Browsing Faculty of Science & Technology (FST) by Title
Now showing items 1248-1267 of 4283
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Effectiveness of the predacious mite, Amblyseius gossipi as a predator of three tetranychid miets (Acarina: Phytoseiidae)
(1968)Test mites of Amblyseius gossipi Elbadry were confined to broad bean leaves in the laboratory at 26.5–28.5 C°. Adults A. gossipi fed readily on both adults and immatures of the spider mites Oligonychus mangiferus (R. & P.) ... -
Effects of a biologically active fraction from Melia volkensii on Culex quinquefasciatus
(1995)A chromatographically enriched fraction designated Fraction B from dry fruits of the plant Melia volkensii (family Meliaceae) was evaluated with the objective of determining its toxic and growth inhibiting effects on the ... -
The Effects of a DNA Virus Infection on the Reproductive Potential of Female Tsetse Flies, Glossina morsitans centralis and Glossina morsitans morsitans (Diptera: Glossinidae)
(University of NairobiSchool of Biological and Physical Sciences, 1998)Reproductive anomalies associated with the tsetse DNA virus infection in the female tsetse hosts, Glossina morsitans centralis Machado and Glossina morsitans morsitans Westwood, inoculated with the virus during the 3rd ... -
Effects of a prescribed dry season burn on a bushed East African grassland at Kiboko, Kenya.
(University of Nairobi,School of Biological Sciences, 1985) -
The Effects of a Tsetse DNA Virus Infection on the Functions of the Male Accessory Reproductive Gland in the Host Fly Glossina morsitans centralis (Diptera; Glossinidae)
(University of Nairobi,School of Biological and Physical Sciences, 1999)Freshly deposited third instar Glossina morsitans centralis larvae were infected with the tsetse DNA virus by microinjection, and at emergence adult males were separated from the females and fed on rabbit blood every second ... -
Effects of antioxidants on oxidation and storage stability of Croton megalocarpus biodiesel
(Springer, 2016)The effects of antioxidants and storage on oxidation stability of croton biodiesel and its blends with petro-diesel were determined using PetroOxy equipment. The biodiesel and blends were kept in Pyrex reagent bottles and ... -
Effects of avermectin B1 and fenvalerate on the survival, reproduction, and egg viability of the twospotted spider mite tetranychus urticae koch (Acari: Tetranychidae)
(University of NairobiSchool of Biological and Physical Sciences, 1985)The effects of avermectin B1 (AVMB1) and fenvalerate on the survival, reproduction, and egg viability of the twospotted spider mite, Tetranychus urticae Koch, was assessed in laboratory tests at 16°, 24°, and 34°C. AVMB1 ... -
Effects of bacteria, antibacterial compounds and trypanosomes on tsetse reproduction and longevity
(University of Nairobi.School of Biological Sciences, 1987-04)Haemocoelic injections of live Escherichia coli and oral administration of three tetracycline compounds, namely Reverin, Maxitet and Terramycin to female Glossina morsilans morsitans prior to their first larviposition, ... -
Effects of clay minerals on the stabilization of black cotton and lateritic soils.
(University of NairobiSchool of Biological and Physical Sciences, 1986)Abstract Not Available -
Effects of combining the fungi Beauveria bassiana and Metarhiziumanisopliae on the mortality of the tick Amblyomma variegatum (ixodidae) in relation to seasonal changes
(University of Nairobi.School of Biological Sciences, 2005-06)The effect of formulation, fungal concentration, type and seasonal changes on the mortality of the tick Amblyomma variegatum was investigated. A previous study demonstrated high pathogenicity of strains of the fungi Beauveria ... -
The effects of Cortisone on GABA metabolism on the rat hypothalamus and hippocampus
(University of Nairobicollege of biological and physical science, 1983) -
Effects of Electronic Mixing in Ruthenium(II) Complexes with Two Equivalent Acceptor Ligands. Spectroscopic, Electrochemical, and Computational Studies
(Department of Chemistry, 2010)The lowest energy metal to ligand charge transfer (MLCT) absorption bands found in ambient solutions of [Ru(NH3)4(Y-py)2]2+ and [Ru(L)2(bpy)2]+ complexes (Y-py a pyridine ligand and (L)n a substituted acetonylacetonate, ... -
Effects of fish and phosphorus on small, turbid ponds in east Africa
(University Of Nairobi, 1998) -
Effects of Foliar Fertilizer Application on Quality of Tea (Camellia sinensis) Grown in the Kenyan Highlands
(2014)In Kenya, foliar fertilizers have not found use in tea production despite their numerous advantages as exhibited in other crops. A fertilizer trial test was established in three sites of the major tea growing regions, with ... -
Effects of fungal infection on feeding and survival of Anopheles gambiae (Diptera: Culicidae) on plant sugars
(University of Nairobi, 2015)Background The entomopathogenic fungus Metarhizium anisopliae shows great promise for the control of adult malaria vectors. A promising strategy for infection of mosquitoes is supplying the fungus at plant feeding ... -
Effects of heavy metal pollution on ω3 polyunsaturated fatty acids levels in tilapia fish from Winam Gulf of Lake Victoria
(2013)Winam Gulf is facing major pollution threats from anthropogenic input of pollutants such as heavy metals and agrochemical residues. This has deleterious effects on flora and fauna in the lake and consequently the quality ... -
Effects of Insecticide Applications on Sunflower (Helianthus annuus L.) Pollination in Eastern Kenya
(IDOSI Publications,'Department of Plant Science and Crop Protection, University of NairobiCentre for Development Research (ZEF), University of Bonn. Postfasch: Walter-Flex-Str. 3,53113 Bonn GermanyDepartment of Zoology, University of Nairobi, 2007)Two insecticides (Dimethoate and Lambda cyhalothrin), commonly used in eastern Kenya to control sunflower pests, were assessed to determine their use-effect on the crop pollination and its subsequent yield Sunflower, cv ...