Working Document Series Open Access Enhancing sweetpotato resistance to African weevils (Cylas puncticollis and Cylas brunneus) through transgenic breeding J. F. Kreuze · S.B. Mukasa · R.J. Rukarwa Sweetpotato production is greatly constrained by two weevil species; Cylas puncticollis and C. brunneus that cause yield losses of up to 80%. The use of resistant sweetpotato cultivars is the most sustainable strategy to control the weevil… RUF-34519 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Pyramiding Fusarium root rot resistance genes and validation of SSR PVBR87 in common bean P. Gibson · C. Mukankusi · J. Obala · P.R. Rubaihayo This study determined effectiveness of pyramided Fusarium root rot (FRR) resistance genes and validated association of SSR PVBR87 marker with FRR resistance in common bean. A double cross (DC) involving four resistance sources was used to … RUF-34514 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Combining ability and performance of maize hybrids under low nitrogen and drought stress G. Asea · R. Edema · A. Nyombayire The main objective of this study was to develop maize genotypes that perform well under drought and low-nitrogen stresses. Twelve parents were crossed in a half-diallel mating design. The resultant F1 hybrids were evaluated in four environ… RUF-34506 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Genetic diversity for resistance to larger grain borer in maize hybrids and open pollinated varieties in Kenya S. Mugo · S.W. Munyiri · J.K. Mwololo · P. Okori +1 more Modern maize varieties and hybrids possess improved agronomic performance and tolerance to abiotic and biotic stresses. However, breeding for the traits that contribute to resistance to post harvest pests have not been given due attention.… RUF-34498 2010 CC BY 4.0 25 Aug 2015
Working Document Series Open Access Genetics of resistance to bacterial leaf blight in rice germplasm in Uganda G. Asea · P. Gibson · J. Lamo · P.J. Mudingotto +3 more Bacterial leaf blight (BLB) caused by Xanthomonas oryzae pv. oryzae is one of the most serious diseases of rice worldwide. The disease causes significant losses mostly in lowland rice. This study is investigating the mode of gene action of… RUF-34489 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
Working Document Series Open Access Genetic effects of inbreeding on harvest index and root dry matter content in cassava M. Ferguson · L. Herselman · R.S. Kawuki · M.T. Labuschagne +1 more Inbreeding of predominantly cross-pollinating crops is expected to result in progeny with reduced fitness and or improved phenotypes. The effects of inbreeding in cassava are not well quantified. Accordingly, in this exploratory study, S1 … RUF-34468 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Assessing the efficacy of pyramided genes in conferring dual and durable resistance to bean anthracnose and root rot M. Kiryowa · C. Mukankusi · S. Nkalubo · H. Talwana +1 more Bean anthracnose (Colletotricum lindemuthianum) and root rots are important diseases of beans in Uganda. The coexistence of both diseases on the crop in farmers’ fields and the ability of these pathogens to overcome incorporated resistance… RUF-34465 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Characterization of root development in a segregating diploid banana population as a searching basis for resistance to Radopholus similis M. Inamahoro · J. Lorenzen · H. Talwana Plant parasitic nematodes are recognised as the most serious pests of bananas wherever they are grown. Nematodes feed, multiply and migrate inside banana roots causing necrotic and reduced root systems. Genetic resistance to nematodes prov… RUF-34444 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Exploiting genome synteny in breeding for Protein Quality and Waxiness in maize and sorghum G. Asea · A. BomBom · R. Edema · P. Gibson +2 more Maize and sorghum are important staple cereals in sub-Saharan Africa. Nonetheless, their utility and remunerability is compromised by a low available lysine content and digestiblitiy of both protein and starch in the endosperm. Over the de… RUF-34425 2010 CC BY 4.0 21 Aug 2015
Working Document Series Open Access Evaluation of Metarhizium anisopliae for integrated management of termites on maize and Grevillea robusta in Uganda and Kenya H. Agaba · L. Gohole · N.K. Maniania · P. Nyeko +1 more Termites are a major constraint to subsistence agriculture, causing yield losses up to 100%. Recent studies have demonstrated the efficacy of the fungus, Metarhizium anisopliae for controlling termites, but little is yet known about sustai… RUF-34376 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Response of sorghum genotypes to indigenous and exotic stem borers in Kenya P. Gibson · S. Kyamanywa · M. Mgonja · P.W. Muturi +1 more Field trials are being conduced in Kenya to identify sources of resistance, especially multiple resistance to Buseola fusca and Chilo partellus, two devastating pests of maize in sub-Saharan Africa. Genotypes ICSB 464, ICSB 467, Macia, IES… RUF-34367 2010 CC BY 4.0 20 Aug 2015
Working Document Series Open Access Deploying interactive on-line networking platform for improving quality and relevance of African University graduates to labour markets B.O. Bebe · J. Kihoro · N. Kimbugwe · D. Nodumo +1 more African Higher Education Institutions (HEIs) face criticisms of producing low performing graduates unable to drive the agricultural innovation processes to revitalise agriculture, boost economic recovery, and accelerate achievement of the … RUF-34225 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access Using Wikis to enhance interactivity in teaching and learning: An engagement with Gilly Salmon’s Model D. Sebbowa The teaching and learning process is becoming a big challenge at Higher Education Institutions in Sub-Saharan Africa. This is mainly due to the challenges created by the liberalization of University Education and the implied surge in stude… RUF-34170 2014 CC BY 4.0 14 Aug 2015
Working Document Series Open Access Identifying conditions for phytase enzyme adaption in African catfish feeds H. Kasigwa · C. Kemigabo · C. Masembe · D. Sikawa This research was conducted to establish and streamline conditions and optimum amount of phytase enzyme required for its adoption for improved digestibility of plant based catfish feeds. This started with analysis of pH along African catfi… RUF-34149 2014 CC BY 4.0 13 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 Combining ability and gene action in a diallel cross of eight sesame genotypes P. Gibson · W Okello-Anyanga · P.R. Rubaihayo · P. Tukamuhabwa An 8 x 8 diallel cross mating design with the parents and F1s excluding the reciprocals was used to estimate gene action and combining ability analysis for yield and some yield components in sesame (Sesamum indicum). These genotypes were e… RUF-34073 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Inheritance of resistance to Brown Spot Disease in upland rice in Uganda J. Lamo · M.Marco Mwendo · M. Ochwo-Ssemakula Low yields in rice (Oryza sativa) are attributed by many factors including diseases which represent one of the main constraints. The Brown spot disease (caused by Helminthosporium oryzae) in most rice growing areas cause’s considerable los… RUF-34048 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 Efficiency and profitability of water saving technologies on irrigated rice in South-Kivu province, DR Congo A. Katusabe Amoding · M.G.J. Majaliwa · I. Muhindo · B. Nkuba +1 more Water scarcity is reducing both irrigated areas and irrigated rice yield in the South-Kivu province, DR Congo, leading to increased poverty and food insecurity, at both provincial and national level. This situation is likely to be worsened… RUF-33923 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Characterisation of historical and projected climate of rice prone areas in South-Kivu province, DRC A. Katusabe Amoding · J.G.M. Majaliwa · I. Muhindo · B. Nkuba +1 more The nature of climate variability in South-Kivu is not yet well understood and how the impacts of climate variability affect agriculture, especially rice production has not been well documented. This study aimed therefore at characterizing… RUF-33921 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Land use change effect on carbon stocks in western Uganda J.G.M. Majaliwa · H. Makuma-Massa · D. Mfutumikiza · C. Nandozi +1 more This study was conducted in Fortportal Municipality, Kabarole District of Western Uganda to find out the effect of land use change on carbon stocks between 1973 and 2000. Landsat series of 1973, 1986 and 2000 of Fortportal municipality wer… RUF-33909 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Constraints and opportunities for sustainable partnership between Universities, small-holder farming communities and development agencies: The case of the WATERCAP Project in Uganda F. Birungi Kyazze · P. Kibwika · N. Kiggundu Efforts were undertaken through the auspices of a collaborative project “Strengthening Universities Capacities for Mitigating Climate Induced Change Water Vulnerability – WATERCAP” to address a key challenge of water scarcity in dryland ar… RUF-33884 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Climate warming and range shifts of four medicinal plants in Africa: Insights from predictive bioclimatic models B.E Isabirye · N.C. Mweya · I. Rwomushana · J.R.S. Tabuti +1 more Medicinal plant species constitute an accessible and affordable health-care alternative, and are an important source of livelihood for indigenous and rural populations. However, over harvesting and habitat losses due to land use and fragme… RUF-33880 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Effect of entrepreneurship training of smallholder farmers on soybean productivity and household incomes in Lango Sub-region, Northern Uganda P. Ebanyat · W. Ekere · L. Rokani · P. Walekwa The soybean value chain has a potential to increase smallholder farmers’ incomes and has significant growth potential yet soybean farming households lack services such as education which is tailored to address the real challenges they face… RUF-33858 2014 CC BY 4.0 10 Aug 2015
