Theses & Dissertations Open Access Impact of climate change and anthropogenic pressures on degradation and loss of wetlands in two ago-ecological zones of Lesotho T. Nkheloane There is sparse information on the wetlands of Lesotho in terms of their characteristics, climate change impacts, management and coverage and there is a growing concern on high levels of degradation observed in these ecosystems. Thus the m… RUF-35532 2012 CC BY 4.0 30 Sep 2015
Theses & Dissertations Open Access Determination of age and growth of Opsaridium microlepis (mpasa) and the influence of water quality parameters on its catches in the Linthipe river in Central Malawi Moses Limuwa A study on the determination of age and growth of Opsaridium microlepis, locally known as the mpasa, and the influence of water quality parameters on its catches in the Linthipe river in Central Malawi was conducted between February 2006 a… RUF-35500 2008 CC BY 4.0 29 Sep 2015
Theses & Dissertations Open Access Characterization of southern African Colletotrichum lindemuthianum isolates using neutral and selective genetic markers P. Kachapulula Bean anthracnose (Colletotrichum lindemuthianum) is an important disease of common beans in Zambia, and in many tropical regions of the world. Epidemics may occur in cool, wet and humid regions of the world where susceptible cultivators a… RUF-35484 2010 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Variation in cassava (Manihot esculenta crantz) based on single nucleotide polymorphisms, simple sequence repeats and phenotypic traits R.S. Kawuki This thesis presents results from four research objectives. The first objective presents analysis of cassava germplasm form six countries (Uganda, Kenya, Tanzania, Rwanda, D.R.C, and Madagascar) using 29 qualitative traits. Germplasm form … RUF-35475 2009 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Factors contributing to fishing and river bank cultivation of linthipe/Lilongwe river riparian communities: a case study of salima district Annie Bettie Kam'bwebwe. Zidana The study was conducted to investigate factors that influence farmers to cultivate along the river banks in Salima District, in the Central Region of Malawi. Using logit analysis the study revealed that household size, main occupation, edu… RUF-35471 2009 CC BY 4.0 28 Sep 2015
Theses & Dissertations Open Access Nutritional evaluation of plant ingredients for diets of Tilapia rendalli in NkhataBay, Northern Malawi Kumbukani Mzengereza Modern fish culture requires the reduction of the cost of feeds which can partly be achieved by minimal use of dietary animal protein. This study assessed the nutritional potential of locally available plant based feedstuffs from Mpamba EP… RUF-35376 2015 CC BY 4.0 21 Sep 2015
Theses & Dissertations Open Access Modelling spatial non-stationarity of Oreochromis karongae in South-East Arm of Lake Malawi Patrick Jeremy Likongwe Fisheries researchers are faced with the challenging task of studying complex patterns and processes in aquatic resources. Analysis of such patterns is mostly performedundertheassumptionthatecologicalrelationshipsdonotvarywithin management… RUF-35352 2013 CC BY 4.0 21 Sep 2015
Working Document Series Open Access Experiences from implementing regional training in the SADC region: MSc. in plant breeding and seed systems at the University of Zambia J.C.N. Lungu · M. Mataa · M.S. Mwala With SADC-ICART support, the University of Zambia designed a plant breeding M.Sc. programme that incorporated both technical and social skills. The programme has graduated 12 M.Sc. students, all of whom are already employed. The paper desc… RUF-35267 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Synergizing research, development and training in the agricultural sector for food security for the rural masses of Africa: The case of Agricultural Research and Development Programme (ARDEP) in Malawi J.W. Banda · E.W. Kaunda · M. Limuwa · V.W. Saka This paper highlights major findings/results of how synergizing agricultural science and technology (research), development and training using the Agricultural Research and Development Programme (ARDEP) in Malawi as a case study can benefi… RUF-35251 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Morphological and genetic characterization of mango varieties in Mozambique A.V Biljon · L. Herselman · C.R.B. Mussane Mangoes are economically important for Mozambique because of adequate climatic conditions and international market opportunities. This study compare morphological and AFLP characterisation of 30 mango varieties from the Umbeluzi research s… RUF-35222 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Innovative breeding for drought tolerance and fertilizer use efficiency in maize S.C. Muchena This paper highlights outcome of research that was initiated as part of a graduate PhD research thesis, but has today led to development of commercial maize varieties in Southern Africa. It clearly demonstrates that university-based resear… RUF-35218 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access The analysis of agricultural policies in Malawi: The maize political economy K. Droppelmann · A.K. Edriss · H. Phiri The choices of the maize policies are political decisions made by elected officials in the political arena, yet it affects the overall maize industry. This study will model how decision are made in the political arena and how such decision… RUF-35177 2010 CC BY 4.0 17 Sep 2015
Working Document Series Open Access Variation in micronutrient content of orange-fleshed sweetpotato varieties grown in different environments M.S. Mwala · G.I. Serenje Field experiments were conducted at three locations in Zambia to characterize 15 sweetpotato varieties for tuber yield and micro-nutrient content. Location and variety had significant effect on tuber yield. Marketable yield ranged from 5.2… RUF-35139 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Differential gene expression in nematode-susceptible and -tolerant East African highland bananas following inoculation with non-pathogenic Fusarium oxysporum endophytes D. Coyne · T. Dubois · P. Paparu · A. Viljoen Endophytic non-pathogenic Fusarium oxysporum isolates have been shown to reduce Radopholus similis populations through induced resistance. We used cDNA-AFLPs to identify genes induced in banana plants susceptible (cv Nabusa, AAA-EA) and to… RUF-35131 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Seed-borne viruses detected on farm-retained seeds from smallholder farmers in Zimbabwe, Burkina Faso, Bangladesh and Vietnam W. Manyangarirwa · C.N. Mortensen · J. Sibiya The smallholder farming sector in much of the developing world relies on the use of farm-retained seed. The availability of good quality disease free seed is important in enhancing food security but seed-borne viruses can be a major proble… RUF-35119 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 Hatchery system evaluation and adaptation for the production of Oreochromis karongae (Trewavas, 1941) fingerlings D. Kassam · J.S. Likongwe · George Matiya · J.S. Valeta In Malawi development of aquaculture is constrained by, among other factors, lack of good quality seed. Through Research into Use (RiU) the Government of Malawi has mandated a few fish hatcheries, of which the most prominent is the Commerc… RUF-35091 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 Nitrogen dynamics and removal by algal turf scrubber under high ammonia and organic matter loading in a recirculating aquaculture system J.S. Valeta · M.C.M. Verdegem High total ammonia nitrogen (TAN) concentrations were introduced to an Algal Turf Scrubber developed under loadings of Clarius gariepinus recirculating aquaculture system effluent to determine its potential and dynamics of TAN removal. TAN… RUF-35087 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Development of least cost formulated feed for Tilapia rendalli in tank based grow- out culture system J. Kang’ombe · T. Soko An experiment was conducted at Bunda fish farm from November 2009 to February 2010. Juveniles of Tillapia rendalli of average weight 9.5 ± SD 0.5g were stocked in outdoor concrete tanks and fed on diets of different plant protein sources f… RUF-35086 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Economic benefits associated with restoration of fish stocks of Lake Malombe in Malawi V. Kasulo · E. Kaunda · George Matiya · W. Singini This paper provides an overview of the research to be conducted in Lake Malombe in Malawi. The changes that have taken place in Lake Malombe fishery have had major social and economic consequences on communities around the lake. In Malawi,… RUF-35081 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Age, growth and reproductive biology of Lethrinops gossei burgess & axelrod– (Teleostei: cichlidae) in the south east arm of Lake Malawi M.C. Banda · G.Z. Kanyerere · E. Kaunda · F. Maguza-Tembo +1 more Life history traits of Lethrinops gossei from south east arm of Lake Malawi were studied. Validation of age was done by using analysis of marginal increment and length frequency distribution. It was assumed that a single opaque ring was la… RUF-35078 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Evaluating the benefits of action learning processes in driving integrated soil fertility management benefits among smallholder farming communities in Zimbabwe R. Chikowo · P. Mapfumo · T.C. Mashavave · F. Mtambanengwe +1 more The widespread fragmented adoption of improved soil fertility management options among smallholder farmers can partly be attributed to poor diffusion of acquired knowledge. Using participatory action research approaches, a study was conduc… RUF-35077 2010 CC BY 4.0 16 Sep 2015
Working Document Series Open Access Value chain analysis of Lake Chilwa fisheries in Malawi M. Hara · George Matiya · L.Y. Phiri The research will analyze value chain of Barbus paludinosus and Oreochromis shiranus chilwae from Lake Chilwa in Malawi. It will examine problems of asymmetric bargaining power in fish sales and information flow on the distribution of bene… RUF-35064 2010 CC BY 4.0 15 Sep 2015
Journal articles Open Access Epidemiology of Epizootic Ulceration Syndrome on fish of the Zambezi river basin: A case study for Zambia W. Mfitilodze · A. Nsonga · K.L. Samui · D. Sikawa Objective: An epidemiological investigation on the fish disease Epizootic Ulcerative Syndrome (EUS) was conducted from January to December 2011 in the Zambezi River System (ZRS) of Sesheke District in the Western Province of Zambia. The st… RUF-35063 2013 CC BY 4.0 15 Sep 2015
