Working Document Series Open Access Evaluation of chickpea genotypes for tolerance to ascochyta blight P. Kimurto · K. Kiplagat · O. Kiplagat · J. Ochuodho In Kenya dry highlands where wheat, maize, and barley are the main crop, chickpeas are considered as off-season crop (October-February) before the next cropping season. Thus these crops provide an alternative source of income to farmers. C… RUF-38735 2018 CC BY 4.0 15 Sep 2020
Working Document Series Open Access Genetic diversity of Mycobacterium tuberculosis, drug resistance and atypical mycobacteria in Rwanda F. Bwanga · C.M. Muvunyi · A.N. Umubyeyi · I. Uwimana The genus Mycobacterium has two main groups, Mycobacterium tuberculosis complex (MTBC) and atypical mycobacteria. The MTBC species, the causative agents of tuberculosis (TB), has been further typed into different genotypes. Genotyping meth… RUF-37058 2016 CC BY 4.0 18 Sep 2017
Working Document Series Open Access Phenotypic and serological screening of okra genotypes against Okra mosaic virus infection under field conditions F. Agyarko · A. Asare · E. Asare-Bediako · Frimpong Kwame Agyei +2 more Okra mosaic disease (OMD) caused by Okra mosaic virus (OkMV) is an important biotic constraint to okra (Abelmoschus esculentus L.Moench) production in West Africa. Management of OMD with insecticides is very difficult and ineffective, thus… RUF-36516 2016 CC BY 4.0 23 Nov 2016
Working Document Series Open Access Water stress effects on common bean genotypes with four growth habits J. Bokossi · S. Chantiro · R. Chirwa · W. Mkwaila This study evaluated 22 common bean (Phaseolus vulgaris L.) genotypes for yield and yield components performance under drought stress conditions. The genotypes were grouped into four growth habits IIIa, IIIb, IVa and IVb, according to Inte… RUF-36501 2016 CC BY 4.0 22 Nov 2016
Working Document Series Open Access Developing cowpea and bean genotypes with tolerance to bruchid beetle J. Mataa · K. Munyinda · L. Pungulani · P.H. Sohati +1 more Cowpea and beans are important grain legume pulses in sub-Saharan Africa, but yields have been characteristically low as a result of both abiotic and biotic stresses. Among the biotic stresses infestation by the bruchid beetles Callosobruc… RUF-36421 2016 CC BY 4.0 26 Oct 2016
Working Document Series Open Access Enhancing productivity of traditional goat phenotypes among small holder farmers of Uganda: The role of research F. Kabi · C. Masembe · V.B. Muwanika · D.K. Nampanzira Goats have not only been important for food and income of many people in developing regions but have also contributed significantly to the economic development for millions of years. In Uganda, approximately 40% of the rural households rar… RUF-36375 2016 CC BY 4.0 21 Oct 2016
Working Document Series Open Access Evaluation of cassava genotype response to hot water therapy for efficient cassava virus elimination G. Nakabonge · R. Nangonzi · S. Tumwebaze Cassava Brown Streak (CBSV) and Cassava Mosaic Viruses (CMV) are serious constraints to cassava production. In this work, the rate of shoot regeneration and disease incidence on shoots following hot water therapy as a technique for virus e… RUF-36307 2016 CC BY 4.0 20 Oct 2016
Working Document Series Open Access Yield stability of promiscuous soybean genotypes in Uganda E.E. Agoyi · P. Tukamuhabwa · J.B. Tumuhairwe A field experiment was conducted in five major soybean growing areas in Uganda with 12 promiscuous soybean genotypes. Seeds of genotypes were inoculated with fresh culture of Bradyrhizobium sp. strain USDA 3456 and grown in the fields for … RUF-36239 2016 CC BY 4.0 18 Oct 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
Theses & Dissertations Open Access Economic evaluation of soybean genotypes under soil fertility variability in northern and eastern Uganda Edward Tanyima Soybean (Glycine Max (L.) Merrill) is an important crop in Uganda as it is the cheapest source of plant protein and income to farmers. Despite breeding for high yielding and disease tolerant soybean genotypes, there has not been a signific… RUF-35862 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
Theses & Dissertations Open Access Inheritance of phosphorus use efficiency and resistance to anthracnose in selected sorghum genotypes grown in the acid soils of Western Kenya A. Nyambok The acid soils of western Kenya where most of the sorghum is grown have very low available phosphorus, at 2-5mg P/kg soil compared to the recommended levels of 10-15mg P/ kg soil required for optimal crop productivity. In these soils, sorg… RUF-35837 2014 CC BY 4.0 28 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 New sources of resistance to spotted stem borer, Chilo partellus in sorghum J. Kibuka · S. Kyamanywa · M. Mgonja · P.W. Muturi +1 more The lepidopteran Chilo partellus Crambid, an introduced pest in East and southern Africa from Asia, is the most economically important stem borer species infesting cereals in Africa. Chilo partellus causes more than 40% yield loss in sorgh… RUF-35624 2012 CC BY 4.0 7 Oct 2015
Journal articles Open Access Novel source of sorghum tolerance to the African stem borer, Busseola fusca C. T. Hash · S. Kyamanywa · M. Mgonja · P.W. Muturi +2 more Sorghum (Sorghum bicolor) is an important cereal food crop in semi-arid tropics, but its productivity is curtailed mainly by insect pests and diseases. The African stem borer, Busseola fusca Fuller (Lepidopteran: Noctuidae), is among the m… RUF-35621 2012 CC BY 4.0 7 Oct 2015
Journal articles Open Access Resistance of tropical maize genotypes to the larger grain borer Y. Beyene · S.N. Mugo · S.W. Munyiri · J.K. Mwololo +4 more Post-harvest losses caused by the larger grain borer (LGB, Prostephanus truncatus) aggravate food insecurity among small-scale farmers. Host plant resistance is a method of LGB control which should be prioritized in order to reduce these l… RUF-35615 2012 CC BY 4.0 7 Oct 2015
Journal articles Open Access Validation of the use of secondary traits and selection Indices for drought tolerance in tropical maize (Zea mays l.) C. Magorokosho · X. Mhike · P. Okori · Ndlela. Thokozile Breeding progress for drought tolerance in maize has been slow since drought tolerance is a complex trait controlled by many genes. Breeders improving maize for drought tolerance have therefore been using secondary traits and selection ind… RUF-35606 2012 CC BY 4.0 7 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 Resistance to the spotted stem borer and African maize stem borer in tropical maize S.W. Munyiri In sub-Saharan Africa (SSA), maize (Zea mays L.) is the staple food for about 50% of the population. Lepidoptera stem borers pause major threats to sustained food sufficiency in SSA where they cause annual yield losses of 15% and particula… RUF-35525 2014 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 Reaction of maize genotypes in young stages to Cercospora zeae-maydis and influence of infested maize residue on progress and spread of gray leaf spot in central Uganda G. Asea Two studies were conducted to investigate the reaction of young and adult maize plants to Cercospora zeae-maydis in greenhouse and field conditions at two conditions at two locations in central Uganda. The greenhouse experiments were condu… RUF-35419 2001 CC BY 4.0 23 Sep 2015
Theses & Dissertations Open Access Utilization of multi-locational pigeonpea performance data for determination of stability parameters Samuel Murachia Kamau Multi-locational data on medium duration pigeonpea varieties in Eastern and Southern Africa was analyzed for genotype performance. The objective was to utilize multi-locational data to identify superior genotypes. The study also aimed at r… RUF-35361 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Evaluation of physiological and agronomic responses as screening techniques for yield and water stress tolerance in wheat Cultivars In Tigray, Ethiopia Mohammed Mebrahtu Mossa Water stress is one of the major environmental factors that inhibits metabolic processes and constrains plant growth and crop productivity in the majority of agricultural fields. Wheat is generally grown on arid-agricultural fields and wat… RUF-35334 2013 CC BY 4.0 21 Sep 2015
Working Document Series Open Access Diallel analysis of root dry matter content in sweetpotato R. Edema · P. Gibson · R. O. M. Mwanga · D. Shumbusha +1 more There has been much emphasis on breeding for increased sweetpotato storage root yields, but less on the dry matter yield, and its inheritance. High dry matter content (DMC) is associated with consumer preferences, and is important for proc… RUF-35241 2010 CC BY 4.0 17 Sep 2015
