a major threat to cassava production i… RUF-33703 2013 CC BY 4.0 22 May 2015
Working Document Series Open Access Unraveling the Vector Transmission Biology of the Ipomovirus Sweet Potato Mild Mottle Virus (Potyviridae) in Sweetpotato (Lam.) Settumba B. Mukasa · C.A. Omongo · A.K. Tugume This study undertakes to unravel vector transmission biology of Sweet potato mild mottle virus (SPMMV), a type member of the genus Ipomovirus in the family Potyviridae. This study will be conducted in four selected districts of Uganda for … RUF-32994 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Integrated Management of Aphid Vectors and Associated Viral Diseases of Passion Fruit in Uganda J. Karungi · M. Nantale · M. Ochwo-Ssemakula · A. Olango +1 more This study is intended to develop management strategies for aphid vectors and viral diseases on passion fruit in Uganda. In the absence of resistant varieties, the management techniques evaluated here will provide much needed information f… RUF-32977 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Developing Ecological Management Strategies for the Aphid Vectored Cucumber Mosaic Virus on Tomato in Uganda S. Ahabwe · H. Jurua · J. Karungi · M.K.N. Ochwo-Ssemakula +1 more This study aims to develop safe and affordable management strategies for cucumber mosaic virus (CMV) on tomato and the aphids that vector the disease as a strategy to rejuvenate and increase yields of the crop at the small scale levels. Th… RUF-32933 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Maize streak virus (MSV) diversity in Uganda and the assessment of gene silencing as a tool for development of resistance to MSV B.E. Owor · D.M. Shepherd · J.A. Thompson Through an extensive survey conducted in all maize-growing regions in Uganda as well as the application of gene silencing to develop a novel disease control option for maize streak disease, the diversity of Maize streak virus (MSV) in diff… RUF-32561 2012 CC BY 4.0 17 May 2014