Browsing Articles: Department of Water and Agricultural Resources Management by Title
Now showing items 125-144 of 199
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Occurrence of Ck-1 gene conferring resistance to Coffee Berry Disease in Coffea arabica cv. Ruiru 11 and its parental genotypes
(SCIENCEWEB PUBLISHING, 2014-03)Abstract. Resistance to Coffee Berry Disease (CBD) in Coffea arabica cv. Ruiru 11 is known to be controlled by among others, the T (Ck-1) gene from Robusta coffee (Coffea canephora Pierre). The cultivar reportedly presents ... -
Partial Nucleotide Sequences of Sweet Potato Leaf Curl Virus Occurring in Kenya and its Phylogenetic Relationship with other Members of Begomoviruses
(2012-11)Sweet potato leaf curl virus has been reported in different sweet potato growing regions of Kenya. Partial nucleotide sequences of Kenyan Sweet potato leaf curl virus isolates were compared with other isolates from different ... -
Pathogenicity of Colletotrichumkahawae in Kenya
(2017-05)This study was aimed at determining the virulence diversity of Colletotrichumkahawae, and their correlation with coffee growing regions and interaction with coffee varieties in Kenya. A total of 34 single conidia isolates ... -
Performance assessment of Crosses between Gadam and Hardcore Tannin sorghum in hybrid lines production
(2022-06)Gadam cultivar of sorghum has been characterized by low yields compared to the international yield levels of sorghum. In this research, Gadam was crossed with Serena, Seredo, and Kari/Mtama-1 in an attempt to increase ... -
Performance Evaluation of Proximal Sensors for Soil Assessment in Smallholder Farms in Embu County, Kenya
(MDPI, 2016)Four proximal soil sensors were tested at four smallholder farms in Embu County, Kenya: a portable X-ray fluorescence sensor (PXRF), a mobile phone application for soil color determination by photography, a dual-depth ... -
Performance of a convective, infrared and combined infrared-convective heated conveyor-belt dryer
(Springer, 2015-05)A conveyor-belt dryer was developed using a combined infrared and hot air heating system that can be used in the drying of fruits and vegetables. The drying system having two chambers was fitted with infrared radiation ... -
Performance of a convective, infrared and combined infraredconvective heated conveyor-belt dryer
(Association of Food Scientists & Technologists, 2015-05)A conveyor-belt dryer was developed using a combined infrared and hot air heating system that can be used in the drying of fruits and vegetables. The drying system having two chambers was fitted with infrared radiation ... -
Performance of a solar dryer with limited sun tracking capability
(Elsevier, 2006-05-31)A small solar dryer with limited sun tracking capabilities was designed and tested. The dryer had a mild steel absorber plate and a polyvinyl chloride (pvc) transparent cover and could be adjusted to track the sun in ... -
Performance of sweet potato varieties across environments in Kenya
(2012-09)Sweetpotato is an important food, feed and cash crop in Eastern Africa but its adoption as a dual purpose crop has not been exploited. Varieties giving high tuber and vine yields would be ideal for small scale farmers who ... -
Performance of Three Isolates of Metarhizium anisopliae and Their Virulence against Zeugodacus cucurbitae under Different Temperature Regimes, with Global Extrapolation of Their Efficiency
(MDPI, 2019-08)The performance of entomopathogenic fungi in pest control is usually a ected by both biotic and abiotic factors. This study aimed to determine the e ects of various temperatures (15, 20, 25 and 30 C) on conidial ... -
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 ... -
Phosphorus availability and exchangeable aluminum response to phosphate rock and organic inputs in the Central Highlands of Kenya
(Heliyon, 2021)Soil acidity and phosphorus deficiency are some of the constraints hampering agricultural production in tropical regions. The prevalence of soil acidity is associated with phosphorus (P) insufficiency and aluminum ... -
Phosphorus availability and exchangeable aluminum response to phosphate rock and organic inputs in the Central Highlands of Kenya
(Heliyon, 2021-03)Soil acidity and phosphorus deficiency are some of the constraints hampering agricultural production in tropical regions. The prevalence of soil acidity is associated with phosphorus (P) insufficiency and aluminum ... -
Physical changes during coffee roasting in Rotary Conduction‐Type Heating Units
(Blackwell Publishing Ltd, 2003-08-23)Coffee beans were roasted in a rotary conduction-type-heating unit under constant heating surface or product temperatures ranging from 200 to 240C or 170 to 210C, respectively. the roasting duration was varied from 0 to ... -
Physiological and Agronomic Performance of Domesticated and Wild Cotton Germplasm from Selected Regions of Kenya
(2017-05)making cooking oil, soup and seed cake for animal feed industry among other uses. Performance of wild cotton germplasm in Kenya has not been well studied and therefore there is need for understanding the correlation of ... -
Planting Pits’ Effects on Soil Nutrients in a Sorghum and Pigeon Pea Rotation in Semi-arid Areas of Eastern Kenya
(Science Domain International, 2016-12)Planting pits are rain water harvesting structures that trap water and nutrients in surface runoff and rain water falling directly into the pits. Planting pits have been promoted for improving crop yields without considering ... -
Pollination Ecology of Desmodium Setigerum (Fabaceae) in Uganda; Do Big Bees Do It Better?
(2016-08)Explosive pollen release is documented in many plant families, including the Fabaceae. Desmodium setigerum E. Mey (Fabaceae) is a perennial herb with single trip explosive pollen release found in eastern Africa, and the ... -
Populations of Biomphalaria spp. Snails Isolates in Kenya Show Variable Resistance to Schistosome Infection
(Trade Science Inc., 2018-10)Fresh water snails of genus Biomphlaria, Bulinus and Ocomelinia are important vectors for human schistosomiasis. Human contact patterns with water infested with cercaria are important factors in transmission of schistosomiasis ... -
The potential for second generation bio-ethanol production from agro-industrial waste in South Africa
(Academic Journals, 2013)There has been a sustained and growing interest in the production of liquid fuel from biomass in recent years. South Africa is a large producer of sugar, maize and wheat among other agricultural products that release big ... -
Potential of Bio-/Agro-Terrorism in Kenya
(2015-08)The growing Biotechnology and Bio-Engineering may have by commensurate measure contributed to bio-terrorism. This has led to stringent measures to deal with it especially, in developed economies like the ...
