Faculty of Science & Technology (FST): Recent submissions
Now showing items 4141-4160 of 4284
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Determination of optimum seaweed concentration for mushroom cultivation and the ability of mushrooms to absorb iodine
(©2012 Academic JournalsSchool of biological sciences, 2012-07)The optimum concentration of seaweed (Laminaria schinzii) in grass as substrate for cultivation of the Oyster mushroom Pleurotus sajor caju was observed to be 10%. This concentration supported growth of highest numbers and ... -
Seasonal variation in the prevalence of malaria and vector species in Northern Namibia
(©2012 Academic JournalsSchool of biological sciences, 2012-08)The prevalence of malaria parasite, Plasmodium falciparum and the abundance of malaria vector species were studied in selected areas of northern Namibia during the wet and the dry seasons. Female mosquitoes were collected ... -
Antimicrobial activity and phytochemical study of vernonia glabra (steetz) oliv.& hiern. in Kenya
(School of biological sciences, 2013)Infectious diseases are prevalent and life threatening in Kenya. Majority of the sick are seeking herbal remedies in search of effective, safe, and affordable cure. This project aims to investigate the antimicrobial activity ... -
Efficacy of Biological Control and Cultivar Resistance on Fusarium Head Blight and T-2 Toxin Contamination in Wheat
(© 2012 SciRes.School of biological sciences, 2012-02)Laboratory and green house experiments were carried out to evaluate the efficacy of fungicides, biological agents and host resistance in managing FHB and the associated T-2 toxin. In vitro activity of fungicides and ... -
Prevalence of livestock diseases and their impact on livelihoods in Central Equatoria State, southern Sudan
(© 2011 Elsevier B.V.School of biological sciences, 2012)A participatory epidemiological (PE) study was conducted in Kajo Keji and Yei Counties, Central Equatoria State, southern Sudan to assess the impact of livestock diseases on livelihoods. A serological survey of tick-borne ... -
Assessment of soil seed bank from six different vegetation types in Kakamega forest, Western Kenya
(© 2011 Academic JournalsSchool of biological sciences, 2011-10)Kakamega forest, the only rainforest in Kenya, has faced extensive fragmentation and degradation over the last decades. Slow recovery of degraded areas is due to slow or no natural regeneration. An assessment was conducted ... -
High-Frequency Regeneration of the Drought-Tolerant Tree Melia volkensii Gurke Using Low-Cost Agrochemical Thidiazuron
(Hindawi Publishing CorporationSchool of biological sciences, 2012-10)Melia volkensii Gurke is a drought-tolerant tree native to East Africa’s arid and semiarid lands (ASALs), with vast but underutilized potential for agroforestry and sustainable livelihoods in the ASALs. Its cultivation ... -
Bird species richness and abundance in different forest types at Kakamega Forest, western Kenya
(© NISC Pty LtdSchool of biological sciences, 2008)The avifauna of differently disturbed forest types of Kakamega Afrotropical forest were compared from December 2004 to May 2005. A total of 11 220 individual birds comprising of 129 bird species were recorded. Significant ... -
Occurrence of Fusarium species and associated T2-toxin in Kenyan wheat
(© 2012 SciResSchool of biological sciences, 2012)Survey covering 120 wheat fields was conduc- ted in three wheat-growing districts of Kenya during the 2008 cropping season to determine the incidence of Fusarium head blight (FHB) and T2-toxin contamination in grain. FHB ... -
Effect of the cassava green mite, Mononychellus progresivus, on the development and reproduction of the introduced predatory mite, Phytoseiulus longipes (Acari: Tetranychidae; Phytoseiidae), at different temperatures
(© 2012 Systematic & Applied Acarology SocietySchool of biological sciences, 2012-11)The cassava green mite (CGM), Mononychellus progresivus Doresta allowed for a limited development of the predatory mite, Phytoseiulus longipes Evans at three experimented temperatures. When the predators were confined with ... -
Screening of Phyllanthus Species for Antimicrobial Properties
(School of biological sciences, 2012)The development of resistant pathogenic microorganism against conventional antibiotic drugs has risen to a point of global concern. New antimicrobial compounds with diverse chemical structures and novel mechanisms of action ... -
Spartial distribution of trichodermia spp.in Embu and Taita Regions,Kenya
(School of biological sciences, 2009-09)The distribution of Trichoderma species in soils of Embu and Taita benchmark sites in Kenya with relation to land use practices was investigated. The study areas were chosen because of their significant land use ... -
Host plant diversity of Sesamia calamistis : cytochrome b gene sequences reveal local genetic differentiation
(© 2008 The Netherlands Entomological SocietySchool of biological sciences, 2008)Sesamia calamistis Hampson (Lepidoptera: Noctuidae) is one of the indigenous stem borer pests associated with maize ( Zea mays L.) and sorghum [ Sorghum bicolor (L.) Moench] (both Poaceae) in Africa. Its pest status ... -
Th e role of wild host plants in the abundance of lepidopteran stem borers along altitudinal gradient in Kenya
(School of biological sciences, 2006)Presence of wild host plants of stem borers in cereal-growing areas has been considered as reservoirs of lepidopteran stem borers, responsible for attack of crops during the growing season. Surveys to catalogue hosts and ... -
Distribution, pest status and agro-climatic preferences of lepidopteran stem borers of maize in Kenya
(school of biological sciences, 2006)Lepidopterous stem borers are the main field insect pests that attack maize, Zea mays L. in tropical Africa. A survey was carried during the long and short rain cropping seasons of 2002 / 2003 across six main agro-climatic ... -
Composition of stem borer communities in selected vegetation mosaics in Kenya
(Springer Science+Business Media Dordrecht 2012school of biological sciences, 2011-07)Busseola fusca (Fuller), Sesamia calamistis Hampson, Chilo partellus (Swinhoe) and Chilo orichalcociliellus (Strand) are important stem borer pests of maize and sorghum in East Africa. Persistence of these pests in crop ... -
Capillary electrophoresis-based methods for the determination of lipids—A review
(© 2008 Elsevier B.Vschool of biological sciences, 2008)Capillary electrophoresis (CE) is a high-resolution technique for the separation of complex biological and chemical mixtures. CE continues to emerge as a powerful tool in the determination of lipids. Here we review the ... -
Diversity and abundance of wild host plants of lepidopteran stem borers in two agro-ecological zones of Kenya
(school of biological sciences, 2008)A survey was carried out between 2005 and 2006 in two ecologically different localities, Suam and Mtito Andei, to assess diversity and abundance of wild host plants of lepidopteran stem borers during the cropping and ... -
Human Impacts on Two Wetlands in the Nairobi National Park, Kenya
(2012-03)Environmental gradients in physico-chemical properties and distance to human settlements at two wetlands (around Hyena and Nalogomon dams) in the Nairobi National Park were studied. Ordination showed that over 84% of the ... -
Prevalence and antimicrobial resistance pattern of Salmonella in animal feed produced in Namibia
(© Istituto G. Caporale 2012school of biological sciences, 2012-06)The occurrence of Salmonella is a global challenge in the public health and food production sectors. Our study investigated the prevalence, serovar and antimicrobial susceptibility of strains of Salmonella serovars isolated ...
