Theses & Dissertations Open Access The impact of climate variability and extreme weather events on gender and household vulnerability to food insecurity V. M. Tasokwa Kakota Climate variability is a challenge to ensuring food security among populations that mainly depend on rain-fed agriculture. It affects rural women and men differently. However, there is inadequate information to link climate variability to … RUF-35758 2011 CC BY 4.0 19 Nov 2015
Journal articles Open Access Tillage effects on selected soil physical properties in a maize-bean intercropping system in Mwala District, Kenya N. Amuri · C.K.K. Gachene · Patrick. Gicheru · Anne Karuma +1 more A field study was carried out to evaluate the effects of tillage practices on soil physical properties in Mwala district, Eastern Kenya, duringthelongrains(LR)andshortrains(SR)of2012/13.Thetreatmentswerediscploughing(DP),discploughingandharr… RUF-35757 2014 CC BY 4.0 17 Nov 2015
Journal articles Open Access Determination soil Rhizobium populations, intrinsic antibiotic resistance, nodulation and seed yield of faba bean and soybean in Western Ethiopia Tolera Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more Legumes like faba bean (Vicia faba L.) and soybean (Glycine max L.) is able to fix 20–60 kg N ha 1 under tropical environments, but these amounts are significant for the succeeding cereal to meet the N requirement for economically attracti… RUF-35739 2015 CC BY 4.0 16 Nov 2015
Journal articles Open Access Effects of faba bean break crop and N rates on subsequent grain yield and nitrogen use efficiency of highland maize varieties in Toke Kutaye, western Ethiopia Tolera Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more The biological N2-fixation in faba bean on subsequent nitrogen fertilizer requirement of highland maize varieties would be useful in guiding application of additional nitrogen fertilizer in cropping sequence. Maize planted following faba b… RUF-35737 2015 CC BY 4.0 16 Nov 2015
Journal articles Open Access Nutrient status of soils from farmers’ maize fields in mid altitude areas of Western Ethiopia Tolera Goshu Abera · Tolessa Debele · Haekoo Kim · Ernest Semu +1 more Inappropriate land use can deplete nutrient contents of crop land that leads to reduce nutrient concentrations and productivity. However, monitoring nutrient status of crop land can help producer take appropriate remedial measures before s… RUF-35735 2015 CC BY 4.0 16 Nov 2015
Theses & Dissertations Open Access Effect of organic and inorganic nitrogen sources on growth, yield and oil content of sunflower grown in highly weathered soils of Morogoro Mwahija Almasi Irika Sunflower contributes about 40% of total national cooking oil requirement in Tanzania, ranking as one of the most important cooking oil with very high nutritional value. However, its production per unit area ranges between 800 and 1100 kg/… RUF-35636 2015 CC BY 4.0 8 Oct 2015
Theses & Dissertations Open Access Growth, yield and postharvest qualities of tomato (Lycopersicon esculentum M.) as influenced by soil moisture levels and packaging C.I. Sibomana Tomato (Lycopersicon esculentum M.) is a fruit vegetable, and like most horticultural commodities is highly perishable. It is often exposed to stresses either imposed by other organisms (biotic) or arising from imbalance of environmental f… RUF-35633 2011 CC BY 4.0 8 Oct 2015
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 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
Theses & Dissertations Open Access Evaluation of improved and local cassava varieties in Uganda for resistance/ tolerance to Cassava Mosaic Virus Disease (CMD) John Adriko Cassava Mosaic Disease (CMD) caused by whitefly-transmitted cassava mosaic geminiviruses has been a major constraint to cassava production in Uganda since 1988 when a particularly severe epidemic of the disease was first reported. The intr… RUF-35569 2005 CC BY 4.0 1 Oct 2015
Theses & Dissertations Open Access Occurrence, identification and characterization of viruses infecting passion fruit in Uganda M.K.N. Ochwo-Ssemakula Horticulture is one of the fastest growing sub sectors in Uganda with an estimated annual growth rate of about 20%. Although its contribution to the economy has never been quantified, the role of horticulture in creating employment and gen… RUF-35556 2008 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Inheritance of resistance to Magnaporthe grisea in upland rice Fulgence Niyongabo The main objective of this study were: 1) to determine the pathogenicity of rice blast isolates collected in three key rice producing districts of Uganda on standard host differentials, 2) to estimate the heritability, mode of gene action … RUF-35555 2012 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Contribution of granule bound starch synthase in kernel modification of quality protein maize Anne K. Nalukenge Quality Protein Maize (QPM) is derived from natural mutations that increase the level of lysine and tryptophan in maize grain. The rate of QPM development has been slowed down due to frequently poor kernel texture associated with opaque-2.… RUF-35553 2008 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Evaluation of sweet potato variety dissemination approaches used by researchers in East and Central Uganda Patience Byaruhanga Sweet potato research in Uganda has led to development and release of many varieties by the National Crops Resources Research Institute (NaCCRI) of the National Agricultural Research Organsation (NARO). The researchers have used three majo… RUF-35550 2008 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Intra-household labour allocation and technical efficiency among groundnut producers in eastern Uganda Samuel. Sentumbwe Improved production technologies have been developed and adopted by some farmers in the country. These technologies were developed with the aim of improving farmer’s welfare but its known that households get income from sources other than … RUF-35545 2007 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Characterisation of the spatial prevalence and contribution of malaria to paddy rice yield loss in Bugiri district David Nanfumba Malaria is one of the water related diseases that is believed to reduce the available labour in agriculture especially in the paddy rice farming systems which serve as breeding grounds. The breeding habitats, their bio-physical properties … RUF-35541 2008 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Performance of starter pigs fed diets based on malted and fermented maize G.A. Beyihayo Two growth trials involving crossbred (Large white x Landrace) starter pigs were conducted to compare feed intake, growth rate, feed conversion efficiency and cost of feeding malted (MTD), fermented (FTD), fermented maize grain after malti… RUF-35528 2014 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Investigating viability of premium influenced land agro-usage structure for increased phyto-diversity and production of African leafy vegetables S. Munialo Decreasing land holdings among smallholder farmers in Vihiga and Jinja have resulted in intensive land utilization. This has in turn led to low soil fertility level which has resulted in decline in the abundance and distribution of phyto-d… RUF-35527 2013 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Genetic mapping of root development and resistance to Radopholus similis in a segregating diploid banana population Micheline Inamahoro Radopholus similis (and others nematodes) cause significant damage on banana wherever are grown worldwide. Genetic resistance to nematodes provides a more sustainable management option in resource poor farming systems. New evidence indicat… RUF-35519 2011 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Combining ability for multiple resistance to turcicum leaf blight (Exserohilum turcicum) and maize streak virus disease Luka Atwok Opio Awata Maize foliar diseases are the most important impediments to increased maize production in Uganda. The main objectives of the studies reported in this thesis were (i) to characterise inbred lines for resistance to Turcicum leaf blight and m… RUF-35514 2012 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Optimal resource allocation in cowpea production systems in eastern Uganda Frances. Nakakawa This study focused on examining the allocation of farm resources by farmers engaged in cowpea production and developing optimal farm plans for cowpea production systems in Eastern Uganda. Earlier studies revealed that cowpea yields are bel… RUF-35508 2007 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Optimizing phosphorus availability for bean production on a high altitude andosol A. Cyamweshi Rusanganwa In Sub-Saharan Africa, common bean (Phaseolus vulgaris L.) is a food security and income sourcing crop as well as a contributor to soil fertility improvement through biological nitrogen fixation. In Uganda, bean production is widespread, w… RUF-35503 2011 CC BY 4.0 29 Sep 2015