Browsing Department of Biological Sciences by Title
Now showing items 159-178 of 181
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RELATIVE ABUNDANCE AND DISTRIBUTION OF STEM BORERS IN INTERCROPS OF Zea mays L., Sorghum bicolor L. AND THREE GRAMINAE REFUGIA IN TRANS-NZOIA COUNTY.
(University of Eldoret, 2012)This study aimed at determining the relative abundance and distribution of stem borers in intercrops of Zea mays L. and Sorghum bicolor L. and three graminae refugia due to the great economic damages caused by the stem ... -
REPRODUCTIVE HORMONE CONCENTRATIONS AND HISTOLOGY OF THE HYPOTHALAMUS, PITUITARY, OVARY, UTERUS AND LIVER OF RABBITS FED ON AFLATOXIN LACED DIETS
(University of Eldoret, 2022-11)Aflatoxin effect on the liver, results in cellular hepatic damage which inhibit enzyme synthesis or lipid metabolism, causing decreased synthesis of precursor molecules for gonadal and gonadotropic hormones. The presence ... -
RESPONSE OF SELECTED GRAIN SORGHUM LINES TO WATER STRESS
(University of Eldoret, 2014)Sorghum (S. bicolor (L.) Moench) is an important cereal crop in drier areas of the world where drought is a major cause of low yields. Drought can occur at any stage of growth of sorghum in the field. It is characterized ... -
Review on the Socio-Economic Impacts of Trypanosomiasis
(Africa Environmental Review, 2022)Trypanosomiasis is a parasitic disease thatcauses Animal African Trypanosomiasis, also known as nagana in animals and zoonotic Human African Trypanosomiasis, also referred to as sleeping sickness in humans. Tsetse ... -
The Rodent Pest Species Infesting Maize (Zea mays L) and Wheat (Triticum aestivum L) Farms at University of Eldoret, Uasin Gishu County, Kenya
(University of Eldoret, 2023-04)Rodents are pests of concern in Kenya, as they cause considerable damage to cereal during pre harvest and post-harvest period and therefore affecting food security by impacting on both food availability, quantity and ... -
SEASONALVARIATIONS ON FLAVONOID BIOSYNTHETIC PATHWAY PROCESSES IN Camellia sinensis (L) O Kuntze OF SELECTED KENYAN CULTIVARS
(University of Eldoret, 2019)Globally, production of black tea has been on an increasing trend. This has posed a challenge on the market prices due to glut in the market. Thus need for diversification of tea products. Flavonoids are good antioxidants ... -
SIMPLE SEQUENCE REPEAT ANALYSIS OF 2015 WHEAT STEM RUST PATHOGEN (Puccinia graminis f. sp. Tritici); (Pgt) POPULATION IN KENYA.
(University of Eldoret, 2019)Wheat (Triticum aestivium) production in Kenya is severely hampered by emerging and re-emerging pathogens, stem rust Ug99 and related race group being one of the major constraints. The challenge has been largely attributed ... -
SPATIAL VARIATION IN SOME ASPECTS OF BIOLOGY OF Barbus altianalis(Boulenger, 1900) ALONG RIVER NYANDO, KENYA
(University of Eldoret, 2016)This study aimed at determining the spatial variation in condition factor and growth patterns, fecundity, gonadal maturity stages and feeding habits of B. altianalis and further correlates its feeding aspects with selected ... -
Spatial-Temporal Occurrence of Sea Urchins and their Grazing along Diani-Chale Lagoonal Reefs, Mombasa
(African Journal of Education, Science and Technology, 2022)Seagrass plays a key role in coastal ecosystems influencing environmental abiotic parameters and supporting a great abundance and diversity of species belonging to many phyla. Overgrazing by herbivores has been postulated ... -
SPATIO -TEMPORAL DISTRIBUTION AND RISK FACTORS ASSOCIATED WITH PHLEBOTOMINE SAND FLIES AND LEISHMANIASIS IN Mt. ELGON REGION, KENYA
(2018)This study determined the spatio–temporal distribution, natural infection and risk factors associated with phlebotomine sand flies and leishmaniasis in Mt. Elgon focus in 2015. Collections of sandflies were carried out ... -
SPATIO -TEMPORAL DISTRIBUTION AND RISK FACTORS ASSOCIATED WITH PHLEBOTOMINE SAND FLIES AND LEISHMANIASIS IN Mt. ELGON REGION, KENYA
(University of Eldoret, 2018)This study determined the spatio–temporal distribution, natural infection and risk factors associated with phlebotomine sand flies and leishmaniasis in Mt. Elgon focus in 2015. Collections of sandflies were carried out for ... -
The Susceptibility of Biomphalaria spp. from Mwea Irrigation Scheme in Kenya against Schistosoma mansoni Miracidia Infection
(J. Biomedical Science and Engineering, 2019)Schistosomiasis as a neglected disease is second to malaria in its adverse effect to public health and socioeconomics impact in the tropics and sub-tropical of the developing coun tries where 90% of 249 million people ... -
Taxonomy and Diversity of Vascular Plant Species in Cherangani Forest of Marakwet West in Kenya
(Africa Environmental Review, 2022)The availability of accurate and sufficient information on plant taxonomic groups and similarity measures is crucial for making informed conservation decisions.In many forests, due to human population pressure, ... -
TAXONOMY AND NUTRIENT COMPOSITION OF SPECIES IN THE Vernonia hymenolepis A. RICH. COMPLEX IN TROPICAL EAST AFRICA
(2016-05-20)Three Stengelioid species forming a complex in the genus Vernonia Schreber. in Tropical East Africa viz., Vernonia calvoana (Hook.f.) Hook.f., Vernonia hymenolepis A. Rich. and Vernonia tolypophora Mattf. were investigated ... -
TAXONOMY AND NUTRIENT COMPOSITION OF SPECIES IN THE Vernonia hymenolepis A. RICH. COMPLEX IN TROPICAL EAST AFRICA
(University of Eldoret, 2015)Three Stengelioid species forming a complex in the genus Vernonia Schreber. in Tropical East Africa viz., Vernonia calvoana (Hook.f.) Hook.f., Vernonia hymenolepis A. Rich. and Vernonia tolypophora Mattf. were investigated ... -
TAXONOMY, DIVERSITY, STRUCTURE, USES AND THREATS OF PLANT SPECIES IN CHERANGANI FOREST OF ELGEYO MARAKWET, KENYA
(University of Eldoret, 2023-07)The pursuit for a local floristic database amidst, uncontrolled resource uses, an alarming rate of forest destruction and loss of species informed the need for a botanical inventory in five blocks of Cherangani forest. ... -
TO EVALUATE THE OCCURRENCE, PREVALENCE AND DISTRIBUTION OF VARROA MITE (Varroa destructor) AND ASSOCIATED INSECT PESTS OF HONEY BEE (Apis mellifera) IN UASIN GISHU COUNTY, KENYA.
(University of Eldoret, 2017)The loss of Apis mellifera colonies in recent years has been in many regions of the world been alarmingly high. No single cause has been identified for these losses, but the interactions between several factors (mostly ... -
Uncovering the Interaction between Potassium, Magnesium and Sulfur on Cassava Growth and Root Yield
(Hill Publishing, 2022-10)wide range of yield limiting factors causes a large yield gap. Next to pests and diseases, nutrient deficiencies and imbalances are likely contributors to low yields. Cassava has a high potassium (K) demand, yet previous ... -
USE OF CONSTRUCTED WETLANDS AND SAND FILTERS TO IMPROVE THE QUALITY OF WATER IN BOMACHOGE-BORABU, KENYA
(University of Eldoret, 2016)Degradation of aquatic ecosystems resulting from pollution, poor waste disposal management practices and inadequate knowledge is of concern. Water sources in developing countries are abundantly contaminated with animal and ... -
USE OF SLOW SAND FILTRATION TO IMPROVE TREATED EFFLUENT AT BOUNDARY SEWAGE TREATMENT PLANT (ELDORET) FOR IRRIGATION
(University of Eldoret, 2014)Food insecurity in Kenya due to dependence on rainfall, coupled with drying up of rivers and wells during the dry season make it impossible to grow crops throughout the year. These factors have increased the demand on this ...