Browsing Masters Theses:Department of Biological Sciences by Issue Date
Now showing items 1-20 of 34
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The Effects of Herbivory on interactions of pollinators and flowers in Acacia SPP. (Fabaceae,mimosoideae) in Laikipia
(Kenyatta University, 2005)Acacia trees are among the most dominant tree species found in semi arid ecosystems with a vast geographical distribution throughout the savanna habitats. The trees are leguminous and have remarkable ability to fix nitrogen ... -
Cytokine Levels and T cell Apoptosis Associated With Cerebral Malaria Immunopathology During Plasmodium berghei Anka Infection In A Mouse Model
(2013)During the course of malaria infection, a range of pro- and anti-inflammatory cytokines are produced by the host immune system. Successful recovery from malaria involves striking a balance between these counteracting ... -
Genetic Diversity of Aphid Species Attacking Amaranth and Nightshades in Different Agro-Ecological Zones of Kenya and Tanzania
(University of Embu, 2016-09)Aphids are the major pests of vegetables leading to a significant yield loss in African indigenous vegetables including amaranth and nightshades. Information on the types of aphids that infest these vegetables and their ... -
Competence of Tropical Maize Lines to Agrobacterium-Mediated Transformation and the Expression of Maize Poly (ADP-Ribose) Polymerase (PARP2) Gene under Drought Stress.
(Kenyatta University, 2017)Drought stress affects many maize growing regions in sub-Saharan Africa. As population increases, the gap between maize supply and demand increases. There is, therefore, need to develop maize lines that are tolerant to ... -
Phytoplankton Composition, Growth Rates and Oil Production Potential of Fast Growing Species from Lake Naivasha and Water Reservoirs at Embu University College
(University of Embu, 2017-01)The demand for non-renewable fossil fuel has greatly increased in the last few years from 84 million barrels of fossil fuel per day in 1980’s to over 100 million barrels per day in 1990. To supplement this demand, research ... -
Drought prevalence in the horn of Africa and its implications on forest cover: a Case Study of Somalia
(University of Embu, 2020-11)Somalia is one of the most drought prone countries in Africa. Drought is the country’s costliest natural disaster. The impact of drought events on the economy, on people`s livelihoods and on lives has grown. Drought events ... -
Bioprospecting for Cyanophages with Biocontrol Potential against Toxin Producing Cyanobacteria in Lake Magadi, Kenya
(University of Embu, 2020-11)Cyanobacteria are a phylum of blue-green algae in the domain bacteria that get their energy from sun light through photosynthesis. In anaerobic environments, photoautotrophic blue green algae derive electrons by reduction ... -
Inheritance patterns of morphological Characters and the karyotype of crotalaria Species in kenya
(Mercy Achieng Wasonga, 2020-11)Slender leaf (Crotalaria spp.) is an African indigenous leafy vegetable with high nutritional benefits. However, despite these benefits, this vegetable has been neglected in terms of research, and information on breeding ... -
Bacterial food contaminants in vended fast foods, soil and water in embu town, kenya
(SUSAN WAIRIMU MURIUKI, 2020-11)Ready to eat fast food vending business has grown exponentially however, the microbiological safety of most of these fast foods is questionable. Despite the cholera outbreak in Embu in 2017, diminutive information exists ... -
Drought Prevalence in the Horn of Africa and Its Implications on Forest Cover: A Case Study Of Somalia
(University of Embu, 2020-12-11)Somalia is one of the most drought prone countries in Africa. Drought is the country’s costliest natural disaster. The impact of drought events on the economy, on people`s livelihoods and on lives has grown. Drought ... -
Anti-Cancer and Anti-Inflammatory Secondary Metabolites of Fagaropsis Angolensis (Engl.) H.M. Gardner
(University of Embu, 2020-12-11)Cancer has become a key public health affliction worldwide. Recent studies have shown that genetic factors cause only 5–10% of all human cancers, while the rest are caused by lifestyle. Epidemiological and clinical studies ... -
Response of Spk 004 to Meloidogyne Species Infestation and Impact of Sweet Potato Management Practices on Nematofauna in Mwea, Kenya
(University of Embu, 2020-12-11)Sweet potato (Ipomoea batatas L.) is an important food crop consumed throughout Africa. However, sweet potato yields are greatly reduced by pests including plant parasitic nematodes. Management of nematodes in sweet ... -
Microbial Community Diversity and Structure within Organic and Conventional Farming Systems in Central Highlands of Kenya
(University of Embu, 2020-12-11)Microbial diversity and function in agro-ecosystems is influenced by various aspects linked to soil and agronomic practices for example, tillage, irrigation, crop rotation and application of organic and inorganic inputs. ... -
Diversity and Biological Control Potential of Haloalkaliphilic Fungi from Lake Magadi, Kenya
(University of Embu, 2020-12-11)Fungi are eukaryotic microorganisms that have simple multicellular or unicellular cell structures. They are distributed in terrestrial soils, forests, aquatic habitats and in extreme environments with high ambient salts, ... -
Mitigation of Crop-Raiding Wild Boars in Selected Counties in Sweden: Assessing Feasibility of Electric Fences and Supplementary Feeding
(University of Embu, 2022-04-06)Wild boar (Sus scrofa) is a wild Suidae native in Europe, North West Africa and Asia. The population of wild boar has drastically increased during the last threedecades in Southern and Central Sweden. This increase in ... -
Influence Of Drought On Interactions Among Aphids, Aphid Predators And Fusarium Infection On Barley Crop In Sweden
(University of Embu, 2022-09-20)Climate-change leads to extreme droughts, but it is difficult to predict how crop pests are affected. Drought may alter behavior of crop pests such as aphids that facilitate transmission of pathogens like Fusarium ... -
Putative Functions of Novel Antennae Chemosensory Gene Repertoire of Male Tsetse Fly, Glossina Morsitans Morsitans
(UoEm, 2022-11)Tsetse fly is a primary vector of Human African Trypanosomiasis and Animal African Trypanosomiasis. Tsetse fly exploits chemical cues from the environment to distinguish a non- from suitable hosts. Genes in tsetse fly ... -
Putative Functions of Novel Antennae Chemosensory Gene Repertoire of Male Tsetse Fly, Glossina morsitans morsitans
(BILLIAH KEMUNTO BWANA, 2022-11)Tsetse fly is a primary vector of Human African Trypanosomiasis and Animal African Trypanosomiasis. Tsetse fly exploits chemical cues from the environment to distinguish a non- from suitable hosts. Genes in tsetse fly ... -
Cover Change and Vegetation Carbon Stocks of Mangrove Forests in Lamu County, Kenya
(UoEm, 2023-04)Mangroves around the world are being threatened by a combination of natural and human factors. Losses of mangroves leads to reduced forest cover and enhanced carbon emission. This study assessed cover change, forest ... -
Value chain and unstainability of Mangrove Wood Harvesting In Lamu County, Kenya
(UoEm, 2023-06)Mangrove forests provide harvestable wood and non-wood resources to human society around the world. The current study evaluated value chain of mangrove wood products from Lamu County, Kenya, and how these impacts on ...
