2.) Owuoche, J.O., Briggs, K.G., Taylor, G.J. and Penney, D.C. 1994. Response of Eight Canadian Spring Wheat (Triticum astivum L.) cultivars to copper I. Pollen viability, Grain Yield and yield components. Can. J. Plant Sci. 74:25- 30.
3.) M. Kinyua, R. Wanyera, J.M. Pinto and J.O. Owuoche. 1994. Yellow Rust Resistance in Wheat in Kenya: A Challenge. African Crop Science 1:277-279.
4.) Owuoche, J.O. J.M. Pinto and S. Wekesa. 1994. Resistance of Wheat Cultivars For The Three Rust Species in Kenya. In Breeding for Disease Resistance With Emphasis on Durability Editor Daniel L. Danial , Proceedings of A Regional Workshop for Eastern, Central and Southern Africa, Njoro Kenya. Oct 2-6. p133- 138.
5.) Owuoche, J.O., Briggs, K.G., Taylor, G.J. and Penney, D.C. 1995. Response of Eight Canadian Spring Wheat (Triticum astivum L.) cultivars to copper II. Copper content in the leaves and grains. Can. J. Plant Sci. 75:405-411.
6.) Owuoche, J.O., Briggs, K.G., and Taylor, G.J. 1996. The Efficiency of copper use by 5A/5RL wheat-rye translocated lines of wheat (Triticum aestivum L.) cultivars. Plant and Soil. 180:113-120.
7.) Gathaara, V.N. and Owuoche, J.O. 1997. Triticale (X Triticosecale cereale) Research and Production in Kenya. In Proc of Satellite Meeting of International Triticale Association in Triticale quality. All Africa Crop Science Congress. Pretoria South Africa. Jan 1997 pp 41-50.
8.) Owuoche, J.O. 2001. Heterotic Effects of Wheat-rye Chromosomal Translocation on Yield and Yield components of Hybrid Winter Wheat (Triticum aestivum L.). PhD Thesis.
9.) Xuming Liu, J. H. Hatchett, J.O. Owuoche, Gina Brown-Guedira and Ming-Shun Chen. 2002. Identification and mapping of a novel Hessian fly Resistance gene. CSSA. Indianapolis, Indiana USA.
10.) Owuoche, J.O., R.G. Sears, G.L. Brown-Guedira, B.S. Gill and A.K. Fritz. 2003. Heterotic effects of wheat-rye chromosomal translocations on agronomic traits of hybrid wheat (Triticum aestivum L.) under an adequate moisture regime. Euphytica 132:67-77.
11.) Kimani E.N., J. Ndungu, M.G. Kinyua, and J. O. Owuoche. 2004. Evaluation of Kenyan Wheat (Triticum aestivum L.) lines for bread making quality. 12th Regional Wheat Workshop For East, Central and Southern Africa. Nakuru . Kenya. 22-26th
12.) Brown-Guidera, J.H. Hatchet, X.M. Liu, A.K. Frizt, J.O. Owuoche, B.S. Gill, R.G. Sears, T.S. Cox, and M.S. Chen. 2005 Registration of KS99WGRC42 Hessian Fly Resistant Hard Red Winter Wheat Germplasm. Crop Science 45:804-805.
13.) Liu X.M, Brown-Guedira, G.L., Hatchet J.H., Owuoche J.O. and Chen M.S. 2005. Genetic Characterization and Molecular Mapping of Hessian Fly Resistance Gene Transferred From T. Turgidum spp. diccocum to Common Wheat. Theor. App Genet. 111:1308-1315.
14.) J.N. Oggema, M.G Kinyua, J.P. Ouma and J.O. Owuoche. 2007. Agronomic performance of locally adapted sweet Potato (Ipomea batatas) Cultivars Derived From Tissue Culture Regenerated Plants. J. of Biotech. Africa. 6:1418-1425.
15.) Gudu, S.O., P.O. Kisinyo, E.T. Makatiani, D. W Odee, J.F.O Esegu, S.A.O. Shamchama, C.O. Othieno, J.R. Okalebo, J.R. Osiyo and J. O. Owuoche. 2009. Screening of Sesbania for tolerance to Aluminium Toxicity and symbiotic Effectiveness with Acid Tolerant Rhizobia strains in Acid soils in Western Kenya. Experimental. Agriculture. 45:1-11.
16.) V.W. Wasike, H.N. Mburu, B. Vanlauwe, L.A. Wasilwa, N. Sanginga, N.W. Mungai, L.M. Mumera, D. Lesueur, F.N. Wachira, J.O. Owuoche. 2009. Environmental Influence on the Genetic Diversity of Indigineous Bradyrhizobia Nodulating Promiscuous Soyabean in Kenya. E. Afri. Agric. For. For. J. 75: 109-119.
17.) Okiyo, T., S. Gudu, O. Kiplagat and J. O. Owuoche 2010. Heterosis in Sorghum and Potential for Hybrid Sorghum Production in Kenya. Proceedings of KARI conference 2010 held in Nairobi Kenya.
18.) E.S. Arunga, H.A. Van Rheenen, J.O. Owuoche 2010. Diallel Analysis of Snap Beran (Phaseolus vulgaris L.) varieties for Important traits.9 African Journal of Agricultural Research 5: 1951-1957.
19.) Karimi, R., Owuoche, J.O. and Silim, S.N. 2010. Inheritance of fusarium wilt resistance in pigeonpea [Cajanus cajan (L.) Millspaugh]. Indian J. Genetics and Plant Breeding 70 (3) 271-276.
20.) J.H. Ringo, E.E Mneney, A.O. Onkware, B.A. Were, E.J. Too, J.O. Owuoche and S.O. Gudu. 2010. Tolerance to Alumimium Toxicity in Tanzanian Sorghum genotypes. African Crop Science Journal, Vol. 18: 155 – 164.
21.) T. Okiyo, S. Gudu, O. Kiplagat and J. Owuoche. 2010. Combining Drought And Aluminium Toxicity Tolerance To Improve Sorghum Productivity. African Crop Science Journal, Vol. 18, No. 4, pp. 147 – 154.
22.) Rael Karimi, James Otieno Owuoche, Said Nandy Silim. 2012. Importance and management of fusarium wilt (Fusarium udum Butler) of pigeonpea. International Journal of Agronomy and Agricultural research Vol. 2, (1) 1-14.
23.) Ogutu, M.O., Owuoche ,J.O, Muasya R. and Ouma,G. 2012. Effects of inter-specific interaction of nitrogen fertilizer and bean- maize cropping systems on quality of bean seed in Western Kenya. Agric. Biol. J. N. Am., 3(4): 154-168.
24.) E. E. Arunga, J. O. Ochuodho, M. G. Kinyua and J. O. Owuoche. 2012. Characterization of Uromyces appendiculatus isolates collected from snap bean growing areas in Kenya. African Journal of Agricultural Research Vol. 7(42), pp. 5685-5691.
25.) Ringo J.H., Mneney E. E., Onkware A.O., Owuoche J. O., Were B.A., Too E.J. and Gudu S.O. 2014. Diversity of Sorghum (Sorghum bicolor L. Moench) Germplasm from Tanzania.. Journal of Biology, Agriculture and Healthcare. 4:(24) 36-44.
26.) Kiprotich, F. K., Cheruiyot, E.K., Mwendia, C.M., Wachira, F.N. and Owuoche, J.O. Biochemical quality indicies of Sorghum genotypes from East Africa for Malting and Brewing. African Journal of Biotechnology 13(2): 313-321.
27.) P.K. Kimani, F. Wachira, Erick Kimutai Cheruiyot, J. Owuoche, E. Kimani. 2014. Genetic diversity of African sorghum (Sorghum bicolor L. Moench) accessions based on microsatellite markers. Australian Journal of Crop Science. 8(2):171-177.
28.) Japheth Embeywa Jamoza, James Owuoche, Oliver Kiplagat and Wilson Opile. 2014. Broad-sense heritability estimation and correlation among sugarcane (Saccharum spp. hybrids) yield and some agronomic traits in western Kenya IJAPR. Vol.2 (1), 016-025.
29) Muigai Paul Kimani, Erick Kimutai Cheruiyot, James Otieno Owuoche, Francis Nyamu Wachira, Esther Kimani. 2014. Genetic Diversity of Farmers ’Preferred Sorghum Accessions and Improved Lines from ICRISAT Reveal a Disconnect Between Innovation and Technology Transfer. J. Crop Sci. Biotech. 2014 (June) 17 (2) : 97~102.
30) J.N. Njoroge, J.O.Owuoche and M.E. Oyoo. 2015. Evaluation of Soybean (Glycine max L. Merr.) genotypes for Agronomic and Quality traits in Kenya. African Journal of Agricultural Research. 10(12) 1474-1479.
31) E.E. Arunga, M. Kinyua, J.O. Ochuodho, J.O. Owuoche and E. Chepkoech. 2015. Genetic diversity of Determinate French Beans grown in Kenya based on Morpho-Agronomic and Simple sequence repeat variation. Journal of Plant Breeding and Crop Science. 7(8) 240-250.
32) A. Oluwafemi, J.V Bredson, C.N. Egesi. J.O. Owuoche et al., 2015. International Cassava Genetic Map Consortium. High Resolution Linkage Map and Chromosome Scale Genome Assembly for Cassava (Manihot esculenta Crantz) from 10 populations. Genes/Genomes/Genetics. 5: 133-144.
33) Odongo, F.O., Oyoo, M.E., Wasike, V. , Owuoche, J.O., Karanja, L., and Korir, P. 2015. Genetic Diversity of Bambara Groundnut (Vigna subterranean L. Verdc) Landraces in Kenya Using Microsatellite markers. African Journal of Biotechnology 14(4): 283-291.
34) M. E. Oyoo, M. Najya, S.M. Githiri, P.O. Okwiri, F.K. Minu, E. Masha and J. O. Owuoche. 2015. In-situ morphological Characterization of Coconut in the Coastal Lowlands of Kenya. African Journal of Plant Science 9(2) 65-74.
35) Zennah Kosgey, James O. Owuoche, Michael A. Okiror and Peter N. Njau. 2015. Inheritance of stem rust (Puccinia graminis Pers F. sp. Tritici Erick and E. Hen). International Journal of Agronomy and Agricultural Research. 7(4) :1-13.
36) Mercy N. Wamalwa, Ruth Wanyera, Peter N. Njau, Michael Okiror and James O. Owuoche. 2016. Inheritance of resistance to Ug99 stem rust pathogen in Selected Barley lines. South African Journal of Plant and Soil. 1-6.
37) Ruth Wanyera, Mercy Wamalwa, Mercy Odemba, Hannington Wanga Philister Kinyanjui1, Victoria Onyango, James Owuoche. 2016. Management of wheat rusts at different growth stages using Nativo 300 SC (trifloxystrobin 100g/L+tebuconazole 200g/L) fungicide. Australian Journal of Crop Science. 10(9):1273-1280.
38) Justice Kipkorir Rono, Erick Kimutai Cheruiyot, Jacktone Odongo Othira, Virginia Wanjiku Njuguna, Joseph Kinyoro Macharia. James Owuoche, Moses Oyier, and AlexMachio Kange . 2016. Adaptability and Stability Study of Selected Sweet Sorghum Genotypes for Ethanol Production under Different Environments Using AMMI Analysis and GGE Biplots . The Scientific World Journal http://dx.doi.org/10.1155/2016/4060857 2016: 1-14.
39) Jayne J. Binott, James O. Owuoche and Dorothea Bartels. 2017. Physiological and Molecular Characterization of Kenyan barley (Hordeum vulgare L.) Seedlings for Salinity and Drought Tolerance. Euphytica (2017)213:139. DOI 10.1007/s10681-017-1924-2.
40) Mariera Lucy, Owuoche James O., Cheserek Maureen. 2017 Development of Sorghum Wheat Composite Bread and Evaluation of Nutritional Physical and Sensory Acceptability. African Journal of Food Science and Technology (ISSN:2141-5455) Vol 8(7)pp 113-119 September 2017 DOI:http:/dx.doi.org/10.14303/ajfst.2017.118. http://www.interesjournals.org/AFST/.
41) Anncetta Gakii Nyamu, James O. Owuoche, Pascal O. Okwiri and Ruth Wanyera. 2017. Evaluation of Kenyan wheat (Triticum aestimum L.) genotypes for leaf rust (Puccinia triticina Eriks.) at adult plant stage. International Journal of Agronomy and Agricultural Research ISSN: 2223-7054 (Print) 2225-3610 (Online) http://www.innspub.net Vol. 11, (6,) 66-78.
42) Aleri O. I. 2019. Evaluation of triticale (X. Triticosecale Wittmack) genotypes for adult plant resistance to stem rust (Puccinia graminis f. sp. tritici). African Journal of Plant Science. DOI:10.5897/AJPS2018.1733.
43) Embeywa Jamoza, James Owuoche and Oliver Kiplagat. 2019. Estimates of genetic parameters and genotype by environment interactions for sugar yield and its components in sugarcane genotypes in Western Kenya. Journal of Plant Breeding and Crop Science. 11(9), 206-212, DOI: 10.5897/JPBCS2019.0813.