Masters: Recent submissions

Now showing items 281-300 of 325

Evaluation of Biopesticides in Control of Red Spider Mites ( Tetranychus Evansi) on Tomatoes Lycopersicum Esculenlum

Kithusi, Gladys (University Of Nairobi, 2005-01)

Three neem-based biopesticides, namely Achook (0.15% Azadirachtin), Neemroc (0.03% Azadirachtin + 32% neem oil) and Neem + Com (0.03% Azadirachtin + 32% com oil) and one garlic-based product, namely GC- mite (40% garlic ...
Chemical Ecology of the Coffee Berry Borer, Hypothenemus Hampei Ferrari (Coleoptera: Scolytidae): The Role of Two Spiroacetals in the Insect-Host Communication System

Njihia, Teresiah Nyambura (Jomo Kenyatta university of Agriculture and Technology, 2015)

The Coffee Berry Borer, Hypothenemus hampei Ferrari is the most important pest of coffee worldwide. The predominant method for the pest control is application of broad spectrum pesticides, but they are often toxic to humans ...
Potential Economic Impact Of Integrated Thrips Management In French Bean And Tomato In Loitokitok And Mwea Sub – Counties Of Kenya

Mujuka, Esther A (University of Nairobi, 2016)

In Kenya, thrips inflict nearly 60-80% and 80% yield loss in French bean and tomato, respectively. Management of thrips in horticulture is currently based on application of pesticides. In addition to increased environmental ...
Efficacy of Xanthopimpla stemmator against selected lepidopteran pest and its interaction with pupal endoparasitoid pediobius furvus in graminaceous plants in Kenya

Muturi, Jamleck (kenyatta university, 2004)

Chilo partellus (Swinhoe) (Lepidoptera: Crambidae) is a major pest and a threat to cultivated poaceous plants in many parts of Africa. The adverse ecological and environmental effects as well as the cost of chemical ...
Potential Application of Variable Surface Glycoproteins in Diagnosis of Trypanosoma brucei rhodesiense

Mule, Simon Ngao (Jomo Kenyatta university of Agriculture and Technology, 2016)

Sleeping sickness, also known as human African trypanosomiasis (HAT), is a neglected tropical disease caused by two subspecies of Trypanosoma brucei namely T. b. gambiense and T. b. rhodesiense. Trypanosoma b. gambiense ...
A Surveillance Study on Tick and Tick-Borne Pathogen diversity in Shimba Hills National Reserve, Kenya

Mwananje, Micky Mwamuye (University of Nairobi, 2015)

Outbreaks of emerging and re-emerging tick-borne pathogens are becoming more frequent worldwide. Surveillance is critical to improve our understanding of pathogen diversity and their tick vectors. This will elucidate disease ...
Enhancing Cowpea Production through Arbuscular Mycorrhizal Fungi Inoculation and Wide Interspecific Crosses

Oruru, Marjorie Bonareri (Kenyatta University, 2016)

Cowpea is a multipurpose legume crop that serves as human food, livestock fodder, and income source and is widely produced in sub-Saharan Africa. Soil fertility and attack by insect pests and diseases are significant ...
Studies on Species Diversity, Host Preference, Host Suitability, Longevity and Fecundity of Native Egg Parasitoids of Stemborers in Semi-Arid Kenya

Okoth, Ouma Raballah (Kenyatta University, 2005-05)

Infestation and damage by lepidopteran stemborers is one of the major causes of low maize yields in Kenya. Among the biological management options of stemborers, egg parasitoids are some of the potential agents that can ...
Genome Sequence Of Tsetse Polydnavirus: Insights Into Symbiotic Virus Evolution

Kimenyi, Kelvin M (University of Nairobi, 2016)

Tsetse flies are the sole vectors of African trypanosomiasis in humans (sleeping sickness) and animals (nagana). The whole genome sequence of the tsetse fly Glossina morsitans morsitans revealed the presence of putative ...
Assessment of Rodents’ Postharvest Losses in On-Farm Maize Storage in Kenya

Ognakossan, Kukom Edoh (Jomo Kenyatta university of Agriculture and Technology, 2017)

Rodents are one of the major postharvest pests that affect food security by impacting on both food availability and safety. However, knowledge of the impact of rodents in on-farm maize storage systems in Kenya is limited. ...
Studies on potential of companion crops in managing the diamondback moth, Plutella xylostella (L.) (Lepidoptera: plutellidae) in cabbage/kale cropping systems in Kenya

Makatiani, Jacqueline (Kenyatta University, 2003-07)

The diamondback moth (DBM), Plutella xylostella (L.) (Lepidoptera: Plutellidae) is a major pest and threat to brassica production in many parts of Africa. The adverse ecological and environmental effects as well as the ...
The Spatial Distribution of Mosquitoes Related To the Environment on Rusinga Island, Western Kenya

Vreugdenhil, Corné (Wageningen University and Research Centre, Netherlands, 2014)

The SolarMal project on Rusinga Island, Western Kenya, aims to eliminate malaria by reducing the mosquito population, using a new developed mosquito trap which will be installed at all households on the island. The effect ...
Mapping of the Honey Value Chain and Analysis of Changes in Gender Roles and Factors Influencing Women Empowerment among Beekeepers in Kitui County, Kenya

Mburu, Peter Dennis M (University of Nairobi, 2015)

Beekeeping is an important activity that helps rural communities to raise additional income to improve their livelihoods. Often, among rural beekeeping households, it has been widely adopted as an income diversification ...
Gene Expression Profiling of Odorant Binding Proteins in the Tsetse fly Glossina brevipalpis

Murithi, Mary, K. (Jomo Kenyatta university of Agriculture and Technology, 2016)

Glossina brevipalpis is a vector of trypanosomes that cause Animal African Trypanosomiasis. Chemoreception in tsetse flies is critical for identifying larvipositioning sites, hosts and mates. Odorant binding proteins (OBPs) ...
Heavy Metals in Sugarcane Juice and Soils: a Comparative Study of Part of Nairobi River Basin and Nyahururu Farms

Kamau, Solomon (University of Nairobi, 2016)

The contamination of food is increasingly becoming a concern in developing countries due to the mounting amounts of heavy metals in urban environments. Juices are common beverages in the usual diet and contribute significantly ...
The Role of Social Capital in Malaria Control in Nyabondo, Western Kenya

Mensah, David (Jomo Kenyatta university of Agriculture and Technology, 2015)

By 2015, target 8 of the United Nations Millennium Development Goal number six aimed to have halted and began to reverse the incidence of malaria and other major diseases. One of the strategies through which this target ...
Characterization of Xenorhabdus Spp. Xptb1 and Xptc1 Toxin Genes and Effect of the Bacteria on Chilo Partellus and Busseola Fusca.

Nyongesa, Lorine, N (University of Nairobi, 2016)

Xenorhabdus spp. (Enterobacteriaceae) are endosymbionts of entomopathogenic nematodes from the Steinernema genus. They cause insect mortality by producing potent insecticidal toxin complexes composed of XptA1, XptA2 (class ...
In Silico and Molecular Analysis of Xpta Protein Toxin Genes of Xenorhabdus Sp. and Efficacy of the Bacterium on Sitophilus Zeamais and Prostephanus Truncatus

Ng'ang'a, Peter, N (University of Nairobi, 2015)

Bacteria of the genus Xenorhabdus are entomopathogens that produce insecticidal protein toxins against a wide range of insects. The main proteins involved are the Xenorhabdus protein toxins (Xpts), categorized as class A, ...
Effects of Hermetic Bag Storage on Insect Pest Damage, Mould Infection and a Flatoxin Contamination on Maize Grain in Makueni County, Kenya

Ng’ang’a, Jeremiah Kinuthia (Jomo Kenyatta university of Agriculture and Technology, 2016)

For centuries, maize producers in sub-Saharan Africa have been plagued by post-harvest losses from insect infestation and mould infections, with small-scale producers representing the most vulnerable populations. Participatory ...
Seasonal Abundance of Amaranth Lepidopteran Defoliators and the Role of Indigenous Parasitoids and Phenylacetaldehyde in their Control in Nairobi County, Kenya

Omburo, Stephen Tarmogin Othim (Kenyatta University, 2016)

Amaranth is one of the African indigenous vegetables that is gaining popularity due to its nutritional, medicinal and economic values. Its potential as a source of food security in East Africa and most parts of the world ...

Now showing items 281-300 of 325

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