Theses & Dissertations Open Access Fungal microflora causing maize ear rots in Uganda Godfrey Sseruwu Maize is susceptible to a number of ear rot fungi, which cause reduction in yield, quality and feed value of the grains. The most common causative agents are Fusarium moniliforme J Shed. and Stenocarpella maydis (Berk). Associated with the… RUF-35429 2003 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Sources of resistance to and spread of Cercospora zeae-maydis from inoculum source in maize Josephine A.O. Ayiga-Aluba Two field experiments were conducted to evaluate the performance of 142 progenies of Vo613Y x Pa405 bred in Ohio, USA for resistance to gray leaf spot (GLS) and study the spread of GLS form inoculated foci at two locations in central Ugand… RUF-35428 2000 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Population dynamics of pod bugs (hemiptera) and their damage on cowpea in Uganda M.Paul Nampala Field experiments were conducted during the growing seasons of 1999 and 2000 to study the population dynamics of pod bugs (Hemiptera) and their damage on cowpea in Uganda. The study aimed at determining the incidence, abundance and damage … RUF-35426 2002 CC BY 4.0 25 Sep 2015
Theses & Dissertations Open Access Integrating of host resistance, cultural methods and fungidal application for the management of late blight of potatoes in Uganda Peace. Kankwatsa Late blight caused by Phytophthora infestans (Mont.) de Bary is the most damaging disease of potato in the highlands of Uganda. The objective of this study was to identify plausible disease management options for development of an integrat… RUF-35422 2001 CC BY 4.0 23 Sep 2015
Theses & Dissertations Open Access Interaction between turcicum leaf blight and maize streak virus disease in maize Patrick Okori The effects of concomitant infection by exserohilum turcicum and maize streak virus (MSV) were quantified in one susceptible maize inbred line. Infection by MSV masked symptom expression of Turcicum leaf blight. In general, plant leaf area… RUF-35421 1997 CC BY 4.0 23 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 Some aspects of epidemiology of sorghum downy mildew (Peronosclerospora sorghi) in Uganda George Bigirwa Studies on Peronosclerospora sorghi (weston and uppal) C. G.Shaw the causal agent of sorghum downy mildew (SDM), were conducted in response to the increased occurrence of the disease in Uganda. The geographic distribution of SDM on maize, … RUF-35418 1997 CC BY 4.0 23 Sep 2015
Theses & Dissertations Open Access Effect of time of harvest, storage duration and fungicide treatment on soybean health Ruth Kutuusa Kasenge Globally, one of the most recognized problems in soybean production is loss of seed viability. Similarly, In Uganda, this problem was noticed in the 1970s soon after the introduction of the crop in the country. Although several interventio… RUF-35416 2003 CC BY 4.0 23 Sep 2015
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 Management of bacterial wilt of potato using rotation crops in southwestern Uganda Maureen. Katafiire Studies were conducted in the field, shade house and laboratory to explore different Ralstonia solanacearum management options for southwestern Uganda. The major objectives were to determine the effect of the crops commonly grown in rotati… RUF-35411 2004 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 Occurrence of sweet potato to virus disease (spvd) and other viruses on sweet potato and the role of resistance and phytosanitation to control spvd in Uganda B. Bua This study was conducted to establish the prevalence and distribution of sweetpotato virus disease and other viruses infecting sweetpotato in Uganda, assess the level of resistance in the most commonly grown sweetpotato landraces in areas … RUF-35406 2004 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 On-farm evaluation of orange-fleshed sweetpotato varieties in northeastern Uganda Emmanuel Gilbert. Omiat Orange-fleshed sweetpotato (OFSP) varieties currently represent the least expensive, year-round source of dietary vitamin A available to poor families in Eastern Africa. An on-farm study was conducted in North-Eastern Uganda to assess fiel… RUF-35400 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 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 Integrated field management of cowpea pests using selected synthetic and botanical pesticides H. N. Opolot This study evaluated the effect of integrating synthetic and botanical pesticide sprays in the management of cowpea (Vigna unguiculata) field and storage pests. Cypermethrin (Ambush CY 5% EC) and unitary crude concoctions of tobacco (Nicot… RUF-35379 2004 CC BY 4.0 22 Sep 2015
Theses & Dissertations Open Access Identification of potato genotypes resistant to, occurrence of latent infection and races of Pseudomonas solabacearum in Uganda G. Tusiime Studies were conducted for three seasons to screen 26 potato genotypes for resistance to bacterial wilt, study the occurence of latent infection in potato seed tubers and common weeds on hihland Uganda; and characterise isolates of the bac… RUF-35378 1997 CC BY 4.0 22 Sep 2015
Theses & Dissertations Open Access Statistical models for yield, pest abundance and disease incidence of tomato Juma William Yabeja Analysis of variance (ANOVA) is one of the general linear models used to nearly unimaginable range of problems in many different disciplines and has been a fundamental method used by plant pathologists and other researchers for analysis of… RUF-35373 2013 CC BY 4.0 21 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
Theses & Dissertations Open Access Ethno medicinal products used in banana production, management practices, farmers’ perception and efficacy in Masaka and Mpigi districts, Uganda Godfrey Vianney Bwogi Banana failure among smallholder farmers resulting from high incidence of banana weevils and other pests and diseases has resulted into a poverty trap for farmers, food insecurity and reduced economic growth among the banana producing comm… RUF-35347 2013 CC BY 4.0 21 Sep 2015