Publications

Found 91 results

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In Press
Bundi A, Mburu J, Mbogoh S, Ambuko J. "Factors Influencing the Adoption of Pre-Harvest Practices among Mango Farmers in Embu and Machakos Counties, Kenya." International Journal of Postharvest Technology and Innovation. In Press.
2020
Bitange NM, Chemining’wa GN, Ambuko J, Owino W. "Can calcium sprays alleviate jelly seed in mango fruits?" Journal of Agriculture and Rural Development in the Tropics and Subtropics. 2020;Vol. 121 (1):35-42.abstract
"Effect of Water Stress on Growth and Yield Components of Selected Spider Plant Accessions." Journal of Medicinally Active Plants . 2020;9(2):81-97.Abstract
Tembe K, Lagat S, Ambuko J, Chemining'wa G, Owino W. "Variation in Morphological and Agronomic Traits of Selected African Eggplant Accessions." Journal of Medicinally Active Plants . 2020;9(2):34-46.abstract
2019
C. CHEMUTAI., Chemining’wa GN, Ambuko J. "Effect of fertilizers and harvesting method on yield of cowpea." African Journal of Rural Development,. 2019;3(2):779-785.
Yumbya P, Hutchinson M, Ambuko J, Owino W. "Effect of Hexanal as a Post-harvest Treatment to Extend the Shelf-life of Banana Fruits (Musa acuminata var. Sweet Banana) in Kenya." International Journal of Plant & Soil Science. 2019;29(21-16):1-16.absract.pdf
Yumbya P, Hutchinson M, Ambuko J, Owino W. "Effect of Hexanal as a Post-harvest Treatment to Extend the Shelf-life of Banana Fruits (Musa acuminata var. Sweet Banana) in Kenya." International Journal of Plant & Soil Science. 2019;29(21-16):1-16.absract.pdf
Nyangena I, Owino W, Imathiu S, Ambuko J. "Effect of pretreatments prior to drying on antioxidant properties of dried mango slices." Scientific African. 2019;doi: https://doi.org/10.1016/j.sciaf.2019.e00148.
Maina B, Ambuko J, Hutchinson M, Owino W. "The effect of waxing options on shelf life and postharvest quality of ’ngowe’ mango fruits under different storage conditions." Advances in Agriculture. 2019;5085636.abstract.pdf
Atieno L, Owino W, Ateka EM, Ambuko J. "Influence of Coating Application Methods on the Postharvest Quality of Cassava." International Journal of Food Science. 2019;2019:1-16.abstract.pdf
Mujuka E, Mburu J, Ogutu A, Ambuko J. "Returns to investment in postharvest loss reduction technologies among mango farmers in Embu County, Kenya." Food and Energy Security . 2019;10.1002/fes3.195.abstract.pdf
Bitange NM, Chemining’wa GN, Ambuko J, Owino WO. "Yield and Tissue Calcium Concentration of Mango (Mangifera indica L.) Fruit as Influenced by Calcium Source and Time of Application." International Journal of Plant & Soil Science. 2019;28(4):1-12.
2018
Ambuko J, Wanjiru F, E. Karithi, Chemining'wa G, Mwachoni E, Hansen B, Wasilwa L, Owino W, Nenguwo N. "Cold chain management in horticultural crops value chains: options for smallholder farmers in Africa. ." Acta Horticulturae. 2018:85-91 .abstract.pdf
Mbondo NN, Owino WO, Ambuko J, Sila  DN. "Effect of drying methods on the retention of bioactive compounds in African eggplant." Food Science and Nutrition. 2018;2018:1-10.abstract.pdf
CHEMUTAI C, Chemining’wa GN, Ambuko J. "Effect of fertilizers and harvesting method on yield of cowpea." African Journal of Rural Development. 2018;3(2):779-785.
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Chemining’wa G, Ambuko JL, Koile S. "Effect of fertilizers, time of pinching and harvesting method on growth and yield of spider plant (Cleome gynandra)." International Journal of Agronomy and Agricultural Research (IJAAR). 2018;13(5):9-21.
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Atieno L, Owino W, Ateka EM, Ambuko J. "Effect of Surface Coatings on the Shelf life and Quality of Cassava." Journal of Food Research. 2018;7(1):46-60.abstract.pdf
Manyozo FN, Ambuko J, Hutchinson MJ, Kamanula JF. "Effectiveness of evaporative cooling technologies to preserve the postharvest quality of tomato." International Journal of Agronomy and Agricultural Research. 2018;13(2): 114-127.
Hutchinson MJ, Ouko JR, Ambuko J, Owino WO, Subramanian J. "Effects of hexanal dip on the post-harvest shelf life and quality of papaya (Carica papaya L.) fruit." Tropical Agriculture . 2018;95(1):43-70.abstract.pdf
Stanley KP, Margaret HJ, Ambuko J, Owino WO. "Efficacy of blanching techniques and solar drying quality of cowpea leaves. ." African Journal of Horticultural Science. 2018;9:18-34.
Yumbya PM, Hutchinson MJ, Ambuko J, Owino WO, Sullivan A, Paliyath G, Subramanian J. "Efficacy of hexanal application on the post-harvest shelf life and quality of banana fruits (Musa acuminata) in Kenya." Tropical Agriculture. 2018;95(1):14-35.abstract.pdf
Tembe KO, Chemining'wa G, Ambuko J, WillisOwinob. "Evaluation of African tomato landraces (Solanum lycopersicum) basedon morphological and horticultural traits." Agriculture and Natural Resources . 2018;52(6):536-542.abstract.pdf
Mungai GW, Owino W, Ambuko J, Giovannoni JJ, Nyende AB, Michuki G. "Genetic diversity within African tomato using next generation sequencing." Plant Genetic Resources: Characterization and Utilization, . 2018;16(4): 296-305.
Gateri MW, Nyankanga R, Ambuko J, Muriuki AW. "Growth, Yield and Quality of Onion (Allium cepa L.) as Influenced by Nitrogen and Time of Topdressing ." International Journal of Plant & Soil Science. 2018;23(3):1-13.
Munene AK, Nzuve F, Ambuko J, Odeny D. "Heritability Analysis and Phenotypic Characterization of Spider Plant (Cleome gynandra L.) for Yield." Advances in Agriculture. 2018;2018.abstract.pdf
Gateri M.W., R. N, J. A, Muriuki AW. "The Influence Of Rate And Time Of Nitrogen Top Dressing On The Storage Quality Of Onion (Allium Cepa L.)." International Journal of Agriculture, Environment and Bioresearch. 2018;3(4):477-492.
Ambuko J, Karithi E, Hutchinson M, Owino W. "Modified Atmosphere Packaging Enhances the Effectiveness of Coolbot™ Cold Storage to Preserve Postharvest Quality of Mango Fruits." Journal of Food Research. 2018;7(5):7-15.abstract.pdf
Ambuko J, Karithi E, M. Hutchinson, Wasilwa L, Hansen B, Owino W. "Postharvest shelf life of mango fruits stored in a CoolbotTM cold room." Acta Horticulturae . 2018:193-197.abstract.pdf
2017
Ambuko J, Kemunto N, Hutchinson M, Owino W. "Comparison of the Postharvest Characteristics of Mango Fruits Produced under Contrasting Agro-Ecological Conditions and Harvested at Different Maturity Stages." Journal of Agricultural Science. 2017;9(8):181-192.
Thompson JF, Reid MS, Felix L, Donis-Gonzalez I, Mjawa B. "DryCardTM — A Low-Cost Dryness Indicator for Dried Products." AIMS Agriculture and Food. 2017;2(4): 339-344.
O TK, Chemining’wa GN, Ambuko J, Owino W. "Effect of water stress on yield and physiological traits among selected African tomato (Solanum lycopersicum) land races. ." International network for natural sciences – research journal. 2017;10(1):78-85.
Stanley KP, Margaret HJ, Ambuko J, Owino WO. "Efficacy of blanching techniques and solar drying quality of cowpea leaves." Afr. J. Hort. Sci.. 2017;11:18-34.
Mibei, E. K., Owino, J., Ambuko, Giovannoni JJ, Onyango AN. "Metabolomic analyses to evaluate the effect of drought stress on selected African Eggplant accessions." Journal of the Science and Food and Agriculture. 2017.
Maloba S, Ambuko J, Hutchinson M, Owino W. "Off-Season Flower Induction in Mango Fruits Using Ethephon and Potassium Nitrate." Journal of Agricultural Science. 2017;9(9):158-167.
Ambuko J, Wanjiru F, Chemining’wa GN, Owino WO, Mwachoni E. "Preservation of Postharvest Quality of Leafy Amaranth (Amaranthus spp.) Vegetables Using Evaporative Cooling." Journal of Food Quality. 2017:1-6.
2016
Ambuko, Onsongo, N.K., Hutchinson MJ, Owino WO. "A comparative evaluation of quality and sensory characteristics of 'Apple' mango fruits produced under different agro-ecological zones in Kenya. ." Acta Horticulturae. 2016;1120, :429-434.
Owino W, Yumbya P, Shibairo S, Ambuko. J. "Effect of 1-MCP and Modified Atmosphere Packaging on the shelf life of Purple Passion (Passiflora edulis Sims). ." 1. Acta Horticulturae, :. 2016;1120:85-89.
Hutchinson MJ, Muniu FK, Ambuko J, Mwakangalu M, Mwangombe AW, Okello JJ, Olubayo F. "Effect of Cattle Manure and Calcium Ammonium Nitrogen on Growth and Leaf Yield of Local Cowpea Accessions in Coastal Kenya." International Journal of plant and soil science. 2016;12(3):1-12. Abstract

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Njuguna J, Ambuko J, Hutchinson M, Owino W. "Effect of Dolomitic Lime and Muriate of Potash on Jelly Seed Disorder and Fruit Tissue Mineral Content in Mango (Mangifera indica L.)." International Journal of Plant & Soil Science . 2016;12(6):1-8.
G. W. Mungai, Giovanonni JJ, A.B. Nyende, Ambuko J, Owino W. "Phenotypic characterization of selected African eggplant accessions collected from a number of African countries." International Journal of Agricultural Sciences. 2016;6(6):1048-1058.
Ambuko, N.K. Onsongo, Hutchinson MJ, Owino. WO. "Response of ‘Apple Mango’ Fruit to 1-methylcyclopropene as Affected by Agro-ecological Zone and Maturity Stage." Acta Horticulturae: . 2016;1111:347-353.
Owino WO, Ambuko J. "Advances in Ethylene Signal Transduction in Fruits and Vegetables." Postharvest Ripening Physiology of Crops. 2016;1:339. Abstract
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Mibei EK, Ambuko J, Giovannoni JJ, Onyango AN, Owino WO. "Carotenoid profiling of the leaves of selected African eggplant accessions subjected to drought stress." Food Science & Nutrition. 2016. Abstract
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Mwendwa R, Owino OW, Ambuko J, Wawire M, Nenguwo N. "Characterization of postharvest physiology attributes of six commercially grown tomato varieties in Kenya." African Journal of Food, Agriculture, Nutrition and Development. 2016;16:10613-10631. Abstract
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Okello JJ, Hutchinson MJ, Mwang A, Ambuko J, Olubayo F, Mwakangalu M. "Consumer Demand for Value-added Products of African Indigenous Vegetables in Coastal Kenya: The Case of Sun-dried and Frozen Cowpea Leaves." Journal of Agriculture, Food Systems, and Community Development. 2016;6:189-207. Abstract
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2015
Wasonga DO, Ambuko JL, Chemining GN, Odeny DA, Crampton BG. "Morphological Characterization and Selection of Spider Plant (Cleome Gynandra) Accessions from Kenya and South Africa." Asian Journal of Agricultural Sciences. 2015;7:36-44. Abstract
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Muchiri PD, Njogu MK, Nyankanga RO, Landeo JA, Gathungu GK, Ambuko J. "Optimization of seed potato (solanum tuberosum L.) Tuber dormancy and sprouting capacity through integrated gibberellic acid and benzylaminopurine application.". 2015. Abstract
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2014
Githiga R, Ambuko J, Hutchnison M, Owino W. "Effect of Activebag® modified atmosphere packaging on the postharvest characteristics of mango fruits, Mangifera indica L, cultivar Tommy Atkins." Journal of Applied Biosciences. 2014;83:7535-7544. Abstract

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Maloba S, Ambuko J, Hutchinson M, Owino WO. "Effects of ethephon and potassium nitrate on off-season flower induction in mango." RUFORUM. 2014. Abstract

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Shibairo SI, Nyongesa O, Onwonga R, Ambuko J. "Variation of Nutritional and Anti-Nutritional Contents in Finger Millet (Eleusine coracana (L.) Gaertn) Genotypes." Journal of Agriculture and Veterinary Science. 2014;7(11):6-12. Abstract

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Ambuko J, Onsongo NK, Hutchinson MJ, Owino WO. "A comparative evaluation of quality and sensory characteristics of'Apple'mango fruits produced under different agro-ecological zones in Kenya.". In: XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): 1120.; 2014:. Abstract
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Nyankanga RO, Hutchinson JM, Landeo JA, Ambuko J, Njogu MK, Muchiri PD. "Comparative performance of true Potato seed (tps) propagated through nursery transplants, tubers and minitubers.". 2014. Abstract
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Ouma L, Ambuko J, Shibairo S, Owino WO. "Comparison of quality attributes of mango fruits produced from two contrasting agro-ecological zones of Kenya.". In: 4th Biennial Ruforum conference on" African Higher Education Week: Celebrating the contribution of African Universities and Partners to agricultural development in Africa" held in Maputo, Mozambique. Ruforum, Kampala, Uganda.; 2014. Abstract
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Yumbya P, Ambuko J, Shibairo S, Owino W. "Effect of Modified Atmosphere Packaging (MAP) on the Shelf Life and Postharvest Quality of Purple Passion Fruit (Passiflora Edulis Sims)." Journal of Post-Harvest Technology. 2014;2:25-36. Abstract
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Owino WO, Shibairo S, Ambuko J, Yumbya MP. "Efficacy of 1-methylcyclopropene in purple passion fruit (Passiflora edulis Sims) as affected by dosage and maturity stage.". 2014. Abstract
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Owino WO, Yumbya P, Shibairo S, Ambuko J. "Efficacy of Activebag® packaging on postharvest quality of purple passion fruit (Passiflora edulis Sims).". In: XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): 1120.; 2014:. Abstract
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AJM Timmermans, J Ambuko BHWJ. "Food losses and waste in the context of sustainable food systems.". 2014. Abstract
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Ambuko J, Onsongo NK, Hutchinson MJ, Owino WO. "Response of'Apple'mango fruit to 1-methylcyclopropene as affected by agro-ecological zone and maturity stage.". In: XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): IV 1111.; 2014:. Abstract
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Nyongesa O, Ambuko J, Shibairo SI, Onwonga R. "Variation of Nutritional and Anti-Nutritional Contents in Finger Millet (Eleusine coracana (L.) Gaertn) Genotypes.". 2014. Abstract
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2013
and Baraza, A AKOOJYW. "Effect of Agro-Ecological Zone and Maturity on the Efficacy of 1-Methylcyclopropene (1-MCP) in Extending Postharvest Life of Purple Passion (Passiflora Edulis Sims) Fruits. ." Acta Horticulturae:. 2013;1007::73-80.
Ambuko J, Sekozawa Y, Sugaya S, Gemma H. "A comparative Evaluation of Postharvest Quality Attributes of Two Banana (Musa spp) Varieties as Affected by Preharvest Production Conditions." Journal of Agricultural Science. 2013;5:170. Abstract
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Hutchnison MJ, Owino WO, Gemma H, Ambuko J, Githiga RW. "Effect of maturity stage and cultivar on the efficacy of 1-MCP treatments in mango fruits.". 2013. Abstract
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Ambuko J, Yumbya P, Hutchinson M, Gemma H, Owino W. "Efficacy of 1-Methylcyclopropane (1-MCP) in Purple Passion Fruits as Affected by Concentration, Treatment duration and Maturity Stage of the Fruits.". 2013. Abstract
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Ambuko J, Yumbya P, Owino W, others. "Evaluation of Quality and Sensory Attributes of Purple Passion Fruit (Passiflora Edulis Sims) Harvested at Different Stages of Maturity.". 2013. Abstract
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Ambuko J, Zanol GC, Sekozawa Y, Sugaya S, Gemma H. "Reactive oxygen species (ROS) scavenging in hot air preconditioning mediated alleviation of chilling injury in banana fruits." Journal of Agricultural Science. 2013;5:319. Abstract
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Sugaya S, Sekozawa Y, Zanol GC, Ambuko J. "Reactive Oxygen Species (ROS) Scavenging in Hot Air Preconditioning Mediated Alleviation of Chilling Injury in Banana Fruits.". 2013. Abstract
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2012
"Growth, yield and quality response of snap bean (Phaseolus vulgaris L.) plants to different inorganic fertilizers applications in central Kenya." . Journal of Applied Biosciences . 2012;55:3935-3943.
Baraza A, Ambuko J, Kubo Y, Owino WO. "Effect of agro-ecological zone and maturity on the efficacy of 1-methylcyclopropene (1-MCP) in extending postharvest life of purple passion fruits (Passiflora edulis Sims).". In: II All Africa Horticulture Congress 1007.; 2012:. Abstract
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Ambuko J, Githiga RW, Hutchnison MJ, Gemma H, Owino WO. "Effect of maturity stage and cultivar on the efficacy of 1-mcp treatments in mango fruits.". In: II All Africa Horticulture Congress 1007.; 2012:. Abstract
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Owino WO, Gemma H, Hutchnison MJ, Githiga RW, Ambuko J. "Effect of maturity stage and variety on the efficacy of 1-mcp treatments in mango fruits.". 2012. Abstract
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Sekozawa Y, Ambuko JL, Gemma H, Zanol G, Sugaya S. "Effect of Postharvest Hot Air Treatments on Ripening and Soluble Sugars in Banana Fruits, Musa Spp.". 2012. Abstract
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Kamanu JK, CHEMINING GN, Nderitu JH, Ambuko J. "Growth, yield and quality response of snap bean (Phaseolus vulgaris L.) plants to different inorganic fertilizers applications in central Kenya." Journal of Applied Biosciences. 2012;55:3944-3952. Abstract
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Maina JG, Ambuko JL, Lopokoyit M, CHEMINING GN. "Teaching and learning approaches that promote the achievement of vision 2030 for the agriculture sector.". 2012. Abstract
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CHEMINING GN, Lopokoyit M, Ambuko JL, Maina JG. "Teaching and learning approaches that promote the achievement of vision 2030 for the agriculture sector.". 2012. Abstract
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Lopokoyit M, Maina JG, Ambuko JL, CHEMINING GN. "Teaching and learning approaches that promote the achievement of vision 2030 for the agriculture sector.". 2012. Abstract
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2011
Mutinda J, Owino W, Ambuko J. "The effect of modified atmosphere packaging on postharvest shelf life of mango fruits, mangifera indica l, cultivar tommy atkins.". 2011. Abstract
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Githaiga R, Ambuko J, Hutchinson MJ, Owino WO. "Effect of preharvest agro-ecological conditions on the postharvest quality and shelf-life of mango fruits, mangifer indica L. cultivar Tommy Atkins.". 2011. Abstract
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Kamanu JK, Chemingwa GN, Nderitu JH, Ambuko J. "Effect Of Varying Inorganic Nitrogen Fertilizer Regimes On Growth, Yield And Quality Of Snapbeans.". 2011. Abstract
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Muchiri DPM, Nyankanga RO, Hutchinson MJ, Ambuko J. "Effects Of Combined Foliar Application Of Gibberellic Acid And Benzylaminopurine On Potato Tuber Sprouting And Subsequent Yields.". 2011. Abstract
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Nyankanga RO, Hutchinson MJ, Muchiri DPM, Ambuko J. "Effects Of Combined Foliar Application Of Gibberellic Acid And Benzylaminopurine On Potato Tuber Sprouting And Subsequent Yields.". 2011. Abstract
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Ambuko J, Ruto G, Nyikal R, Hutchinson MJ. Essential Services Package of Support to Improve Productivity of Women Smallholder Farmers in Kenya. University of Nairobi,; 2011. Abstract
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Cheminingw'a GN, Maina JGI, Lopokoiyit MC, Ambuko J. "Innovative teaching and learning approaches that promote the development of sustainable agricultural.". 2011. Abstract
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Chemining'wa GN, Lopokoiyit M, Ambuko J, Maina JG. "A paradigm shift in curricula development processes in public universities: Towards a responsive and participatory multistakeholder approach.". 2011. Abstract
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Sekozawa Y, Cemma H, Ambuko J, Sugaya S. "Preharvest cultural practices affect postharvest quality attributes of banana fruits, Musa spp.". 2011. Abstract
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Maina J, Magomere T, Muiru MW, Chemining'wa GN, Ambuko J. "Strengthening capacity of local universities to promote, facilitate and teach rural innovation processes.". 2011. Abstract
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2010
Ambuko JL, Sekozawa Y, Sugaya S, Zanol G, Gemma H. "Effect of Postharvest Hot Air Treatments on Ripening and Soluble Sugars in Banana Fruits, Musa Spp.'Williams'.". In: XXVIII International Horticultural Congress on Science and Horticulture for People (IHC2010): International Symposium on 934.; 2010:. Abstract
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2008
Ambuko JL. "Study on preharvest factors affecting quality and postharvest characteristics of the banana fruit and alleviation of its chilling injury.". 2008. Abstract
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2006
Ambuko JL, Sekozawa Y, Sugaya S, Itoh F, Nakamura M, Gemma H. "Effect of seasonal variation, cultivar and production system on some postharvest characteristic of the banana. ." Acta Horticulturae . 2006;712:505-510.
2005
Owino. W.O., Ambuko JL, Mathooko FM. "Molecular basis of cellwall degradation during fruit ripening and senescence." Stewart Postharvest Review . 2005;3(3).
2003
Ambuko J, Shibairo SI, CHEMINING GN. "Effect of accel (gibberellins (ga.". In: African Crop Science Conference Proceedings. Vol. 6.; 2003:. Abstract
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2001
Ambuko J. Effect of benzyladenine and gibberellins on yield components, yield and the postharvest shelf life of french beans (Phaseolus vulgaris L.).; 2001. Abstract
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