Department of Crop Science
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©Karatina University
Recent Submissions
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Biocontrol of Fusarium root rot in beans by antagonistic Trichoderma fungi
(International Journal of AgriScience, 2013-07)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 ... -
Effects of Packaging and Storage Conditions on Quality of Spider Plant (Cleome gynandra L.) Seed
(African Journal of Food, Agriculture, Nutrition and Development, 2019)In Kenya, spider plant (Cleome gynandra L.) has gained popularity among consumers due to its nutritional and medicinal values. In the local markets, bundles of leafy shoots as well as uprooted young plants are offered at ... -
Synthesis of Nylon-ferrous Oxide Chitosan Immobilised Silica Nanoprobe for Detection of Ralstonia solanacearum
(Journal of Agriculture and Ecology Research International, 2016)Accurate detection of plant pathogen precedes control. Misdiagnosis of diseases results in chemical waste, crop damage and ultimately income loss. Precision in pathogen detection has been made possible by advances in plant ... -
Effect of Biological Contro Antagonists Adsorbed on Chitosan Immobilized Silica Nanocomposite on Ralstonia solanacearum and Growth of Tomato Seedlings
(Advances in Research, 2016)Background: Biological control holds promise in managing bacterial wilt disease. However, its efficacy is limited by harsh environmental conditions when applied without use of suitable carrier materials. Aim: The study ... -
Biorational Preservation of Rose (Rosa hybrida L.) Cut-Flower Using Stevia (Stevia rebaudiana B.) and Thyme (Thymus vulgaris L.) Extracts
(SciPress Ltd, 2018)Rose cut flower is one of the widely grown cut flowers in Kenya. However, most roses have a challenge of short vase life. This study aimed at determining the efficacy of plant extracts from thyme and stevia in preservation ... -
Dynamics of agricultural use differentially affect soil properties and crop response in East African wetlands
(Springer Science, 2013)Agricultural land use changes differen- tially affect soil fertility and crop production potential of wetlands. We studied East African wetlands with contrasting hydro-geological characteristics (high- and lowland floodplains ... -
In Vitro Analysis of Antibacterial and Antifungal Potency af Tissue Cultured and Indigenous Aloe Secundiflora Plant Extracts
(American Research Institute for Policy Development, 2014-06) -
Integration of Commercial Microbiological Products into Soil Fertility Practices as a Potential Option for Acclimatization and Growth of TC Banana in Kenya
(Open Journal of Soil Science, 2014)Tissue culture (TC) banana plantlets at the in vitro stage are delicate and devoid of microbes and nutrients that are essential for establishment and subsequent growth. Some microbes are known for function best under ... -
Effect of soil PH on postharvest pathological deterioration of sweet potato storage roots
(African Journal of Horticultural Sciences, 2008)Sweet potato (Ipomoea batatas (L.) Lam.) is the world’s seventh most important food crop but its potential to contribute to food security and income generation is limited in tropical developing countries by its short ... -
Constraints to On-Farm Maize (Zea mays L.) Seed Production in Western Kenya: Plant Growth and Yield
(ISRN Agronomy, 2012)Studies have shown that that about 85% of maize farmers in Western Kenya plant local varieties with about 80% using own farm-saved seeds. The production system is characterized by late harvesting, heavy striga infestation, ... -
Economic and Biological Values for Pasture-Based Dairy Cattle Production Systems and their Application in Genetic Improvement in the Tropics
(Journal of Animal Production Advances, 2015)Economic and biological values for milk yield (MY), milk butter fat (FY), daily gain (DG), weaning weight (WWT), mature live weight (MLW), calving interval (CI), pre-weaning survival rate (PreSR), post-weaning survival ... -
Effects of maturity stage, desiccation and storage period on seed quality of cleome (cleome gynandra l.)
(Research Desk, 2014)Cleome gynandra (L.) is a weed that grows throughout the tropics and sub-tropics. In Kenya it is gradually being domesticated and grown as a vegetable that is used in many culinary systems for its remarkable nutritional ... -
Sorghum [sorghum bicolor (l.) Moench] seed quality as affected by variety, harvesting stage and fertilizer application in Bomet county of Kenya
(African Journal of Food, Agriculture, Nutrition and Development, 2013-09)A set of laboratory experiments were conducted to evaluate the physiological quality of Sorghum bicolor (L.) Moench seeds subjected to different field cultural management practices. The main aim of this study was to ... -
Effect of management and soil moisture regimes on wetland soils total carbon and nitrogen in Tanzania
(Geophysical Research Abstracts, 2013)Wetland soils play an important role as storage compartments for water, carbon and nutrients. These soils implies various conditions, depending on the water regimes that affect several important microbial and physical-chemical ... -
An Assessment Of The Physiological Quality Of Sorghum (Sorghum Bicolor L Moench) Seeds Planted By Farmers In Bomet District Of Kenya
(African Journal of Food, Agriculture, Nutrition and Development, 2012-08)Sorghum (Sorghum bicolor L. Moench) is an important crop that enhances food security in a region. As a food crop, sorghum is nutritious, containing starch (75-79%) as the major component, followed by protein (6.0-16.1%) ... -
Transcriptome-based identification of drought responsive genes in the tea plant
(2015)Tea (Camellia sinensis L. (O) Kuntze) is one of the most widely consumed beverages worldwide. Tea growing areas in Kenya often experience drought periods which cause accumulated soil water deficit. These adversely affect ... -
Assessing the effect of grading on the in vitro availability of Fe, Zn, Cu, Pb and Cd from CTC black tea
(2015)In vitro analyses of trace element content in biological systems play an increasingly important role in assessing the environmental impact on health. A quantitative study of five trace elements namely Fe, Zn, Cu, Pb and ... -
Efficacy and mode of application of indigenous local Beauveria bassiana isolates in the control of the tea weevil compared to Karate
(2015)The tea crop in Kenya ubiquitously is exposed to biotic and abiotic stresses which can be devastating. These include damage by five species tea weevils. Tea weevils reported to occur in Kenya include, the tea root weevil ...
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