Theses & Dissertations Open Access Vector transmission and epidemiology of banana streak virus in Uganda Jerome Kubiriba Banana streak virus (BSV) causes a devastating disease of bananas in Uganda. screenhouse studies have demonstrated vector transmission in other locations, but there is no published records of field transmission. Understanding the transmiss… RUF-35415 2000 CC BY 4.0 23 Sep 2015
Theses & Dissertations Open Access Variations in field populations, disease development, and yield losses associated with Exserohilum turcicum on maize in Uganda Ekwamu Adipala Virulence patterns, mating types, disease development, and yield losses associated with Exserohilum turcicum from Uganda were investigated. Maize differentials containing Ht1, Ht2, Ht3 or HtN genes were resistant to 215 Ugandan isolates te… RUF-35409 1992 CC BY 4.0 23 Sep 2015
Theses & Dissertations Open Access Determination of economic injury levels and economic thresholds of Aphis craccivora and Maruca vitrata on cowpea Martin Ameu Experiments were carried out in Serere Agricultural and Animal Production Research Institute (SAARI) with the aim of establishing the economic injury levels and economic thresholds of aphids and pod borers on cowpea. The experiment to est… RUF-35403 2004 CC BY 4.0 23 Sep 2015
Theses & Dissertations Open Access Occurrence of fungal seed-borne pathogens of rice and effect of postharvest handling methods on seed quality in Uganda Moses Biruma Studies aimed at determining the occurence of seed-borne fungi and bacteria of rice in Uganda and effect pf postharvest processing practices on the quality of rice seed were conducted at Makerere University. A total of seventy seed samples… RUF-35402 2004 CC BY 4.0 23 Sep 2015
Theses & Dissertations Open Access The genetics of virulence of the Maize Streak Mastrevirus (MSV) Richard Edema A study of the genetics of virulence was conducted for Maize Streak Virus (MSV), genus Mastrevirus, family Geminiviridae. The genomes of four clones were sequenced and their virulence determined using the susceptible maize hybrid pioneer 3… RUF-35396 2001 CC BY 4.0 22 Sep 2015
Theses & Dissertations Open Access Significance of infected planting materials and alternative hosts of fusarium Xylariodes steyaery in transmission of coffee wilt disease Geofrey. Lubadde In Uganda, Coffee is a major export crop with robusta coffee forming the greater bulk of the coffee export, However, production is constrained by coffee wilt disease (tracheomycosis) caused by Fusarium xylarioides Steyaert. The disease was… RUF-35395 2004 CC BY 4.0 22 Sep 2015
Theses & Dissertations Open Access Assessment of the infection avenues of Fusarium xylarioides into coffee and histopathology of the inoculated coffee tissues. A. Wasukira The aim of this study was to identify infection avenues of the fungus Fusarium Xylarioides and subsequent pathogen development within coffee tissues. Two commercial clonal varieties robusta coffee 1s/3, 257/53, one arabica (SL14) at 4 mont… RUF-35393 2004 CC BY 4.0 22 Sep 2015
Theses & Dissertations Open Access Agronomic performance and genotype x environment interaction analysis of 12 elite potato genotypes in Uganda Grace. Abalo High yielding potato (Solanum tuberosum) genotypes with good levels of resistance to late blight were identified at Kalengyere Research Station in southwestern Uganda. The yield stability of these genotypes, however, remains uncertain. F… RUF-35391 2001 CC BY 4.0 22 Sep 2015
Theses & Dissertations Open Access Soybean germplasm reaction to rust in Uganda, associated yield loss, and rust control using fungicides R. Kawuki Currently, Uganda is experiencing a severe out break of soybean rust (phakopsora pachyrhizi sydow), a disease previously unknown in the country until 1996. As part of national efforts to contain the epidemic, three studies were conducted; … RUF-35390 2002 CC BY 4.0 22 Sep 2015
Theses & Dissertations Open Access Yield loss and spread patterns of sweet potato virus disease in areas around the Lake Victoria Crescent of Uganda Milly Nambogga Sweet potato virus disease (SPVD), the main disease constraint to sweet potato production in the area within the Lake Victoria Crescent (LVC), was first reported in Uganda in 1944 and since then, the disease has been reported to cause cons… RUF-35387 2004 CC BY 4.0 22 Sep 2015
Theses & Dissertations Open Access Transmission of Xanthomonas campestris pv vignicola, and screening cowpea lines for resistance to bacterial blight in Uganda B. Bua Experiments were carried out at Kabanyolo and Namulonge to (a) determine the level of seed infection and ability of cowpea seeds to transmit Xanthomonas campestris pv vignicola, (b) determine the most suitable techniques for inoculating co… RUF-35381 1996 CC BY 4.0 22 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 Morphological characteristics, growth and yield of elite grain and leaf Amaranth in Northern Tanzania Omary Ijumaa Mbwambo Amaranth is considered one of the most commonly produced and consumed indigenous vegetables on the African continent. In Tanzania amaranth constitutes about 6% of total hectares of vegetable planted annually. The genus consists of nearly 6… RUF-35348 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Influence of trees on soil characteristics and maize productivity in small holder farms of western Kenya Noella Andenyi Ekhuya Maize production in Kenya has been decreasing with time, especially in Western Kenya which is one of the main belts of maize production. This is due to low purchasing power for inorganic fertilizers by resource poor farmers. Use of local i… RUF-35344 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Adoption of Kilimo Kwanza Policy by Smallholder Citrus Farmers in Muheza District, Tanga Region Mzamiru Saidi Smallholder farmers in the citrus sub-sector of Tanzania particularly in Tanga Region are adversely faced by many challenges compared to other groups of farmers. Poor farming practices, poor post harvest management skills, low quality of p… RUF-35341 2013 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Critical shoot Nitrogen curve for potato varieties Asante and Tigoni in Kenya Mugo James Njeru Potato is a major crop in Kenya with its production area increasing as a result of people opting for potatoes than other crops. The production is however lower than what is expected due to several challenges, among them being low fertility… RUF-35338 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
Theses & Dissertations Open Access Evaluation of data capture methods used in plant health clinics in Kenya Linda Amondi Ohulo Plant clinics, which are context and situation specific compared to the existing extension approach in the Ministry of Agriculture (MoA), can deliver advice to farmers at the point of demand to reduce crop losses to pests. They can also ad… RUF-35331 2013 CC BY 4.0 21 Sep 2015
Working Document Series Open Access Inheritance of resistance to maize weevil Sitophilus zeamais (Motschulsky) in maize inbred lines and determination of their heterotic groups G. Asea · M.K. Gafishi · J.K. Tumutegyereize Maize weevil Sitophilus zeamais (Motschulsky) is a pest of maize causing serious losses to resource-poor farmers in the tropics. To combine resistance to Maize Weevil with high yield in maize, 52 inbred lines reported to harbor resistance … RUF-35203 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Determination of crop coefficient of local barley cultivar in Tigray, Northern Ethiopia using drums Alemie Araya · Fantahun. Sisay Barley is a major staple food crop in the highlands of northern Ethiopia. The crop is used for preparing various types of traditional foods. Barley yield over the northern Ethiopia is severely affected mainly due to water stress. To minimi… RUF-35202 2010 CC BY 4.0 17 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 Evaluation of the performance of Centre Pivot Sprinkler irrigation system and its effects on crop yield at Kagera, Tanzania E. Ernest · H. Mahoo · P. M. Reuben · S. Y. Thadei The study evaluated the performance of the centre pivot sprinkler irrigation system and its effects on sugar cane yield at Kagera Sugar Estate. The study also examined soil parameters that influence cane yield and the quality of irrigation… RUF-35105 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluating the effects of conservation agriculture and related technologies on soil biodiversity, crop and labour productivity in semi-arid Zimbabwe L. Mhaka · E. N. Mutsamba · I. Nyagumbo This on-going study is examining the linkage between termite prevalence and residue amount under conservation agriculture in Zimbabwe. Preliminary results show that convectional ploughing had lowest termite abundance while tied ridging inc… RUF-35098 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Effects of integrated water and nutrient management technologies on crop and labour productivity in Zimbabwe L. Mhaka · I. Nyagumbo Poor soils, erratic rainfall, frequent dry spells have been cited as the major threats to the development agricultural in Southern Africa. This experiment was designed to evaluate the benefits derived from post planting tied ridging, conse… RUF-35088 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Effects of agricultural commercial products (microbial and non microbial) in relation to maize and soybean yields in western Kenya M. Mburu · J.R. Okalebo · C.O. Othieno This study was undertaken to assess the effect of different inoculants on nodule formation and legume yield. On farm experiments were carried out in Bungoma district of western Kenya with treatments arranged in RCBD design with single repl… RUF-35080 2010 CC BY 4.0 16 Sep 2015
