Department of Botany: Recent submissions
Now showing items 201-220 of 229
-
Isolation of a new β-carboline alkaloid from aerial parts of Triclisia sacleuxii and its antibacterial and cytotoxicity effects
(Natural Product Research, 2017-01-01)A new β-carboline alkaloid named sacleuximine A (1) together with known compounds palmatine (2), isotetrandrine (3), trans-Nferuloyltyramine (4), trans-N-caffeoyltyramine (5), yangambin (6), syringaresinol (7), sesamin ... -
Isolation, characterization and biological activities of phytoconstituents from Lonchocarpus eriocalyx Harms leaves
(Islamic Azad University, Shahrood Branch Press, 2018-09-01)The plant species Lonchocarpus eriocalyx Harms (Fabaceae) is a deciduous slender tree or shrub which grows up to 15 m tall. It is an important medicinal plant in Kenya used to treat a wide range of ailments including eye ... -
Novel Long Retentive Posaconazole Ophthalmic Suspension
(Pharmaceutical Science and Technology, 2020-02-14)Ophthalmic formulations are not completely available for eliciting therapeutic action because of various reasons such as rapid tear drainage, blinking of eye, lower residence time and lower cul de sac volume. Ophthalmic ... -
Sources, distribution, and risk assessment of organochlorine pesticides in Nairobi City, Kenya
(Elsevier, 2020-01-10)The distribution and sources of organochlorine pesticides (OCPs) in air and surface waters were monitored in Nairobi City using triolein-filled semipermeable membrane devices (SPMDs). The SPMDs were extracted by dialysis ... -
Influence of region of production on clonal black tea chemical characteristics
(Elsevier, 2008-05-01)Production of black tea from the same vegetatively propagated (VP) cultivars, in Kenya and Malawi, shows variations in both chemical composition and quality. Whereas it is possible to produce black teas with similar total ... -
Lonchocarpus eriocalyx (Harms) Herb Extract for Use as Painkillers
(Science Publishing Group, 2020-02-02)Today, many herbal preparations are being prescribed as analgesics. In the past decade, there has been a resurgence of interest in traditional systems of medicine which has become a topic of global interest. Indeed, many ... -
Ecology and Physiology of Plant growth in relation to soil salinity
(2015)This work is intended as a review of soil salinity as one common abiotic stress in ecological systems that adversely affect plant growth. In arid and semi arid areas, saline areas or areas irrigated with saline waters, ... -
Chlorophyll fluorescence parameters and photosynthetic pigments of four Glycine max varieties under Aluminium chloride stress
(PSCI Publications, 2015)Soil acidity limits agricultural production globally. Different kinds of stresses, mainly Al stress, generated from acid soils affect plant growth and result in food shortage and production. General effects of Al ... -
Allelopathic potential of mexican sunflower [tithonia diversifolia (hemsl) a. Gray] on germination and growth of cowpea seedlings (vigna sinensis l.)
(2015)Invasive plant species when introduced into new environments may result into a number of ecological problems (Howard et al., 2000). They may influence other species through pathways such as allelopathy or phytotoxicity ... -
Allelopathic potential of mexican sunflower [tithonia diversifolia (hemsl) a. Gray] on germination and growth of cowpea seedlings (vigna sinensis l.
(2015)Invasive plant species when introduced into new environments may result into a number of ecological problems (Howard et al., 2000). They may influence other species through pathways such as allelopathy or phytotoxicity ... -
Growth changes of seven Amaranthus (spp) during the vegetative and reproductive stages of development as influenced by variations in soil water deficit
(International Journal of Research and Innovations in Earth Science, 2015)Soil water deficit is a principal a biotic factor that limits plant growth and development in dry areas. Insufficient moisture contributes to soil water deficit and some negative effects on Amaranthus (spp) such as reduced ... -
Allelopathic effects of mexican sunflower [tithonia diversifolia (hemsl) a. Gray] on germination and growth of cowpea seedlings (vigna sinensis)
(2014)Allelopathy is a common among plants. Allelopathic substances affect seed germination, plant growth and development or even affect chlorophyll synthesis by the plant leaves. Tithonia diversifolia contains allelochemicals ... -
NaCl salinity affects germination, growth, physiology, and biochemistry of bambara groundnut
(Sociedade Brasileira de Fisiologia Vegetal, 2012-09)The effects of NaCl salinity on seed germination, growth, physiology, and biochemistry of two bambara groundnut landraces (Vigna subterranea (L.) Verdc), Kakamega (white seed coat) and Mumias (red seed coat), were investigated ... -
The role of wetlands in the changing ecophysiology and distribution of plant species: a comprehensive review
(2011)Wetlands are important ecosystems globally. Changes in plant species physiology, species composition, species distribution and phenology have occurred with changes and modifications of wetland ecosystems. This paper ... -
Salinity and temperature effects on CO2 assimilation in leaves of avocados.
(Academic Journals, 2010)Young avocado plants were cultured in a glasshouse and subjected to salt stress or were well watered at Maseno University between September 2003 and September 2004. Three-month-old avocado seedlings were grown in 4.5 L ... -
Morphological, biochemical and molecular characterization of Xanthomonas campestris pv. vesicatoria of African nightshades (Solanum scabrum Mill.)
(INNSPUB, 2016)African nightshade (Solanum scabrum Mill.) is one important vegetable in terms of food security and nutritional balance. The vegetable is usually medicinal and also a source of income to many small scale farmers in Kenya. ... -
Isolation and Characterisation of Ralstonia Solanacearum Strains of Tomato Wilt Disease from Maseno, Kenya
(Asian Economic and Social Society, 2017)Ralstonia solanacearum (E.F. Smith) Yabuuchi, is the cause of bacterial wilt of tomato and one of the most severe pathogens of solanaceous crops with a very wide host range. There is little information on R. solanacearum ... -
Carpet Characteristics of Eichhornia Crassipes [Mart.] Solms (Water hyacinth) in the Winam Gulf (Lake Victoria, Kenya)
(Asian Economic and Social Society, 2017-07-01)The occurrence and spread of the water hyacinth (Eichhornia crassipes [Mart.] Solms), in the Winam gulf has created numerous attributes to the human population that live around the lake, thereby making its control a ... -
Allelopathic Effect of Bidens Pilosa on Seed Germination and Growth of Amaranthus Dubius
(Asian Economic and Social Society, 2018)Allelopathy is the inhibitory effect of one plant on another by releasing chemicals through leaching, root exudation and residue decomposition. Allelopathic inhibition involves the interaction of different classes of ... -
Enumeration and Identification of Rhizospheric Microorganisms of Sugarcane Variety CO 421 in Kibos, Kisumu County, Kenya
(Asian Economic and Social Society, 2018)Sugarcane (Saccharum officinarum L.) is known to have microbial organisms associated with its rhizosphere which have potential antagonistic activity against other microorganisms. However numerous studies on rhizosphere ...