Department of Botany: Recent submissions
Now showing items 161-180 of 229
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Hybrid performance of sorghum and its relationship to morphological and physiological traits under variable drought stress in Kenya
(Blackwell Publishing Ltd, 1998-07-01)Sorghum, Sorghum bicolor L. Moench, is grown mostly in semi‐arid climates where unpredictable drought stress constitutes a major production constraint. To investigate hybrid performance at different levels of drought stress, ... -
Evidence of antibiosis resistance to the spotted stemborer, Chilo partellus (Swinhoe) in a maize (Zea mays L.) population
(Cambridge University Press, 1998-09)S2 line and S2 test-cross recurrent selection procedures were initiated to improve the resistance of a maize (Zea mays L.) population to the spotted stemborer, Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae). Thirty-five ... -
Evaluation of an advanced breeding population of arabica coffee
(COLLOQUE SCIENTIFIQUE INTERNATIONAL SUR LE CAFE, 1999)An advanced breeding population of Coffea arabica comprising 32 multiple cross families were preselected in the laboratory for resistance to coffee berry disease (CBD) and evaluated in the field for yield, quality and ... -
Some Pathogenic Bacteria Associated With Fresh and Smoked Nile Perch (Lates Niloticus) In Luanda Market, Vihiga County (Kenya).
(2017-07)Luanda market is located in Luanda town, Kenya. It lies 0° 0' 0" N and 34° 35' 0" E. While the Nile perch (Lates niloticus) a fresh water fish species introduced in Lake Victoria from the family latidae, order perciforme ... -
Allelopathic effects of Mexican sunflower [Tithonia diversifolia (Hemsl) A. Gray] on germination and growth of Spiderplant
(2012)Allelopathy refers to both beneficial and harmful effects of one plant on another plant by the release of chemicals from plant parts through leaching, root exudation, volatilization, residue decomposition and other processes ... -
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 potential of mexican sunflower [tithonia diversifolia (hemsl) a. Gray] on germination and growth of cowpea seedlings (vigna sinensis l.)
(2015)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 that ... -
BACTERIOLOGICAL AND PHYSICOCHEMICAL CHARACTERISATION OF AORA LOKO STREAM WATER, MASENO, KENYA
(2017)Safety and quality of drinking water is an important aspect in public health. Water pollution is one main cause of worldwide diseases and death. Human activities around water catchment areas contribute to some level of ... -
Phytochemical Screening and Antimicrobial Effects of Leaf and Root Extracts of Crotalaria Brevidens on Candida Albicans, Staphylococcus Aureus and Escherichia...
(2017)Crotalaria brevidens (slenderleaf) leaves and shoots are used as food and have medicinal properties when consumed by human beings. It also acts as an agent in promotion of suicidal germination of striga, a parasitic plant ... -
Carpet characteristics of eichhornia crassipes [mart.] solms (water hyacinth) in the Winam gulf (lake victoria, Kenya)
(Journal of Asian Scientific Research, 2017)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 priority. ... -
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)
(2017-07-31)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 priority. ... -
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 ... -
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 ... -
Effect of seed depth on germination, growth and chlorophyll contents of Senna spectabilis
(2018)Senna spectabilis is a medium to large tree belonging to the family fabaceae. It is native to Southern America. The plant has several economic importances such as construction materials and wood carvings. In agroforestry ... -
Introducing a novel natural logarithmic indices and their corresponding percentages table towards quantitative estimation of plant tolerance levels to stressors
(2018)The methods of evaluating tolerance levels of plants to stressors for many years have been based on indices and visual based scores which are more of descriptive and qualitative. Despite their ease of use the strategies ... -
Livelihood assessment of avocado growing in western Kenya and its socioeconomic implications using agricultural extension services
(2018-09-09)Avocado (Persia americana) is an important world crop. In Kenya, it has become a very important crop but its production is limited by several factors. Studies were conducted in the Lake Victoria Basin counties of Bunyala ... -
extracts against Xanthomonas campestris Pv vesicatoria isolated from diseased African nightshade (Solanum scabrum)
(2018-09-30)Solanum scabrum Mill is widely cultivated for consumption as a leafy vegetable, for medicinal purposes and as a source of income. Its productivity is faced with many challenges as farmers in Kenya have been recording low ... -
An analysis of socioeconomic factors affecting avocado production around Lake Victoria Basin of Kenya with special emphasis on flooding and its implications
(KIBU, 2019-06-13)Climate change which is caused by global warming has become a very important aspect of agricultural production in the world. Some of the impacts of climate change are rising temperatures, droughts, flooding and intense ... -
Effect of plant age on sesame infection by Alternaria leaf spot
(African Crop Science Society (Uganda), 1999)The effect of plant growth of sesame (Sesamum indicum L.) on development of seed infection by Alternaria leaf spot, and seed infection by Alternaria sesami, was monitored in plants of sesame accession SPS SIK 110. Increase ...