Browsing School of Agriculture and Food Science by Author "Agong', Stephen G."
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Agritourism: Potential socio-economic impacts in Kisumu County
Bwana, M.A.; Olima, Washington H.A; Andika, Darius O.; Agong', Stephen G.; Hayombe, Patrick O. (IOSR Journal Of Humanities And Social Science, 2015-03)High poverty level is one of the major developmental challenges facing Kisumu County with over 60 percent of the population being poor. The main economic activity in this region has for a long time been farming. The high ... -
Aluminium tolerance mechanisms in phaseolus vulgaris l.: citrate synthase activity and TTC reduction are well correlated with citrate secretion
Agong', Stephen G.; Mugai, Elisha N.; Matsumoto, Hideaki (Taylor&Francis, 2012-01-04)We characterised the physiological mechanisms of tolerance in two beanvarieties (Phaseolus vulgaris L. viz. French Bean cv. Amy and Rosecoco(GLP2» differing in Al tolerance of the varietal level. Root elongation atvarying ... -
Assessment of tolerance to salt stress in Kenyan tomato germplasm
Agong', Stephen G.; Schittenhelm, Siegfried; Friedt, Wolfgang (International Journal of Plant Breeding, 1997)Tomato is an important vegetable crop in Kenya and the development of salt tolerant cultivars would enhance its productivity in the vast marginal areas of the country. This study was aimed at determining the magnitude of ... -
Biochemical differentiation in Camellia sinensis and its wild relatives as revealed by isozyme and catechin patterns
Agong', Stephen G.; Magoma, G.N.; Wachira, F.N.; Imbuga, M.O. (Pergamon, 2002-12-10)The variation in three NADP-linked dehydrogenase enzymes; glucose-6-phosphate dehydro- genase, 6-phosphogluconate dehydrogenase and shikimate dehydrogenase as well as alpha and beta esterases was determined in 24 cultivars ... -
A Classification of tourism offerings based on intrinsic attributes
Awuor, Frankline Otiende; Ayieko, Monica A.; Hayombe, Patrick O.; Agong', Stephen G. (International Journal of Business and Social Research, 2015)The purpose of this study is to explore intrinsic attributes that can be used in the classification of tourism offerings for an academic understanding of their immutable natures. Mixed approach of visitor attractions ... -
Collection and evaluation of Kenyan tomato landraces with special reference to salt and drought tolerance
Agong', Stephen G. (AGRIS, 1995)The tomato is a major vegetable species in Kenya. By providing salt and drought tolerant varieties, their productivity in the marginal areas of Kenya could be significantly improved. The aim of this work was to collect ... -
Effects of Acid Scarification, Priming with PEG, NaCI or Sea Water as Osmoticum and Dehydration on Spinach Seed Germination at 30°C
Masuda, Masaharu; Hata, Naoki; Ombwara, Francis Kweya; Agong', Stephen G. (Japanese Society for Horticultural Science, 2005)Spinach (Spinacia oleracea L.) seeds were scarified with an 18 N H2S04 solution, then primed for one week at 10De in PEG- 6000, NaCl or natural sea water. Germination tests were carried out at 30De, which is normally ... -
Effects of day-length and temperature on floral structure and fertility restoration in a season-dependent male-sterile Solanum villosum Mill. mutant
Agong', Stephen G.; Ojiewo, Christopher O.; Murakami, Kenji; Masinde, Peter W.; Masaharu, Masuda (Springer Verlag, 2007)Solanum villosum is an important African leafy vegetable whose yield is limited mainly by competition from early and excess fruit-set. Induced male-sterility is a potential tool to reduce this competition and enhance yields. ... -
Exploiting the Genetic Diversity of Vegetable African Nightshades
Agong', Stephen G.; Ojiewo, Chris O.; Mwai, Gedion N.; Abukutsa-Onyango, Mary O.; Nono-Womdim, Remi (Global Science Books, 2013)frican nightshades ( Solanum section Solanum ) are an important source of daily nutrients and income for small-scale farmers in sub- Saharan Africa and are a delicacy for urban inhabitants. The section ... -
Floral Genetics of African Nightshade (Solanum section Solanum)
Ojiewo, Christopher Ochieng; Murakami, Kenji; Masinde, Peter Wafula; Agong', Stephen G. (International Journal of Plant Developmental Biology, 2007)Solanum section Solanum, centering on the species commonly known as African nightshade, and botanically known as the “Solanum nigrum complex” is composed of a large number of morphogenetically distinct taxa, with certain ... -
High fluoride water in Bondo-Rarieda area of Siaya County, Kenya: a hydro-geological implication on public health in the Lake Victoria basin
Wambu, Enos W; Agong', Stephen G.; Anyango, Beatrice; Akuno, Walter; Akenga, Teresia (BMC Public Health, 2014)Background: Only a few studies to evaluate groundwater fluoride in Eastern Africa have been undertaken outsidethe volcanic belt of the Great Eastern Africa Rift Valley. The extent and impact of water fluoride outside ... -
Host-plant acceptance, fecundity and longevity of tetranychus evansi (acari: tetranychidae) on selected tomato accessions
Masinde, Peter W.; Wesonga, John M.; Ojiewo, Christopher O.; Agong', Stephen G.; Masuda, M. (Global Science Books, 2009-01-21)Solanum villosum is an important leafy vegetable in Kenya whose production faces low yields. Two potentially high leaf-yielding genotypes of S. villosum, T-5 and an octoploid have been developed. Field experiments were ... -
Host-plant acceptance, fecundity and longevity of tetranychus evansi (acari: tetranychidae) on selected tomato accessions
Murungi, L.K.; Knapp, M.; Masinde, P.W.; Onyambu, G.; Gitonga, L; Agong', Stephen G. (Afr. J. Hort. Sci., 2009)Seven tomato (Lycopersicon sp.) accessions were evaluated for their resistance to the tomato red spider mite, Tetranychus evansi Baker and Pritchard, in the laboratory. Data recorded was: (i) trichome density and (ii) ... -
Induced male-sterility alters dry matter distribution in solanum villosum mill.
Ojiewo, C.O.; Murakam, K.; Masuda, M.; Agong', Stephen G. (ISHS, 2008)African nightshades are leafy vegetables popular in Africa and South-East Asia for their high nutritional and medicinal value. The plants are strongly autogamic, exhibiting early and excessive flowering coupled with prolific ... -
The interface between mango value chain analysis and the socioeconomic determinants.
Gor, C.O; Agong', Stephen G.; Achieng, L.; Akuno, W.; Andika, Darius O. (Holticultural association of Kenya, 2012-06)The study focused on a value chain analysis geared towards identifying the various, processes, inputs and major players in the mango value chain system. Data was collected from the main actors in the mango value chain at ... -
Mutation Breeding of African Nightshade ( Solanum section Solanum )
Ojiewo, Christopher Ochieng; Murakami, Kenji; Masinde, Peter Wafula; Agong', Stephen G. (Global Science Books, 2007-04-12)African nightshades ( Solanum nigrum- related species) are some of the most widely consumed traditional leafy herbs and vegetables, particularly in Africa and South-East Asia. The leaves contain high levels of ... -
Plant growth, water relations and transpiration of two species of African nightshade (Solanum villosum Mill. ssp. miniatum (Bernh. ex Willd.) Edmonds and S. sarrachoides Sendtn.) under water-limited conditions
Masindea, P.W.; Stützela, H.; Agong', Stephen G.; Frickea, A. (Elsevier B.V., 2006-09-11)Solanum villosum is an important leafy vegetable in Kenya whose production faces low yields. Two potentially high leaf-yielding genotypes of S. villosum, T-5 and an octoploid have been developed. Field experiments were ... -
Plant growth, water relations and transpiration of two species of African nightshade (Solanum villosum Mill. ssp. miniatum (Bernh. ex Willd.) Edmonds and S. sarrachoides Sendtn.) under water-limited conditions
Masinde, P.W.; Stützela, H.; Agong', Stephen G.; Frickea, A. (Elsevier, 2006-09)The adaptation to drought stress of two African nightshade species, Solanum villosum and S. sarrachoides was investigated in pot and field experiments between 2000 and 2002. Two genotypes of S. villosum (landrace and ... -
Polyploidy Breeding of African Nightshade ( Solanum section Solanum )
Agong', Stephen G.; Ojiewo, Christopher O.; Murakami, Kenji; Masinde, Peter W. (Global Science Books, 2007)The perception of African nightshades ( Solanum section Solanum ) as “healthy” foods, supported by documentation of their high nutri- tional and medicinal benefits, has led to a sudden and ... -
Positioning ecotourism destinations in Kisumu County: Cultural diversity perspective
Achieng, David Omondi; Hayombe, Patrick O.; Agong', Stephen G. (IOSR Journal of Computer Engineering (IOSR-JCE), 2014-12)Positioning of ecotourism destination is crucial to survival and success of business value chain of the cultural sites as alternative source of livelihood of the local communities in Kisumu County. This paper sought to ...