Working Document Series Open Access Population of Aspergillus flavus and Fusarium verticillioides and contamination of maize with associated mycotoxins under push-pull cropping system in Siaya County, Western Kenya Z. R. Khan · C. A. O. Midega · J.W. Muthomi · N.K. Njeru +1 more Push-pull cropping system is a companion cropping system that effectively controls stemborers, fall armyworm and Striga weed, resulting in increased yield in cereal crops like maize and sorghum. Siaya County is one of the administrative lo… RUF-38742 2018 CC BY 4.0 15 Sep 2020
Working Document Series Open Access Contamination of indigenous chicken feeds with mycotoxigenic fungi and mycotoxins in Western Kenya L. Gohole · J.W. Munyasi · J.O. Ochuodho · E.O. Okello +5 more Feed safety, quality and supply are closely related, ranging from origin, handling, processing and storage measures. In addition, safety awareness can influence feed quality and quantity at different levels. In Western Kenya, mid plant bas… RUF-36383 2016 CC BY 4.0 21 Oct 2016
Working Document Series Open Access Cowpea resistance to scab fungus in Uganda: Can resistance be achieved using landraces as source of genes? E. Adipala · E. Afutu · M. Biruma · P.R. Rubaihayo Cowpea (Viga unguiculata L. Walp), the third most important legume food crop in Uganda is faced with a lot of challenges, paramount among them being scab disease. Mean yield is less than 400 kg/ha though the crop has a yield potential of 3… RUF-36238 2016 CC BY 4.0 18 Oct 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
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 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 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 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 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 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 Principal Component and Multiple Correspondence Analyses in Dimensionality Reduction: A Study on Aflatoxin Contamination of Peanuts in Kenya Henry Henry Mokua Momanyi In a study about the factors that contributed to the risk of aflatoxin contamination of peanuts in the Peanut CRSP project in Kenya, contingency table analysis (Pearson’s chi-square) was used to analyze a large mixed data set from a survey… RUF-35363 2013 CC BY 4.0 21 Sep 2015
Newsletters Open Access The RUFORUM monthly Newsletter August, 2010 RUF-35239 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Differential gene expression in nematode-susceptible and -tolerant East African highland bananas following inoculation with non-pathogenic Fusarium oxysporum endophytes D. Coyne · T. Dubois · P. Paparu · A. Viljoen Endophytic non-pathogenic Fusarium oxysporum isolates have been shown to reduce Radopholus similis populations through induced resistance. We used cDNA-AFLPs to identify genes induced in banana plants susceptible (cv Nabusa, AAA-EA) and to… RUF-35131 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Optimisation of rhizobium and arbuscular mycorrhizal fungi benefits for grain legume production in acid soils M. C. Rwakaikara-Silver · J.S. Tenywa · M. Uwizerwa This study was conducted to evaluate the symbiotic effectiveness of Rhizobium isolates using soybean and Phaseolus bean as host plants grown in acid soil (pH 4.5 and 5) from two southern districts of Rwanda. For this purpose, 10 and 33 iso… RUF-35120 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Development, promotion and dissemination of improved Fusarium wilt resistant pigeon pea lines in drought prone areas of Uganda T. Areke · R. Edema · C. Mukankusi · N. S. Said Pigeon Pea (Cajanus cajan) remains a relatively untapped food legume crop in Uganda and in many parts of Africa mainly due to lack of promotion and availability of varieties that meet producer and consumers needs. The crop is a rich source… RUF-35110 2010 CC BY 4.0 16 Sep 2015
Journal articles Open Access Epidemiology of Epizootic Ulceration Syndrome on fish of the Zambezi river basin: A case study for Zambia W. Mfitilodze · A. Nsonga · K.L. Samui · D. Sikawa Objective: An epidemiological investigation on the fish disease Epizootic Ulcerative Syndrome (EUS) was conducted from January to December 2011 in the Zambezi River System (ZRS) of Sesheke District in the Western Province of Zambia. The st… RUF-35063 2013 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Effect of land-use and climate change and variability on pollution loading in rivers of eastern Uganda and albertine rift P. Isubikalu · J.G.M. Majaliwa · P. Mukwaya Climate change and variability is one of the major environmental challenges that are likely to affect the livelihood of mankind for a very long time. At local scale, global climate change and variability trends can be amplified by Land use… RUF-34776 2010 CC BY 4.0 11 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 Banana farming in Kenya: Options for rejuvenating productivity J. Mbaka · Maina Mwangi Bananas constitute an important component of farm enterprises in the mid altitudes of central and eastern provinces of Kenya. In recent years the crop has steadily gained importance over traditional cash crops, e.g. coffee, and various sho… RUF-34742 2010 CC BY 4.0 10 Sep 2015
Working Document Series Open Access Inheritance of resistance to Fusarium root rot in three common bean genotypes P. Gibson · S.T. Nkalubo · P.O. Ongom · P. Rubaihayo Fusarium solani f. sp phaseoli (FSP) is an important disease in Uganda causing in some cases 100% yield losses in beans. The study established the nature of inheritance to FSP resistance in genotypes RWR 719, NABE 14 and NABE 13. A 5x5 ful… RUF-34670 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access The effect of super phosphate and planting density on mini-tuber production from true potato seed T. A. Mtaita · M. Mutetwa · M. D. Shoko Improving tuber seed quality and availability is institutionally complex in the tropics and sub-tropics. The main objective of this work was to evaluate the effect of superphosphate and plant density on mini-tuber production from true pota… RUF-34649 2010 CC BY 4.0 9 Sep 2015
Working Document Series Open Access Studies on the etiology, epidemiology and management of dieback disease of passion fruit in Kenya R. Gathu · N. Kori · J. Mbaka · M. Mwangi +1 more Passion fruit (Passiflora spp.) is an important cash crop in Kenya. In the recent past, diseases have increasingly reduced its production with yield losses ranging from 50 – 100%. Dieback is a recently emerged disease that is highly virule… RUF-34598 2010 CC BY 4.0 8 Sep 2015
