Working Document Series Open Access Productivity and Phosphorus Use Efficiencies of Soybean Genotypes on Fields of Differing Soil Fertility in Two Agroecological zones of Uganda P. Ebanyat · J. Ssekamwa · P. Tukamuhabwa On- farm trials were conducted in the Northern moist farmlands (NMF) and South and Eastern Lake Kyoga basin (SELKB) agro-ecological zones of Uganda for two seasons of 2011 to determine the yield response of soybean genotypes to phosphorus … RUF-33180 2012 CC BY 4.0 22 May 2014
Working Document Series Open Access Developing Ecological Management Strategies for the Aphid Vectored Cucumber Mosaic Virus on Tomato in Uganda S. Ahabwe · H. Jurua · J. Karungi · M.K.N. Ochwo-Ssemakula +1 more This study aims to develop safe and affordable management strategies for cucumber mosaic virus (CMV) on tomato and the aphids that vector the disease as a strategy to rejuvenate and increase yields of the crop at the small scale levels. Th… RUF-32933 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Water Stress Effect on Yield and Water Use Efficiency of Two Wheat Varieties S.H. Ahmed · A.A. Ali Wheat is one of the first food crops to be domesticated and is a basic stable food in Europe, Asia and Africa. Wheat production is limited by insufficient water especially in the hot dry environments. In the arid and semi-arid regions, whe… RUF-32879 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access The Effect of Fish Farming Systems on Water quality and community livelihoods in Mbale: A Socio Economic and Biophysical Assessment A. Akol · H. Gidongo · T.S. Hyuha · F. Muyodi +1 more Fish farming contributes to people’s livelihoods, nutrition security, and foreign exchange. However, these potential may be achieved at the expense of the environment. This study determined the effect of fish farming on water quality and l… RUF-32831 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Reproductive Seasonality of Opsaridium Microlepis (mpasa) in the Linthipe River in Central Malawi D. Jamu · E.W. Kaunda · M. Limuwa · F. Maguza-Tembo +1 more Opsaridium microlepis is one of the fish species in Lake Malawi. The species is known to migrate to major river affluents for spawning. One of the rivers where they migrate is the Linthipe. The reproductive seasonality of this species into… RUF-32818 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Food type preference, Breeding Seasonality and size at first Maturity of Synodontis njassae of Southeast arm of Lake Malawi K.M. Kamtambe · E.W. Kaunda · F. Maguza-Tembo · A. Msukwa The food type preferencein the southeast arm of Lake Malawi was studied. Frequency of occurrence, gravimetric, volumetric and index of relative importance was used to assess food preference. It was found that S. njassae is an omnivore, con… RUF-32808 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Breeding Seasonality and Size at first Maturity of Synodontis njassae of Southeast arm of Lake Malawi K.M. Kamtambe · E.W. Kaunda · F. Maguza-Tembo · A. Msukwa Breeding seasonality and size-at-first maturity of Synodontis njassae in southeast arm of Lakes Malawi was studied. It was found that males mature earlier than females (10.6cm and 11cm, respectively). The size at 50% maturity for both sexe… RUF-32807 2012 CC BY 4.0 19 May 2014
Working Document Series Open Access Improving Rainwater use Efficiency in Teff for Enhancing Adaptation to Climate Variability and Climate Change in the Northern Ethiopia Alemie Araya · Gebresamuel Girmay · S. Habtu · Meles Kiros +1 more The main limitation in stabilising food security in Ethiopia is the dependency of the farming system on erratic rainfall. The production of teff, an Ethiopian staple food crop adapted to rainfed farming, has been affected by water stress w… RUF-32667 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Screening of Rice Varieties for their Weed Competitiveness A. Ahanchede · W. Bonou · Y.D. Moukoumbi · M. Sie +2 more Weed competition is a major constraint in rice production systems in Africa. This study was conducted at the Africa Rice Experimental Station in Benin in the dry and rainy seasons to screen rice varieties for weed competitiveness. The expe… RUF-32511 2012 CC BY 4.0 17 May 2014
Working Document Series Open Access Inheritance and Stability of Earliness in Solanum Potato P. Iragaba · R. Kakuhenzire · G. Tusiime Potato is an important food and cash crop in Uganda. Recent climatic variability characterised by erratic rainfall and elevated temperatures have been recognised as a major threat to potato production and productivity. Breeding for adaptat… RUF-32470 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Effect of Parasite Control on Immune Response of Newcastle Disease Vaccination And Productivity of Free Range Chicken, Eastern Province, Kenya L.C. Bebora · H.W. Chege · J.M. Githinji · D.C. Kemboi +4 more This study was conducted to determine the effect of reducing parasite burden (through treatment) on effectiveness of Newcastle disease (ND) vaccination in free-range village chicken of Mbeere district, Eastern province, Kenya. Only one asp… RUF-32388 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access The impact of climate change and variability on agricultural production: Adaptation strategies in Teso sub-region of eastern Uganda W. Ekere · V. Ekiyar · C. Jumbe · J. Mangisoni +3 more Climate change is emerging as the most important environmental problem facing modern society. Africa in particular is highly vulnerable to climate change and variability due to heavy reliance on rainfed agriculture by the majority of its p… RUF-32296 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access The Effect of Different In-Situ Conservation Methods on Yield of Teff in Tigray, Northern Ethiopia A. Araya · H. Solomon · Tezera Yared The imbalance in food supply and demand urgently calls for more efficient use of water to enhance food security and promote sustainable agricultural production. Teff is one of the economical and staple food crops grown in northern Ethiopia… RUF-32082 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Legume Biomass Transfer For Enhancing Productivity of Maize in Striga Infested Farmlands: The Case of Iringa District, Tanzania M. Aloyce · R. Hepelwa · G. Malima · J.J. Msaky +2 more The projects’ major aim was to increase maize productivity in Striga infested soils in Iringa district in Southern Tanzania. Two villages (Mangalali and Kiwere) in which maize is a major crop and in which Striga asiatica is a major prob… RUF-32017 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Calibration and validation of AquaCrop Model for Maize in Sub-Humid and semi- arid Regions of Central Highlands of Kenya J. Diels · M.W. Mucheru-Muna · D.N. Mugendi · J. Mugwe +3 more Farmers in the central highlands of Kenya have been experiencing declining crop yields due to low soil water availability caused by low and unreliable rainfall and poor water harvesting techniques. To increase crop yields, and reduce produ… RUF-31961 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Design Parameters, Criteria and Operation Guidelines of Controlled Drainage and Sub-Irrigation for Dambo Smallholder Farmers’ Water User Groups F.C. Kahimba · F. Mwenechanya · A.B. Salim · A.K.P.R. Tarimo +1 more This study is establishing recommendations for spacing, depth and layout of controlled drainage and sub-irrigation that could be practiced in dambos of Central Malawi by smallholder famers’ water user groups. To achieve this, soil physic… RUF-31948 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Investigating Viability of Premium Influenced Land use Structure in Production of Quality Indigenous Vegetable L.S.M. Akunadabweni · J. Mburu · S. Munialo · A. Namutebi Raised bed gardening is a form of land use structure that is becoming popular among home vegetable growers especially in parts of the world with greater population densities or less tillable land. Raised bed plots coined as Premium Influen… RUF-31942 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Susceptibility of some Varieties and Breeding lines of Tomato to Liriomyza spp. infestation in Central Sudan Dominique Bordat · M.A. Elameen Eltoum · M. Elamin Elamin · E.E. Faiza Salah +1 more Tomato crop in the central Sudan is liable to heavy infestation by the leaf miners, Liriomyza spp. Field experiments indicated significant differences in varietal susceptibility of varieties and tomato breeding lines to Liriomyza spp. The … RUF-31902 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Water Productivity and Evapotranspiration of Teff (Eragrostis tef) Berihun Atakilt Teff is a staple food crop in northern Ethiopia. The main limitation in stabilizing teff yield in northern Ethiopia is the dependency of the farming system on erratic rainfall. Usually, drought stress occurs in the region at the critical p… RUF-31896 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Age and Growth of the Nile Perch, Lates Niloticus L. in Lake Victoria, Uganda L.J. Chapman · W.N. Nkalubo This research determined age and growth of Nile perch (Lates niloticus) from Lake Victoria commercial catches using transverse-sectioned sagittal otoliths. Marginal increment analysis of the otoliths indicated bimodal deposition of annuli … RUF-31869 2012 CC BY 4.0 11 May 2014
Working Document Series Open Access Determination of Seasonal Parasite Carriage of Village Chicken in Mbeere, Antiparasitic Treatments used and Effectiveness of Selected Anthelmintics L.C. Bebora · Wambui, H. Chege · N. Maingi · P.G. Mbuthia The overall objective of the study is to determine parasite carriage of village chicken of Mbeere district, Eastern province of Kenya. The study was conducted for over two seasons, the dry (January to March) and wet (October to December) s… RUF-31766 2012 CC BY 4.0 2 May 2014
Theses & Dissertations Open Access Soybean Rust Diversity and Adaptation of Elite Soybean Lines to the Ugandan Environment Tonny Obua Soybean rust (Phakopsora pachyrhizi Sydow) is a major threat to soybean production worldwide. The objectives of this study were to; a) assess P. pachyrhizi diversity in the major soybean growing areas of Uganda usin SSR markers; b) assess … RUF-31686 2013 CC BY 4.0 26 Feb 2014