Masters: Recent submissions

Now showing items 241-260 of 325

Genetic variation in two populations of the brown ear tick, Rhipicephalus Appendicula tus, in Kenya

Baliraine, Frederick N (University of Nairobi., 1999)

Several studies have shown that Rhipicephalus appendiculatus from geographically isolated areas differ in their susceptibilities to Theileria paIva, the haemoprotozoan causative agent of East Coast Fever. In Kenya, R. ...
Probing The Trans-Sialidase Activity Of The Neuraminidase Derived From Human Influenza A (H3n2) Virus

Aluvaala, Eva Kalemera (Jomo Kenyatta University of Agriculture and Technology, 2011)

Sialo-oligosaccharides are found on the distal ends of glycans present on mammalian cell surfaces. They play major roles in cell growth, function, and are determinants of many disease states. Due to the important physiological ...
Cultural and botanical methods for the management of thrips on french beans Phaseolus Vulgaris

Siguna, Aduda Safan (Kenyatta University, 2015)

French bean is the most important export vegetable crop cultivated in Kenya. Pests and diseases are the major constrains to its production. The major pests of French beans are bean flies, thrips, and bean aphids. Amongst ...
Community dynamics and diversity of ground dwelling arthropods assemblages in a maize based agroforestry system in Mtwapa, coastal Kenya

Kamunya, Esther Wairimu (Kenyatta University, 2002)

The effect of diversification and intensification in agro ecosystems to arthropod diversity is not well understood, mainly because conservationists have greatly ignored agroecosystems, while most of the research work has ...
An interaction model between Cotesia flavipes and Cotesia sesamiae, parasitoids of the gramineous stem-borers at the Kenya Coast

karuku, muriithi (Kenyatta University, 2002)

One of the greatest challenges facing the people of sub-Saharan Africa is the production of sufficient food to feed a rapidly increasing population in the face of dwindling finances. As the population grows at 3% and food ...
Identification of kairomones mediating interactions of the malaria vector anopheles gambiae with its host plants

Nyasembe, Vincent odhiambo (university of Nairobi., 2012)

Malaria remains a major health problem in africa, with anopheles gambiae giles as the principle vector. Plant nectar feeding forms an integral part of the vectorial capacity of this mosquito species, yet paucity of information ...
Effects of metarhizium anisopliae application o~ the diversity of plants, ants, cockroaches and mantids associated with odontotermes termite mounds at mpala research centre - laikipja district (central kenya)

Adhiambo, Abonyo, Esther (Kenyatta University., 2011)

Termites are an important component of savanna ecosystems throughout Africa. They feed on dead and living plant cell wall material (wood, leaf litter, roots, dead herbs, grasses, dung and humus). They directly or indirectly ...
Relative Attractiveness of Anopheles Gambiae Mosquitoes to Synthetic Oduor Blends and Human Emanations

Olanga, Evelyn Adhiambo (Kenyatta University, 2010)

Mosquito host seeking behaviour is mediated by chemical, physical and visual cues. Identification of chemical and physical cues utilized by mosquitoes in host location can lead to the development of novel vector management ...
Efficacy of Metarhizium Anisopliae icipe 78 and Acaricides in the Management of the two-Spotted Spider Mite, Tetranychus Urticae (Acari: Tetranychidae), on French Beans, (Phaseolus Vulgaris l.)

Shivolo, Ottilie T (University of Nairobi, 2009)

French bean, (Phaseolus vulgaris) L. is key commodity for export in Kenya. The value of export increased from 4,466.7 Kenya Shillings in 2002 to 4,466.7 Kenya Shillings in 2006. Production of French beans is constrained ...
Enrichment, isolation and characterization of dichlorodiphenyltrichloroethane (ddt) microbial degraders from soils in kenya

Mwangi, Julius Kinuthia (Jomo Kenyatta University of Agriculture and Technology, 2009)

Dichlorodiphenyltrichloroethane (DDT) has been in use as an agricultural insecticide and as a disease vector control since 1939. Due to its persistence in the environment, its use has been surrounded by controversies ...
Screening Mosquitoes for Rift Valley Fever Virus and Blood Meal Sources during the 2006/2007 Outbreak in Kenya

Ouma, David Omondi (Egerton University, 2011)

Rift Valley Fever (RVF) is a mosquito borne viral infection, first reported in the Rift Valley province of Kenya in 1912 and identified in 1931. Major outbreaks have been reported in Kenya in 1997/1998 and 2006/2007. ...
Analysis of tsetse fly (diptera: glossinidae) blood meals using mitochondrial cytochrome genes for vertebrate host identification

Nyawira, Ngambi Catherine (Egerton University, 2009)

Information on the vertebrate hosts of blood feeding vectors forms a useful decision-making tool in the planning of tsetse fly control and eradication operations. The objective of this study was to investigate the utility ...
Effects of Neem and Pyrethrum on the Biology and Abundance of Liriomyza Huidobrensis( Diptera:Agromyzidae) and its Natural Enemy, Phaedrotoma Scabrieventris ( Hymenoptera:Braconidae)

Samita, Everlyne Namikoye (Kenyatta University, 2011)

French bean crop (Phaseolus vulgaris L.) is a major export vegetable which is a source of revenue and income to the people of Kenya. Challenges facing French bean farmers are mainly pests. The pests includes the exotic ...
Cross-mating and oviposition behaviour between strains of cotesia sesamiae. Cameron (hymenoptera: braconidae) from kitale, Mombasa and Mount Kenya.

Ndegi Mugambi Jane (Kenyatta University, 2010)

Stemborers cause 50% yield losses in cereal crops including maize, sorghum and sugarcane. In Kenya, stemborers include Busseola fusca, B. phaia, Sesamia calamistis, Eldana saccharina, Chilo orichalcociliellus and C. ...
Experimental Infection of Malaria Mosquitoes with Entomopathogenic Fungus, Beauveria Bassiana under Field Conditions

Busula, Obukosia Annette (University of Nairobi, 2012)

Many successful laboratory studies have demonstrated the potential of using the entomopathogenic fungus, Beauveria bassiana against malaria mosquitoes. This study focussed on infection of wild malaria mosquitoes with the ...
Effect of pineapple (ananas comosus l. Merrill) and papaya (carica papaya l.) Fruit extracts on sericin removal from silk moths cocoons in kenya

Wainaina, Pauline Wairimu (The School Of Pure And Applied Sciences Of Kenyatta University, 2010)

Sericulture (Silk farming) is the rearing of silk moths for the production of raw silk. Silk farming originated from China where it was secretly practiced for many years before spreading to other parts of the world. Silk ...
Characterization of Flavonoids from Candidate Striga Weed Controlling Food Legumes; Cicer arietinum L. and Vigna radiata L.

Anyango, Anna Akumu (Kenyatta University, 2013)

In Africa, intercropping of some legumes with cereal crops has been found to cause remarkable reduction of Striga infestation and improved production of cereal crop. Desmodium uncinatum controls Striga infestation in ...
Determination of the Putative Insect Vector of Napier Grass Stunt Phytoplasma using Molecular and Bioassay techniques in Western Kenya

Obura, Evans Odhiambo (ADDIS ABABA UNIVERSITY, 2008)

Sampling insects in and around Napier grass fields revealed that 21 Homopteran insect species exploit Napier Grass (Pennisetum purpureum Schumach 1827) canopy. Leafhopper Cicadulina sp., and plant hoppers; Leptodelphax ...
Economic Evaluation of Integrated Pest Management Technology for Control of Mango Fruit Flies in Embu County, Kenya

Kibira, Mary Njeri (Kenyatta University, 2015)

Mango is the third most important fruit in Kenya in terms of area and total production. Nutritionally, mango fruit is important for vitamins and mineral provision in the daily diet of Kenyans. As an export crop, mango earns ...
Entomopathogenicity of hyphomycete fungi to fruit fly bactrocera invadens (Diptera: Tephritidae) and their potential for biological control on mango

Ouna, Awuor Elizabeth (The School of Pure and Applied Sciences of Kenyatta, 2010)

Sustainable mango production will rely increasingly on alternatives to conventional chemical insecticides that are environmentally friendly for the management of fruit flies. The use of microbial control agents such as ...

Now showing items 241-260 of 325

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