Browsing Articles: Department of Water and Agricultural Resources Management by Issue Date
Now showing items 121-140 of 153
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Effect of time of Azolla incorporation and inorganic fertilizer application on growth and yield of Basmati rice
(Academic Journals, 2020-03)Azolla tissue contains 5% N, which is slowly released into the soil upon decomposition. Timing of incorporation is therefore important for maximum benefit to a crop. The effect of time to incorporate Azolla biomass on ... -
Morphological and Molecular Characterization of Azolla Accessions in Kenya
(Tropical and Subtropical Agroecosystems, 2020-05)Background. Azolla Lam., a mosquito fern, is invasive in major rice growing Schemes in Kenya, where it clogs irrigation canals and forms dense mats in paddy fields. However, the species of Azolla has not been established. ... -
Witchweed’s Suicidal Germination: Can Slenderleaf Help?
(MDPI, 2020-06)The parasitic plant Striga hermonthica (Delile) Benth. is stimulated to germinate by biomolecules (strigolactones) produced in the roots of host and some non-host plants. Non-hosts induce Striga’s suicidal germination ... -
Quantitative trait loci (QTL) mapping of resistance to coffee berry disease (Colletotrichum kahawae Waller & Bridge) in Coffea arabica L. variety Rume Sudan
(Academic Journals, 2020-06)Coffee Berry Disease (CBD) is a major constraint that limits Coffea arabica production, whose resistance is governed by three genes, T, R that are dominant and recessive k in varieties Hibrido de Timor (HDT), Rume Sudan ... -
Soil Greenhouse Gas Fluxes From Maize Production Under Different Soil Fertility Management Practices in East Africa
(2020-06)In sub-Saharan Africa (SSA), few studies have quantified greenhouse gas (GHG) emissions following application of soil amendments, for development of accurate national GHG inventories. Therefore, this study quantified soil ... -
Exploring the Changes of Resistant Genes Expression in Groundnuts (Arachis Hypogea) In Response to Aspergillus Flavus Exposure at Seedling Stage
(2020-07)Aspergillus flavus infect groundnut seeds and produce secondary metabolites, aflatoxins. The aflatoxins are associated with various diseases in domestic animals and humans globally. Mitigating the aflatoxin contamination ... -
Characterization of Kenyan French Bean genotypes into gene pool affiliations using allele specific markers
(ACADEMIC JOURNALS, 2020-07)French bean (Phaseolus vulgaris L.) is a major export crop in Kenya where it serves as a cash crop for smallholder farmers and a source of employment. However, there is limited information on characterization of available ... -
In Vitro Control ofPhytophthora infestans and Alternaria solani Using Crude Extracts and Essential Oils from Selected Plants
(Hindawi, 2020-07)Tomato production is constrained by fungal diseases especially the early and late blight caused by Alternaria solani and Phytophthora infestans, respectively. Control of the two diseases is usually by use of synthetic ... -
Mycorrhiza co-association with Aspilia pruliseta Schweif. and phosphorus uptake effects on growth of gadam sorghum in the semi-arid lower Eastern Kenya
(Academic Journals, 2020-08)Mycorrhiza fungi are important components of soil microbiota in the rhizosphere and greatly influence the uptake of mineral elements by plants. A greenhouse experiment was conducted at the University of Embu to evaluate ... -
Combining Host Plant Resistance, Selective Insecticides, and Biological Control Agents for Integrated Management of Tuta absoluta
(Hindawi, 2020-08)Combination of pest management strategies that minimize pesticide use and conserve natural enemies is important for a sustainable environment. Overreliance on synthetic insecticides in the management of Tuta absoluta has ... -
Arbuscular Mycorrhizal Fungi Colonization in the Rhizosphere of Aspilia pruliseta Schweif. ext Schweif in the Semiarid Eastern Kenya
(Sage, 2020-09)The use of arbuscular mycorrhizal fungi (AMF) to enhance soil phosphate uptake is a biological technique considered to cure phosphate deficiency in soils. This study investigated association of Aspilia pruliseta Schweif ... -
Morphological and Molecular Characterization of Toxigenic Aspergillus flavus from Groundnut Kernels in Kenya
(Hindawi, 2020-09)Pathogenesis of Aspergillus flavus on important agricultural products is a key concern on human health due to the synthesis and secretion of the hazardous secondary metabolite, aflatoxin. &is study identified and further ... -
Enhancing legume crop pollination and natural pest regulation for improved food security in changing African landscapes
(Elsevier, 2020-09)Legumes are important crops for food security, consumed by millions of people especially in Africa where they are an essential protein source and provide key vitamins and minerals. Most legumes depend on insect pollination ... -
Assessment of genetic variability of passion fruit using simple sequence repeat (SSR) markers
(Integrity, 2020-10)Purple passion fruit (Passiflora edulis Sims) is the third most important fruit crop in Kenya that is produced for both local and export markets. In Uasin Gishu County, passion fruit had recently emerged as an important ... -
Characterization of the Volatile Components of Essential Oils of Selected Plants in Kenya
(Hindawi, 2020-12)Essential oils are secondary metabolites that plants produce for protection from pests and predators, attraction of pollinators, and seed dispersal. )e oils are made up of a mixture of compounds that give a characteristic ... -
Flower visitors of Streptocarpus teitensis: implications for conservation of a critically endangered African violet species in Kenya
(PeerJ, 2021-01)Background: The African violets are endangered plant species restricted mainly to the Eastern Arc Mountains biodiversity hotspots in Kenya and Tanzania. These plants grow well in shaded environments with high humidity. ... -
Genetics of dual resistance to african stem borer, busseola fusca and spotted stem borer, Chilo partellus in sorghum
(Springer Link, 2021-02)African stem borer, Busseola fusca Fuller (Noctuidae) and spotted stem borer, Chilo partellus Swinhoe (Crambidae) cause more than 40 % of grain yield loss in cereals and bothpests co-exist in mid-altitudes in Kenya. ... -
Adoption Determinants of Adapted Climate Smart Agriculture Technologies Among Smallholder Farmers in Machakos, Makueni, and Kitui Counties of Kenya
(2021-04)The study examined the adoption determinants of adapted climate smart agriculture (CSA) technologies among smallholder farmers. A multi-stage sampling procedure was used to select a total sample of 384 households. Percentages ... -
Productivity of Selected Cabbage Varieties under Varying Drip Irrigation Schedules in Humic Nitisols of Embu County, Kenya
(Hindawi, 2021-05)Use of controlled irrigation in vegetable production is considered a viable option for optimizing input use and productivity. %is study aimed at assessing the effects of different drip irrigation schedules on productivity ... -
Performance of vermicomposted wastes for tomato (Lycopersicon Esculentum Mill.), production: A case study of Embu, Kenya
(2021-10)PurposeTo investigate the effect of vermicomposted kitchen, market and tea wastes on tomato growth and yield and assess the benefits and costs that arise. Method A field experiment arranged in the randomized complete ...