Theses and Dissertations: Recent submissions
Now showing items 12641-12660 of 49224
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Efficacy of hexanal as a potential preservative of papaya (carica papaya l.) fruit.
(University of Nairobi, 2018)Fruits are rich in vitamins and antioxidants that are required in our daily diets. Papaya fruit for instance, is rich in pro-vitamin A and vitamin C that provide humans with a protective effect against cancer and other ... -
Evaluation of promiscuous soybean varieties for agronomic and grain quality traits in maize/soybean inter-cropping systems in Kenya.
(University of Nairobi, 2017)Soybeans which nodulate effectively with diverse indigenous rhizobia are considered as promiscuous. As such, determination of their suitability in the intercrop system is important. Three varieties namely ; GAZELLE, SB19 ... -
Genetic analysis of sweet potato (ipomoea batatas (l) lam) genotypes for beta carotene content and root yield in Kenya.
(University of Nairobi, 2017)Vitamin A deficiency is a major challenge in most of the African countries including Kenya. Several strategies have been applied to fight this challenge, but the most effective strategy is the improvement of the available ... -
Evaluating performance of rainwater harvesting technologies in Mwingi central sub-county, Kenya.
(University of Nairobi, 2018)The purpose of the study was to evaluate the performance of the rainwater harvesting (RWH) systems in the study area. An inventory of existing rainwater harvesting technologies and mapping of key watering points in the ... -
Comparison of three design standards on Nakuru – Nyahururu road of flexible pavements in Kenya.
(University of Nairobi, 2018-05)The study road Nakuru – Nyahururu diverts from A109 Highway in Nakuru town passes through mountainous escarpments and small towns like Bahati, Subukia and the seat of Laikipia County (Nyahururu). It covers a total distance ... -
Resistance of common bean genotype to foliar fungal and bacterial diseases.
(University of Nairobi, 2018)Foliar diseases have been reported to cause 45 to 100% of grain losses in common bean. However, conventional management strategies are not effective and sustainable to combat the bean yield losses. The use of host plant ... -
Budgeting Processes, Internal Controls, Organizational Characteristics and Performance of Selected Protestant and Evangelical Churches in Kenya
(University of Nairobi, 2018)The study sought to establish the effect of Internal Controls and Organizational Characteristics on the relationship between the budgeting process and the performance of Churches in Kenya to address identified gaps in the ... -
Diversity of ticks and tick-borne protozoan parasites from livestock and wildebeests at the Maasai-mara wildlife- livestock interface, Narok county, Kenya.
(University of Nairobi, 2018-04)Wildlife-livestock interfaces are hotspots for tick-borne livestock diseases, which cause high mortalities and morbidity. Wild bovines in these interfaces play a major role in maintaining tick vectors and tick-borne ... -
Efficacy of selected biological and synthetic agents in the management of plant parasitic nematodes in tissue culture banana
(University of Nairobi, 2018)Pratylenchus spp. and Meloidogyne spp. are key pests of banana in Kenya. Tissue cultured banana plantlets are considered clean for planting but infestation with these pests has been increasing due to the state of the soil ... -
Drought tolerance in andean and mesoamerican genotypes of the common bean.
(University of Nairobi, 2018)Dry bean (Phaseolus vulgaris L.) is a popular legume sensitive to water stress especially during reproductive development phase. Adaptation to drought stress is therefore an increasingly important trait in production of ... -
Influence of teamwork approach on project performance: a case of road construction in Kericho County, Kenya
(University of Nairobi, 2018)Teamwork approach is a feature of the construction industry in the sense that construction projects are delivered by various professions who work as a team. These professionals may include architects, contractors, material ... -
Determinants of the sustainability of alphia plus water projects in public primary schools in Manga sub-county Nyamira County, Kenya
(University of Nairobi, 2018)Project Sustainability is a desire of every community, private agency or Government as a means of ensuring that positive gains are delivered to the target communities in long term. This phenomenon was brought to focus ... -
Breeding rice for grain yield, earliness and grain quality in Eastern Africa
(University of Nairobi, 2018)Rice is one of the most important cereal crops in Eastern Africa and it’s often ranked after sorghum, wheat and maize. Unfortunately, rice yield per hectare is low (<3.6 t ha-1) because smallholder farmers rely on local ... -
Phytochemical investigation of selected tephrosia species for antiplasmodial and anti-inflammatory principles
(University of Nairobi, 2018)Malaria is one of the major diseases affecting human beings, whose symptoms include pain and inflammation. It is caused by five Plasmodium species of which P. falciparum and P. vivax are the important causative agents of ... -
Evaluating institutional capacity for landslide disaster risk reduction: a case study of Mount Elgon region, Uganda
(University of Nairobi, 2018)Uganda is a high landslide disaster risk country that has put in place several risk reduction institutions. However, the capacity of formal institutions to achieve landslide disaster risk reduction in the Mount Elgon region ... -
Strategies to reduce microbial and chemical contamination in waste water irrigated vegetables in Nairobi, Kenya.
(University of Nairobi, 2018)The use of wastewater in urban agriculture is continually increasing due to lack of clean water for irrigation and this has made contamination of produce to be witnessed in many countries. The study was on evaluation of ... -
Effects of project organizational structures on an organization’s performance: a case of Nyankoba tea factory,Nyamira County
(University of Nairobi, 2018)The study focused on the effects of project organizational structure on an organization’s performance: a case of Nyankoba tea factory, Nyamira County guided by four specific objectives namely: To establish the extent to ... -
Development of in vitro multiplication and acclimatization protocols for melia volkensii.
(University of Nairobi, 2018)Melia volkensii is a medicinal and ornamental tree plant which contributes to the farmer’s income generation in dryland areas of Eastern Africa. It is normally propagated using seed which has been reported to be hard and ... -
Institutional factors influencing innovation of technological products and processes: a case of firms in the telecommunications sector in Kenya
(University of Nairobi, 2018)The main purpose of the study was to determine the influence of various institutional factors on innovation of technological products and processes in Kenya’s telecommunications sector. The study was guided by five research ... -
On equivalence of some operators and topology of invariant subspaces
(University of Nairobi, 2018)In this project we investigate the invariant and hyper-invariant subspace lattices of some operators. We give a lattice theoretic description of the lattice of hyper-invariant subspace of an operator in terms of its ...
