Doctor of Philosophy (PhD): Recent submissions

Now showing items 261-280 of 373

Malaria vector Bionomics and the role of Microbial larvicides in anopheline Mosquito larval Management in ariceland agro-ecosystem

Mwangi, Muriu Simon (Nairobi University, 2009)

The current study was conducted with the aim of understanding the population dynamics of malaria vectors, their contribution to malaria transmission and potential role of Bacillus thuringiensis var israelensis and B. ...
Analysing the Role of Semiochemicals in the Oviposition Substrate Choices of the Malaria Vector Mosquito Anopheles Gambiae Sensu Lato

Okal, Michael Nyang’anga (London School of Hygiene and Tropical Medicine, 2015)

The search for tools that target malaria vector that resist insecticides and bite outdoors has become a research priority. Such tools will be necessary for managing residual malaria transmission and hastening the eradication ...
Bioecology of the New Invasive Fruit Fly Bactrocera Invadens (Diptera: Tephritidae) in Kenya and its interaction with Indigenous Mango-Infesting Fruit Fly Species

Rwomushana, Ivan (Kenyatta University, 2008)

Bactrocera invadens Drew, Tsuruta & White (Diptera: Tephritidae), an alien invasive fruit fly species of Asian origin was first detected in Kenya in 2003. This pest has rapidly spread across sub-Saharan Africa and is ...
The Identification of cereal volatile compounds that attract gravid malaria mosquito, Anopheles arabiensis Patton (Diptera: Culicidae)

Wondwoson, Betelehem (Addis Ababa University, 2016)

Malaria is a mosquito-vectored infectious disease, which causes serious human health problems in many endemic areas. The dominant malaria vectors in sub-Saharan countries are Anopheles gambiae, Anopheles coluzzii, Anopheles ...
Odour-Based Strategies for Surveillance and Behavioural Disruption of Host-Seeking Malaria and Other Mosquitoes

Mweresa, Collins K. (Wageningen University, 2014)

Malaria is one of the most important diseases that threaten the lives of a large proportion of the human population in the tropics. Currently, the application of novel technologies for malaria control is encouraged to ...
Potential of entomopathogenic fungi in the control of economically important spider mites species Tetranychus urticae koch and tetranychus evansi Baker & Pritchard

Bugeme, David Mugisho (Jomo Kenyatta University, 2008)

The two-spotted spider mite, Tetranychus urticae Koch, and the tomato spider mite, T. evansi Baker & Pritchard (Acari: Tetranychidae), are among the most important pest of horticultural crops, such as tomato, beans, cur ...
Behavioural effects of fungal infection by Metarhizium anisopliae in adult malaria mosquitoes

Ondiaka, Sopher N. (Wageningen University, 2012)

Malaria remains a major global health problem with the burden of disease greatest in Sub-Saharan Africa. The strategies for malaria control differ throughout the world according to levels of endemicity and the magnitude ...
Resistance mitigating effect of Artemisia annua phytochemical extracts in cultures of Plasmodium falciparum and in -Plasmodium berghei and Plasmodium yoelii

Kangethe, Lucy Nyambura (Jomo Kenyatta University of Agriculture and Technology, 2016)

The emergence and spread of multidrug resistant Plasmodium falciparum has severely limited therapeutic options for the treatment of malaria. With ever-increasing failure rates associated with chloroquine or sulphadoxine- ...
Ecological and physiological adaptations of malaria vectors in a semi-arid area in Baringo district, Kenya

Mala, Albert O (University of Nairobi, 2011)

Longitudinal entomological sampling was executed to study physiological and ecological adaptations of malaria vectors at two semi-arid villages (Kamarimar and Tirion) in Kenya. Adult mosquitoes were sampled using CDC light ...
Relationship between virulence and repellency of metarhizium anisopliae and beauveria bassiana towards macrotermes michaelseni and chemical identification of the mediating signals

Mburu, David Mwangi (Jomo Kenyatta University, 2009)

It is not well understood how termites survive in hemiedaphic habitats with diverse array of potentially infective fungi. In the present study, it was initially found that Macrotermes michaelseni detected a virulent isolate ...
Potential of Integrating Calpurnia aurea with Entomopathogenic Fungus Metarhizium anisopliae for the Control of Rhipicephalus appendiculatus and Rhipicephalus pulchellus

Nana, Paulin (Jomo Kenyatta University of Agriculture and Technology, 2010)

Ticks of the genus Rhipicephalus are important parasites of livestock in the world. Rhipicephalus ticks cause huge economic losses to cattle and have a great capacity to develop resistance to chemical acaricides. There ...
Anopheles larval productivity and diversity in Mwea irrigation scheme, Kirinyaga district, kenya

Mwangangi, Joseph Mumo (Kenyatta University, 2006)

The use of irrigation to flood agricultural land during rice cultivation has over the years been associated with an increase in the number of disease vectors and corresponding increase in health burden due to malaria and ...
Basis of Host Plant Recognition and Acceptance by Busseola Fusca (Fuller) (Lepidoptera: Noctuidae) Larvae

Juma, Gerald (Jomo Kenyatta University of Agriculture and Technology, 2010)

Busseola fusca (Fuller) (Lepidoptera: Noctuidae) is an important pest of maize and sorghum in sub-Saharan Africa whose larvae exhibits oligophagic than polyphagic feeding habits. The host plants for this species are ...
Evaluation of Entomopathogenic Fungal Isolates for Management of Rhopalosiphum Padi and Metopolophium Dirhodum in Wheat (Triticum Aestivum)

Murerwa, Patrick (Egerton University, 2015)

The success of entomopathogenic fungi as microbial control agents ultimately depends on the use of the right propagule, formulated in an optimum fashion and applied at the right time to a susceptible host. In this study, ...
Evaluation of soya bean and sesbania sesban for soil fertility replenishment, increased rice yield and enhanced incomes

Wanjogu, Raphael K (University of Nairobi, 2011)

This study focused on the development of practical agro-ecosystem measures aimed at enhancing agricultural productivity while simultaneously reducing malaria vector populations for improved household incomes in irrigated ...
Distribution patterns, dispersal and population genetics of anopheline mosquitoes along the kenyan coast

Midega, Janet Theresa (2008)

Studies on the distribution patterns, dispersal and population genetics of Anopheles gambiae (Diptera: Culicidae) and Anopheles funestus (Diptera: Culicidae) were conducted at two sites, i.e Jaribuni and Mtepeni in Kilifi, ...
Gene Pool Organization, Population Genetics and Wild-Crop Complex Dynamics of Cowpea (Vigna Unguiculata)

Kouam, Eric Bertrand (Kenyatta University, 2009)

Cowpea is a tropical legume contributing significantly to food security in developing countries, especially in Africa. This research project was motivated by the upcoming introduction of Bt cowpea in Africa, likely to ...
Optimization of semio-chemicals for savannah tsetse control through 'push','pull' and 'push-pull' tactics in Kenya

Oduor, Ohaga Spala (Kenyatta University, 2008)

A synthetic repellent for savannah tsetse (2-methoxy-4-methylphenol), which is a synthetic analogue of a mild natural repellent (2-methoxyphenol), found in the body odours of tsetse bovid hosts was recently identified. ...
Host Suitability and Interspecific Competition among the West African Stemborer Egg Parasitoid Telenomus Isis and Other Indigenous Egg Parasitoids in Kenya

Anani, Yaovi Bruce (Kenyatta University, 2008)

In East and Southern Africa (ESA), the noctuid Busseola fusca and the exotic crambid Chilo partellus are among the most important lepidopteran stemborer pests of cereal crops. In western Africa, the scelionid egg parasitoids ...
Role of Wild Host Plants in Population Dynamics of Cereal Stemborers and the Associated Parasitoids in Uganda

Kauma, Teddy Matama (Kenyatta University, 2006)

Lepidopteran stemborers attack several graminaceous and wild host plants. These pests are one of the major constraints to maize production in Africa. However, efforts to control stemborers have aimed at cereal crops and ...

Now showing items 261-280 of 373

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