Journal Articles: Recent submissions
Now showing items 5641-5660 of 29898
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The effects of the infestation by red spider mites, Tetranychus sp. (Acarina: Tetranychidae) on the growth and yield components of cotton in Eastern Kenya
(University of Nairobi, 1985-02)Field investigations were conducted at Mwea-Tebere Agricultural Research Station, situated in Central Province of Kenya, to evaluate the effects of the infestation of cotton by red spider mites, Tetranychus sp., on its ... -
Kericho CLinic-Based ART Diagnostic Evaluation (CLADE): Design, Accrual, and Baseline Characteristics of a Randomized Controlled Trial Conducted in Predominately Rural, District-Level, HIV Clinics of Kenya
(2015)Background Prospective clinical trial data regarding routine HIV-1 viral load (VL) monitoring of antiretroviral therapy (ART) in non-research clinics of Sub-Saharan Africa are needed for policy makers. Methods CLinic-based ... -
Evaluation of some chemicals for efficacy against the red spider mites, Tetranychus sp. (Acarina: Tetranychidae) attacking cotton in Eastern Kenya
(University of Nairobi, 1985-02)An evaluation of 17 chemicals was conducted in the field at Mwea-Tebere Agricultural Research Station to ascertain their efficacy against the red spider mites Tetranychus sp. attacking cotton in Eastern Kenya. The study ... -
The dynamics of land use and la nd cover change in Nakasongola d istrict
(University of Nairobi, 2012)Landsat (TM) of 1986 and 1990 and Landsat (ETM+) of 2000 and 2004 for Nakasongola district were obtained and analyzed using the ILWIS 3.6 software using unsupervised classification. An overlay analysis of satellite images ... -
Effects of infestation and transmission of the common bean mosaic virus (CBMV) by the black bean aphid A. fabae on the common bean P. vulgaris.
(University of Nairobi, 1982)Damage caused to vegetative growth and yield of bean (Phaseolus vulgaris) by Aphis fabae combined with bean common mosaic virus was generally significant when aphid infestation occurred during the early and late vegetative ... -
Susceptibility of Dysdercus species Boisduval (Hemiptera: Pyrrhocoridae) to selected synthetic pyrethroids.
(University of Nairobi, 1988)The relative susceptibility of 4 populations of Dysdercus fasciatus and one population each of D. nigrofasciatus, D. cardinalis and D. superstitiosus to topical application of cypermethrin, fenvalerate and permethrin was ... -
A survey of insect pest species associated with sunflower (Helianthus annuus L.) in Kenya.
(University of Nairobi, 1979)The results are presented of a survey of insect pests on sunflower in Kenya in 1974-75. A list is provided of 80 species of Coleoptera, Hemiptera, Lepidoptera, Orthoptera, Diptera and Thysanoptera that were found damaging ... -
Sources of resistance to the common cowpea pod sucking bugs Riptortus dentipes (Fabricius) and Anoplocnemis curvipes (Fabricius) in cowpea Vigna unguiculata (L.) Walp
(University of Nairobi, 1985)The successful preliminary field evaluation in Kenya of 4022 cultivars of Vigna unguiculata from around the world revealed that >99% of them were susceptible to damage caused by the coreids Riptortus dentipes and Anoplocnemis ... -
Pyrolizidine Alkaloids From Senecio Hadiensis", J. Nat. Prod., 54, 491-9
(University of Nairobi, 1992) -
Search in the available cowpea germplasm for sources of resistance to the common pod-sucking bugs Riptortus dentipes (F.) and Anoplocnemis curvipes (F.).
(University of Nairobi, 1985)In trials at Ibadan, Nigeria, and Kikambala, Kenya, none of the 4180 Vigna unguiculata cultivars screened were highly resistant in the field, although 33 were moderately resistant to both pests, sustaining 20-39% pod damage. ... -
Some aspects of the biology of the black bean aphid Aphis fabae Scopoli reared on the common bean Phaseolus vulgaris L.
(University of Nairobi, 1985-10)Investigations were conducted in the greenhouse to evaluate the biological performance of Aphis fabae Scopoli when bred on two varieties of the common bean, Phaseolus vulgaris L. Mean developmental period of the aphid was ... -
The Principal Alkaloid Of Senecio Schweinfurthii", Phytochem. 40, 1327-1329
(University of Nairobi, 1995)Kamau RK, Osoti AO, Njuguna EM. Department of Obstetrics and Gynaecology, College of Health Sciences, University of Nairobi, P.O. Box 1%76-00202, Nairobi, Kenya. BACKGROUND: Cancer of the uterine cervix is the most common ... -
Correlates of age at attainment of developmental milestones in HIV-infected infants receiving early antiretroviral therapy
(University of Nairobi, 2015)Background: Infant HIV-1 infection is associated with impaired neurologic and motor development. Antiretroviral therapy (ART) has the potential to improve developmental outcomes but the relative contributions of pre-ART ... -
Biocontrol of Fusarium root rot in beans by antagonistic Trichoderma fungi
(University of Nairobi, 2013)Common bean (Phaseolus vulgaris) is one of the most important economic crop which is attacked by serious diseases such as Fusarium root rot. In this study, the efficacy of Trichoderma viride and T. koningii were evaluated ... -
Cytotoxic activity of some Tanzanian medicinal plants.
(University of Nairobi, 2005)Thirty-three aqueous methanolic extracts obtained from thirty plant species, belonging to seventeen families were screened for cytotoxic activity against HeLa (human cervical carcinoma) cells. The ability of the extracts ... -
Gnidia latifolia (Meisn) toxicity in rats.
(University of Nairobi, 1982) -
Studies of the toxicity of Gnidia latifolia Meisn in cattle
(University of Nairobi, 1983)Twelve calves were drenched with ground leaves of Gnidia latifolia (Thymelaeaceae) and their responses studied. Signs of clinical intoxication were observed in all the treated animals and the intensity of the signs depended ... -
Biological activities of essential oils from plants growing in Tanzania.
(University of Nairobi, 2010)Essential oils from eleven plant species belonging to the Asteraceae, Lamiaceae, Lauraceae and Myrothamnaceae families growing in Tanzania were screened for mosquito larvicidal and anti-candida activities, and were subjected ... -
Fibrosarcoma in an Ayrshire heifer-a case report.
(University of Nairobi, 1982)