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 Survival analysis and generalized estimating equations for repeated measures in mosquito dose-response Gabriel Otieno Okello Dose-response studies in arthropod research usually involve observing and collecting successive information at different times on the same group of organisms (insects) exposed to different concentrations of stimulus such as botanical extra… RUF-35355 2013 CC BY 4.0 21 Sep 2015
Working Document Series Open Access Characterisation of wild and cultured Oreochromis shiranus in Malawi I. Changadeya & Kosgey · D. Kassam · C.S. Lewuantai · A. Maluwa Oreochromis shiranus is a Malawi indigenous tilapia fish species. The aim of the study is to characterise the species phenotypically and genotypically within and between wild strains, unimproved and improved cultured strains. Phenotypic ch… RUF-35039 2010 CC BY 4.0 15 Sep 2015
Working Document Series Open Access Selected soil properties for prediction of plague vectors and reservoirs in Mavumo area, Lushoto District, Tanzania J.A. Deckers · H. Gulinck · B.H. John · N. I. Kihupi +4 more The importance of selected soil properties with respect to occurrence of plague vectors and reservoirs was studied in Lushoto District, Tanzania. Plague reservoirs showed significant correlation (p<0.05) with subsoil percent clay, topso… RUF-34832 2010 CC BY 4.0 14 Sep 2015
Working Document Series Open Access Weeds as potential biopesticides in Taro leaf blight disease management D. Chikoye · C. Fokunang · L. A. Fontem · E. M. Ndifon Weeds play an important role as biopesticides for the management of several field pests. An experiment was conducted in the Life Science Laboratories of the University of Buea in 2012 to assess the biopesticidal potential of aqueous extrac… RUF-34300 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access Two heads are better than one: Strengthening partnerships in research and higher education D. Doepel · M.P McHenry · S. Sharma Perhaps more than ever our survival as a species is dependent on our collective problem solving ability. Our ability to thrive requires creativity and innovation to seize some amazing opportunities. In both cases - solving problems and sei… RUF-34280 2014 CC BY 4.0 17 Aug 2015
Working Document Series Open Access The bio-processing of fibres from Agave sisalana and Agave americana M.T. Masarirambi · T. Ndlovu · J.M. Thwala · V.S. Vilane +1 more Plant fibres play a major role in the lives of many rural peoples, especially women in Swaziland. It is known to produce strong and hard fibres which tend to limit the users in terms of product development. This research study, therefore, … RUF-34194 2014 CC BY 4.0 14 Aug 2015
Working Document Series Open Access Soil microbial biomass changes with application of organic and inorganic in acid soil of Embu County, Central highlands of Kenya B.O. Danga · J.N. Mugwe · B. Verde Most studies are focused on fertiliser either organic or inorganic to improve soil fertility, health and crop yields in most of the farming systems worldwide. Although organic and inorganic soil fertility improvements impact indirectly on … RUF-34133 2014 CC BY 4.0 13 Aug 2015
Working Document Series Open Access Biofficacy of lion’s ear and African basil extracts in management of adult twospotted spider mite on french beans J. G. Nyaanga · S. O. Ochola · K. O. Ogayo · J. O. Ogendo +2 more Methanol extracts of Lion’s ear, Leonotis nepetifolia L. (LN) and African basil, Ocimum gratissimum L. (OG), were evaluated for their toxic and ovicidal effects against the female adult two-spotted spider mite, Tetranychus urticae Koch. La… RUF-34061 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access In vitro evaluation of Leonotis nepetifolia L. and Ocimum gratissimum L. plant extracts against Colletotrichum lindemuthianum J. G. Nyaanga · S. O. Ochola · K. O. Ogayo · J. O. Ogendo +2 more The potential of crude plant extracts as antimicrobial agents has been demonstrated both in animal and plant health. Extracts with potential for control of plant pathogens such as Colletotrichum lindemuthianum (causal agent for bean anthro… RUF-34059 2014 CC BY 4.0 12 Aug 2015
Working Document Series Open Access Minjingu phosphate rock extractability by white lupin and chickpea in Njoro and Kiambu sub-counties, Kenya J.J. Lelei · R. O. Onwonga · J.P. Ouma Declining phosphorus (P) fertility is a major production constraint in Kiambu and Njoro subCounties of Kenya. Use of Minjingu phosphate rock (MPR) to rebuild soil capital P is limited by its insolubility in water. Field experiments were co… RUF-33952 2014 CC BY 4.0 11 Aug 2015
Working Document Series Open Access Leveraging mining infrastructure and procurement for long-term agricultural supply chain productivity and development D. Doepel · J.G Howieson · M.P McHenry · J. Walls +1 more Harnessing natural resources in mining and agriculture is a key driver of economic growth, generating large government revenues and export earnings, leading to considerable investment, growth, employment, and social benefit. However, in ma… RUF-33864 2014 CC BY 4.0 10 Aug 2015
Working Document Series Open Access Sudanese Withania somnifera: a potential control agent for plant microorganisms E. A. Adil Bala · R. Delorme · P-H. Ducrot · J. Einhorn +4 more For centuries plants have been used throughout the world as pesticides, drugs and remedies for various diseases. However, pesticides and drugs in general, tend to be very expensive particularly so for the developing countries. Comparative … RUF-33804 2014 CC BY 4.0 10 Aug 2015
Working Document Series Open Access Chemical Properties of Travertine from Different Sources in Rwanda with Regards to Their Calcium Oxide and Magnesium Oxide Contents E. Marwa · F.X. Naramabuye · E Semu · N.S. Sirikare This study was conducted in the districts of Rusizi, Korongi and Musanze districts, Rwanda in areas where travertine is found. The objective of the study was to characterize the chemical compositions of travertine for use in amending soil … RUF-33176 2012 CC BY 4.0 22 May 2014
Working Document Series Open Access The Use of Enzymes in the Bio-processing of Agave Americana and Agave Sisalana Fibres in Swaziland D.A. Otieno · J.M. Thwala · V. Vilane · P.E. Zwane This research was done in different agro-ecological zones in Swaziland where there are women and men Agave fibre decorticators and weavers. Current methods used to extract fibre from Agave spp. tend to pollute the environment since they us… RUF-33000 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Effects of aqueous extracts of Basil, Sodom’s apple and Coriander on leafminer damage to Okra M. Elamin Elamin · E.E. Faiza Salah · H.Z. Mohammed Elabdeen · E.H. Rehab Fadwal An experiment was conducted at the University of Gezira Experimental farm to evaluate the effects of 10% aqueous leaf and fruit extracts of Basil (Ocimum basilicum L.), leaf extracts of Sodom’s apple (Calotropis procera Ait) and fruit extr… RUF-32982 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Enzymatic processing of Agave sisalana and Ananas comosus plant fibres and fibre waste for diversified use T.T. Mkhonta · D.A. Otieno · J.M. Thwala · P.E. Zwane This study is being carried out to (i) characterise and explore the use of enzymes as an alternative method of fibre softening for sisal (Agave sisalana) and pineapple (Ananas comosus) leaves, (ii) determine the fabric hand on sisal jewelr… RUF-32960 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Using Crotalaria Species for the Management of Root-knot Nematodes of Vegetables in Western Kenya H.K. Cheruiyot · A.K. Kipkoech · Njira Njira · J.O. Ochuodho +1 more Vegetable production western Kenya is constrained by soilborne pathogens including plant-parasitic nematodes. Almost all vegetable production fields in are infested with root-knot nematodes. There is therefore need to design measures for s… RUF-32903 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Effects of Botanical Insecticides on the Egg Parasitoid Trichogramma Cacoeciae Marchal (Hym. Trichogrammatidae) H. Abdelgader This study was carried out to test the effect of the botanicals azadrichtine and Quassin on the parasitoid Trichogramma cacoeciae. For each of these, 2 formulatons were used i.e., Neemazal T/s Blank and Celaflor for azadrichtine and Alcohl… RUF-32871 2012 CC BY 4.0 20 May 2014
Working Document Series Open Access Spatial Dynamic of the Mabalane Mopane Ecosystem Degradation and its Association with Wildfires in southern Mozambique: What Implications for Biodiversity and people’s Livelihoods Romana Rombe Bandeira · Inocência Muzime · Amadeu Ossene · Cláudio dos Santos Quenhe +1 more The study focused on the Mopane woodlands, a forest ecosystem in Mozambiques from which the rural poor extract various forest and non forests products. The size of the ecosystem has been reduced over the years due to extensive agriculture … RUF-32737 2012 CC BY 4.0 18 May 2014
Working Document Series Open Access Effect of Crude Extracts of Viscum Verrocosum Treatment on Nematode Parasite Faecal Egg Count in Female Tswana Goats V. Bonang · J.B. Machete · O.R. Madibela · T. Moncho +1 more The present study was carried out at Notwane Farm of Botswana College of Agriculture with local Tswana goats. Goats graze and browse on a mixture of Acacia savanna with broadleaved middle layer trees with no or little supplementation. Infe… RUF-32447 2012 CC BY 4.0 16 May 2014
Working Document Series Open Access Local Processing of Plant Fibres: Current Status of the Industry in Swaziland M.T. Masarirambi · T.T. Mkhonta · D.A. Otieno · J.M. Thwala +2 more A variety of natural fibre based products are made in Swaziland for local and export markets. Minimal or no treatment is done to the fibres to improve quality and hence their low comfort properties which reduce their marketability. The ai… RUF-32089 2012 CC BY 4.0 13 May 2014
Working Document Series Open Access Effect of Leaf Leachate of Prosopis Juliflora (Swartz DC) and Acacia Raddiana (Brenan) on Early Growth of Sorghum Sudanense (Piper Stapf) Mustafa Hasabelrasoul Fadlelmula · Ali Rona Abdallah Bushra Prosopis juliflora (Swartz) DC provokes contradictive allegations on its ecological significance. To contribute in elucidating the dispute on its allelopathic behaviour, leachate was extracted from the leaves of both P. juliflora and Acaci… RUF-31910 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Promoting Corporate and Community Involvement in Natural Resource Management Through Dissemination of Research Findings and Participation in Field Investigations of Mine Pollution in Kasese, Western Uganda J.G.M. Majaliwa · R. Osaliya In a field attachment to Kasese Cobalt Company Limited (KCCL), the communities of Kahendero and Hamukungu landing sites on Lake George shores were engaged in investigations of the impact of pollution and subsequent interventions by KCCL, a… RUF-31878 2012 CC BY 4.0 12 May 2014
Working Document Series Open Access Growing Tithonia Diversifolia for Fertility Restitution of Technosols from Coltan Mined Soils of Gatumba, Rwanda B. Mochoge · F. Naramabuye · A. Ndoli · Rolf Nieder The present study was conducted to evaluate the capacity of Tithonia diversifolia to mobilise nutrients and the ability of technosols to produce tithonia biomass for fertility restitution. A greenhouse pot experiment was conducted and tith… RUF-31830 2012 CC BY 4.0 8 May 2014