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United States Department of Agriculture

Agricultural Research Service

Related Topics

Modesto Ocen Olanya
Food Safety and Intervention Technologies Research
Microbiology

Phone: (215) 233-6471
Fax: (215) 233-6406
Room 3112.2

USDA, ARS, ERRC
600 E. MERMAID LANE
ERRC
WYNDMOOR , PA 19038

Projects
Development of Alternative Intervention Technologies for Fresh or Minimally Processed Foods
Appropriated (D)
  Accession Number: 430150
Food Safety Interventions of Eggs and Produce with University of Puerto Rico
Nonfunded Cooperative Agreement (N)
  Accession Number: 428893

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Quantity and nature of water-extractable organic matter from sandy loam soils with potato cropping managements -
He, Z., Zhang, M., Zhao, A., Olanya, O.M., Larkin, R.P., Honeycutt, C.W. 2016. Quantity and nature of water-extractable organic matter from sandy loam soils with potato cropping managements. Agricultural and Environmental Letters. 1:160023 (6 pages).
Cumulative and residual effects of different potato cropping system management strategies on soilborne diseases and soil microbial communities over time -
Cultivar preference and sensory evaluation of vegetable pigeon pea (Cajanus cajan) in Eastern Kenya -
Ojwang, D.J., Nyankanga, R.O., Imungi, J., Olanya, O.M., Ukuku, D.O. 2016. Cultivar preference and sensory evaluation of vegetable pigeon pea (Cajanus cajan) in Eastern Kenya. Food Security Journal. 8:757-767.
Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces and transfer to fresh-cut pieces -
Ukuku, D.O., Mukhopadhyay, S., Geveke, D.J., Olanya, O.M., Niemira, B.A. 2016. Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces and transfer to fresh-cut pieces. Journal of Food Protection. DOI:10.4315/0362-028X.JFP-16-046.
Yield potential of pigeon pea cultivars -
Ojwang, D.J., Nyankanga, R.O., Olanya, O.M., Ukuku, D.O., Imungi, J. 2016. Yield potential of pigeon pea cultivars. Subtropical Agriculture and Environments. 67:1-12.
Survival of Salmonella enterica on soybean sprouts following treatments with gaseous chlorine dioxide and biocontrol Pseudomonas bacteria -
Berrios, A., Olanya, O.M., Annous, B.A., Cassidy, J.M., Orellana, L. 2016. Survival of Salmonella enterica on soybean sprouts following treatments with gaseous chlorine dioxide and biocontrol Pseudomonas bacteria [abstract]. Institute of Food Technologist. p. 60.
Cost modeling of biocontrol strains Pseudomonas chlororaphis and P. flurorescens for competitive exclusion of Salmonella enterica on tomatoes -
Olanya, O.M., Sites, J.E., Hoshide, A.K. 2016. Cost modeling of biocontrol strains Pseudomonas chlororaphis and P. flurorescens for competitive exclusion of Salmonella enterica on tomatoes. Journal of Food Protection. 79:182-183.
Adhesive properties of water washed cottonseed meal on four types of wood -
He, Z., Chapital, D.C., Cheng, H.N., Modesto, O.O. 2016. Adhesive properties of water washed cottonseed meal on four types of wood. Journal of Adhesion Science and Technology. 30(19):2109-2119.
Growth parameters of vegetable pigeon pea cultivars -
Ojwang, D.J., Nyankanga, R.O., Imungi, J., Olanya, O.M. 2016. Growth parameters of vegetable pigeon pea cultivars. HortTechnology. Volume 26: page 5.
Cost modeling of pseudomonoas fluorescens and pseudomonoas chlororphis biocontrol for competitive exclusion of salmonella enterica on tomatoes -
Olanya, O.M., Sites, J.E., Hoshide, A.K. 2016. Cost modeling of pseudomonoas fluorescens and pseudomonoas chlororphis biocontrol for competitive exclusion of salmonella enterica on tomatoes. Biocontrol Science and Technology. 26:651-664.
Plant characteristics and growth parameters of vegetable pigeon pea cultivars Reprint Icon -
Ojwang, D.J., Nyankanga, R.O., Imungi, J., Olanya, O.M. 2016. Plant characteristics and growth parameters of vegetable pigeon pea cultivars. HortTechnology. 26:97-105.
Purification and host specificity of predatory halobacteriovorax isolated from seawater -
Richards, G.P., Fay, J.P., Uknalis, J., Olanya, O.M., Watson, M.A. 2016. Purification and host specificity of predatory halobacteriovorax isolated from seawater. Applied and Environmental Microbiology. Volume 82: Number 3: Pages 922-927.
Survival potential of Phytophthora infestans in relation to environmental factors and late blight occurrence -
Olanya, O.M., Anwar, M., He, Z., Larkin, R.P., Honeycutt, C.W. 2016. Survival potential of Phytophthora infestans in relation to environmental factors and late blight occurrence. Journal of Plant Protection Research. 56:73-81.
Potential of predatory bacteria as biocontrol agents for foodborne and plant pathogens -
Olanya, O.M., Lakshman, D.K. 2015. Potential of predatory bacteria as biocontrol agents for foodborne and plant pathogens. Journal of Plant Pathology. 97:405-417.
Adhesive properties of water washed cottonseed meal on poplar, douglas fir, walnut, and white oak -
He, Z., Chapital, D.C., Olanya, O.M. 2015. Adhesive properties of water washed cottonseed meal on poplar, douglas fir, walnut, and white oak. Proceedings of the 69th Forest Products Society (FPS) International Convention, June 10-12, 2015, Atlanta, GA. Track 1.2.1.
Survival, Injury and Inactivation of Human Bacterial Pathogens in Foods: Effect of Non-Thermal Treatments -
Ukuku, D.O., Latiful, B., Kassama, L.S., Mukhopadhyay, S., Olanya, O.M. 2015. Survival, Injury and Inactivation of Human Bacterial Pathogens in Foods: Effect of Non-Thermal Treatments. Book Chapter. Foodborne Pathogens and Safety (Food Biology Series) Bari, Md.L, Dike Ukuku, editors; CRC Press.Taylor and Francis Group.Boca Raton, Florida, USA. p. 82-96.
Incidence of Phytophthora infestans (Mont.) de Bary on potato and tomato in Maine, 2006-2010 -
Olanya, O.M., Larkin, R.P., Honeycutt, C.W. 2015. Incidence of Phytophthora infestans (Mont.) de Bary on potato and tomato in Maine, 2006-2010. Journal of Plant Protection Research. 55:58-68.
Changes in free polyphenol levels in Satsuma leaves in response to Asian citrus psyllid infestation and water stress -
Malik, N.S., Perez, J.L., Kunta, M., Olanya, O.M. 2015. Changes in free polyphenol levels in Satsuma leaves in response to Asian citrus psyllid infestation and water stress. Open Agriculture Journal. DOI: 10.2174/1874331501509010001.
Effects of Pseudomonas chlororaphis and gaseous chlorine dioxide on the survival of Salmonella enterica on tomatoes -
Olanya, O.M., Annous, B.A., Taylor, J. 2015. Effects of Pseudomonas chlororaphis and gaseous chlorine dioxide on the survival of Salmonella enterica on tomatoes. International Journal of Food Science and Technology. 50:1102-1108.
Effects of gamma irradiation on the survival of Pseudomonas fluorescens inoculated on romaine lettuce -
Olanya, O.M., Niemira, B.A., Phillips, J.G. 2015. Effects of gamma irradiation on the survival of Pseudomonas fluorescens inoculated on romaine lettuce. LWT - Food Science and Technology. 62:55-61.
Inactivation of Salmonella serovars by Pseudomonas chlororaphis and Pseudomonas fluorescens strains on tomatoes -
Olanya, O.M., Taylor, J., Ukuku, D.O., Malik, N.S. 2014. Inactivation of Salmonella serovars by Pseudomonas chlororaphis and Pseudomonas fluorescens strains on tomatoes. Biocontrol Science and Technology. 25(4):399-413. DOI:10.1080/09583157.2014.982513.
Combining biocontrol with chlorine dioxide and other intervention technologies for inactivation of foodborne pathogens on produce -
Olanya, O.M., Annous, B.A. 2014. Combining biocontrol with chlorine dioxide and other intervention technologies for inactivation of foodborne pathogens on produce. Attendance and presentation @ 9th Dubai International Food Safety Conference.Meeting Abstract. 11/9-11/2014, Dubai Conference Center, Dubai, United Arab Emirates.
Application of tung oil to improve adhesion strength and water resistance of cottonseed meal and protein adhesives on maple veneer -
He, Z., Chapital, D.C., Cheng, H.N., Klasson, K.T., Olanya, O.M., Uknalis, J. 2014. Application of tung oil to improve adhesion strength and water resistance of cottonseed meal and protein adhesives on maple veneer. Industrial Crops and Products. 61:398-402.
Survival, injury and inactivation of Escherichia coli 0157:H7, salmonella and aerobic mesophilic bacteria in apple juice and cider amended with nisin-edta -
Ukuku, D.O., Geveke, D.J., Mukhopadhyay, S., Olanya, O.M., Juneja, V.K. 2014. Survival, injury and inactivation of Escherichia coli 0157:H7, salmonella and aerobic mesophilic bacteria in apple juice and cider amended with nisin-edta. Journal of Food Processing and Technology. 5:385.
Progress on the bio-control of foodborne pathogens on leafy greens with non-pathogenic microbes -
Olanya, O.M., Ukuku, D.O. 2014. Progress on the bio-control of foodborne pathogens on leafy greens with non-pathogenic microbes. Meeting Abstract. IAFP Meeting, Indianapolis, Indiana. Volume 5: Page 44.
Potential for bio-control of food-borne pathogens with Bacteriovorax spp. and implications for food safety -
Olanya, O.M., Richards, G.P. 2014. Potential for bio-control of food-borne pathogens with Bacteriovorax spp. and implications for food safety. Meeting Abstract. Proceedings of the 3rd International Conference and Exhibition on Food Processing and Technology. Las Vegas, Nevada. 2014. Volume 5: Page 47.
Intervention technologies for food safety on minimally processed produce:Perspectives on food-borne and plant pathogens -
Olanya, O.M., Niemira, B.A. 2014. Intervention technologies for food safety on minimally processed produce:Perspectives on food-borne and plant pathogens. Meeting Abstract. Proceedings of the 3rd International Conference and Exhibition on Food Processing and Technology. Las Vegas, NV. Volume 5: Page 130.
Effects of early and late harvest on agronomic performance and stability of late blight resistant (R-gene free) potato genotypes -
Nyankanga, R.O., Kiplagat, K.W., Narla, R.D., Shibairo, S.I., Kabira, J.N., Landeo, J.A., Olanya, O.M. 2014. Effects of early and late harvest on agronomic performance and stability of late blight resistant (R-gene free) potato genotypes. Journal of Crop Science and Biotechnology. 17:89-96.
Sensitivity of Pseudomonas fluorescens to gamma irradiation following surface inoculations on romaine lettuce and baby spinach -
Olanya, O.M., Niemira, B.A., Phillips, J.G. 2014. Sensitivity of Pseudomonas fluorescens to gamma irradiation following surface inoculations on romaine lettuce and baby spinach. Journal of Food Protection Supplement. Meeting Abstract. IAFP Annual Meeting, Indianapolis, Indiana. 8/3 to 8/6, 2014. Volume 71: 104 pg..
Assessment of Pseudomonas fluorescens and Escherichia coli 0157:H7 populations in monocultures and co-cultures as influenced by substrates, temperatures and storage times. -
Olanya, O.M., Ukuku, D.O., Niemira, B.A., Taylor, J. 2014. Assessment of Pseudomonas fluorescens and Escherichia coli 0157:H7 populations in monocultures and co-cultures as influenced by substrates, temperatures and storage times.. Meeting Abstract. IAFP Meeting. Indianapolis, Indiana. Volume 71, Page 67.
Relationships of crop and soil management systems to meteorological variables and potato diseases on a Russet burbank cultivar -
Olanya, O.M., Larkin, R.P., Halloran, J.M., He, Z. 2014. Relationships of crop and soil management systems to meteorological variables and potato diseases on a Russet burbank cultivar. Journal of Agricultural Meteorology of Japan. 70(2):91-104.
Effects of temperature and storage time on resting populations of Escherichia coli 0157:H7 and Pseudomonas flurorescens in vitro Reprint Icon -
Olanya, O.M., Ukuku, D.O., Niemira, B.A. 2014. Effects of temperature and storage time on resting populations of Escherichia coli 0157:H7 and Pseudomonas flurorescens in vitro. Food Control. 39:128-134.
Effect of organic acid treatments on microbial safety and overall acceptability of fresh-cut melon cubes -
Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M. 2013. Effect of organic acid treatments on microbial safety and overall acceptability of fresh-cut melon cubes. International Journal of Food, Agriculture, and the Environment. 11(3&4):340-345.
Prospects for biocontrol of foodborne pathogens on leafy greens with Pseudomonas fluorescens -
Olanya, O.M., Niemira, B.A., Ukuku, D.O., Annous, B.A., Sommers, C.H. 2013. Prospects for biocontrol of foodborne pathogens on leafy greens with Pseudomonas fluorescens. The 2nd International Conference and Exhibition on Nutritional Science. Abstract. 3(4):69.
Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach -
Olanya, O.M., Ukuku, D.O., Annous, B.A., Niemira, B.A., Sommers, C.H. 2013. Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach. International Journal of Food, Agriculture, and the Environment. 11:86-91.
Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach -
Olanya, O.M., Ukuku, D.O., Niemira, B.A., Annous, B.A., Sommers, C.H. 2013. Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach. Meeting Abstract. Journal of Food Protection, Volume 76 (supplement),Page 35.
Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach -
Olanya, O.M., Annous, B.A., Niemira, B.A., Ukuku, D.O., Sommers, C.H. 2013. Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach. Meeting Abstract. IFT13., July 13-16,2013, Chicago, Illinois., Page 104.
Economic potential of compost amendment as an alternative to irrigation in Maine potato production systems Reprint Icon -
Halloran, J.M., Larkin, R.P., Defauw, S.L., Olanya, O.M., He, Z. 2013. Economic potential of compost amendment as an alternative to irrigation in Maine potato production systems. American Journal of Plant Sciences. 4:238-245.
Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach Reprint Icon -
Olanya, O.M., Annous, B.A., Niemira, B.A., Ukuku, D.O., Sommers, C.H. 2012. Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach. Journal of Food Safety. 32:492-501.
Transfer of Listeria monocytogenes serovars from cantaloupe rind surfaces to fresh cut pieces during preparation: effect of native microflora waiting period and storage temperature on the population of pathogens -
Ukuku, D.O., Olanya, O.M., Geveke, D.J., Sommers, C.H. 2012. Transfer of Listeria monocytogenes serovars from cantaloupe rind surfaces to fresh cut pieces during preparation: effect of native microflora waiting period and storage temperature on the population of pathogens. Journal of Food Protection. 75(11)1912-1919.
Differences in modified Morgan phosphorus levels determined by colorimetric and inductively coupled plasma methods -
He, Z., Zhang, H., Olanya, O.M., Frantz, J.M., Larkin, R.P. 2012. Differences in modified Morgan phosphorus levels determined by colorimetric and inductively coupled plasma methods. Open Journal of Soil Science. 2(3):256-262.
Effectiveness of SIMBLIGHT1 and SIMPHYT1 models for predicting Phytophthora infestans in the Northeastern United States -
Olanya, O.M., Honeycutt, C.W., Tschope, B., Kleinhenz, B., Lambert, D.H., Johnson, S.B. 2012. Effectiveness of SIMBLIGHT1 and SIMPHYT1 models for predicting Phytophthora infestans in the Northeastern United States. Archives of Phytopathology and Plant Protection. 45:1558-1569.
Efficacy of fungicide combinations, phosphoric acid, and plant extract from stinging nettle on potato late blight management and tuber yield -
Nyankanga, R.O., Njogu, M.K., Muthomi, J.W., Olanya, O.M. 2012. Efficacy of fungicide combinations, phosphoric acid, and plant extract from stinging nettle on potato late blight management and tuber yield. Archives of Phytopathology and Plant Protection. 45:1449-1463.
Effect of storage temperature on the survival and growth of Listeria monocyotogenes populations in the presence of indigenous surface microflora of fresh-cut cantaloupes -
Ukuku, D.O., Olanya, O.M., Geveke, D.J., Sommers, C.H. 2012. Effect of storage temperature on the survival and growth of Listeria monocyotogenes populations in the presence of indigenous surface microflora of fresh-cut cantaloupes [abstract]. International Association for Food Protection Annual Meeting., July 20-25, 2012, Providence, Rhode Island. 1:1.
Impacts of crop rotation and irrigation on soilborne diseases and soil microbial communities -
Larkin, R.P., Honeycutt, C.W., Olanya, O.M., Halloran, J.M., He, Z. 2012. Impacts of crop rotation and irrigation on soilborne diseases and soil microbial communities. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable potato production: global case studies. Amsterdam, The Netherlands: Springer. p. 23-41.
Early and late blight potential on Russet Burbank potato as affected by microclimate, cropping systems and irrigation management in North-eastern United States -
Olanya, O.M., Honeycutt, C., He, Z., Larkin, R.P., Halloran, J.M., Frantz, J. 2012. Early and late blight potential on Russet Burbank potato as affected by microclimate, cropping systems and irrigation management in North-eastern United States. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable Potato Production: Global Case Studies. Amsterdam, The Netherlands: Springer. 43-60.
Optimization of late blight and bacterial wilt management in potato production systems in the highland tropics of Africa -
Olanya, O.M., Nyankanga, R., Ojiambo, P., Lemaga, B., Kakuhenzire, R., Fontem, D. 2012. Optimization of late blight and bacterial wilt management in potato production systems in the highland tropics of Africa. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable potato production: global case studies. Amsterdam, The Netherlands: Springer. p. 509-531.
Effects of microclimate, cropping systems, and irrigation management on early and late blight potential on Russet Burbank potato -
Comparison of soil phosphorus status and organic matter composition in potato fields with different crop rotation systems -
He, Z., Honeycutt, C., Olanya, O.M., Larkin, R.P., Halloran, J.M., Frantz, J. 2012. Comparison of soil phosphorus status and organic matter composition in potato fields with different crop rotation systems. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable Potato Production: Global Case Studies. Amsterdam, The Netherlands: Springer. 61-79.
Comparing modeled productivity to historical data in New England potato production systems -
Frantz, J., Larkin, R.P., Trusty, G.M., Honeycutt, C., He, Z., Olanya, O.M., Halloran, J.M. 2012. Comparing modeled productivity to historical data in New England potato production systems. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable Potato Production: Global Case Studies. Amsterdam, The Netherlands: Springer. p. 81-85.
Use of disease-suppressive Brassica rotation crops in potato production: overview of 10 years of field trials -
Larkin, R.P., Olanya, O.M., Halloran, J.M., He, Z., Honeycutt, C. 2011. Use of disease-suppressive Brassica rotation crops in potato production: overview of 10 years of field trials. American Phytopathological Society. 101:S98.
Survival potential of Phytophthora infestans sporangia in relation to meteorological factors -
Olanya, O.M., Larkin, R.P., He, Z., Jain, S., Honeycutt, C. 2011. Survival potential of Phytophthora infestans sporangia in relation to meteorological factors. American Phytopathological Society Abstracts. 101:6, S132.
Use of Brassica and other disease-suppressive rotation crops in potato production systems -
Larkin, R.P., Olanya, O.M., Halloran, J.M., He, Z. 2011. Use of Brassica and other disease-suppressive rotation crops in potato production systems [abstract]. Northeast Potato Technology Forum. p. 30.
Soil phosphorus changes impacted by potato cropping management -
He, Z., Larkin, R.P., Olanya, O.M., Halloran, J.M. 2011. Soil phosphorus changes impacted by potato cropping management. Northeast Potato Technology Forum. March 16-17, 2011; P26.
Management of Verticillium wilt of potato with disease-suppressive green manures and as affected by previous cropping history -
Larkin, R.P., Honeycutt, C.W., Olanya, O.M. 2011. Management of Verticillium wilt of potato with disease-suppressive green manures and as affected by previous cropping history. Plant Disease. 95:568-576.
Soil test phosphorus and microbial biomass phosphorus in potato fields -
He, Z., Honeycutt, C.W., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2011. Soil test phosphorus and microbial biomass phosphorus in potato fields. International Journal of Food, Agriculture, and the Environment. 9(1):540-545.
Validation of a tuber blight (Phytophthora infestans) prediction model -
Nyankanga, R.O., Olanya, O.M., Ojiambo, P.S., Wien, H.C., Honeycutt, C.W., Kirk, W.W. 2011. Validation of a tuber blight (Phytophthora infestans) prediction model. Crop Protection Journal. 30:547-553.
Comparative assessment of pest management practices in potato production at farmer field schools -
Olanya, O.M., Hakiza, J.J., Nelson, R.J., El-Bedewy, R., Namanda, S., Kakuhenzire, R., Wagoire, W.W., Imelda, K., Ngombe, B., Musoke, C., Ewell, P.T. 2010. Comparative assessment of pest management practices in potato production at farmer field schools. Food Security Journal. 2:327-341.
Effects of different potato cropping system approaches and water management on soilborne diseases and soil microbial communities -
Larkin, R.P., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., Halloran, J.M., He, Z. 2010. Effects of different potato cropping system approaches and water management on soilborne diseases and soil microbial communities. Phytopathology. 101:58-67.
Soil test and microbial biomass phosphorus levels impacted by potato cropping system and water management -
He, Z., Honeycutt, C.W., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2010. Soil test and microbial biomass phosphorus levels impacted by potato cropping system and water management. International Symposium on Phosphorus Dynamics in the Soil Plant Continuum. September 19-23, 2010. CD-ROM.
Assessment of SIMBLIGHT1, SIMPHYT1, and NOBLIGHT models for predicting Phytophthora infestans in the northeastern U.S. -
Olanya, O.M., Honeycutt, C.W., Larkin, R.P., He, Z. 2010. Assessment of SIMBLIGHT1, SIMPHYT1, and NOBLIGHT models for predicting Phytophthora infestans in the northeastern U.S.. American Phytopathological Society. 100:592.
Management of Verticillium wilt with disease-suppressive crop rotations -
Larkin, R.P., Honeycutt, C.W., Olanya, O.M. 2010. Management of Verticillium wilt with disease-suppressive crop rotations. American Phytopathology Society. 100:S67.
Effects of supplemental irrigation and soil management: effects on potato tuber diseases -
Olanya, O.M., Porter, G.A., Lambert, D.H., Starr, G.C., Larkin, R.P., Bradbury, B. 2010. Effects of supplemental irrigation and soil management on potato tuber diseases. Plant Pathology. 9:68-72.
Occurrence of Phytophthora infestans on potato and tomato hosts -
Olanya, O.M., Honeycutt, C.W., Larkin, R.P., He, Z. 2010. Occurrence of Phytophthora infestans on potato and tomato hosts [abstract]. Northeast Potato Technology Forum. p. 40.
Update on the use of disease-suppressive crops in potato rotations -
Larkin, R.P., Honeycutt, C.W., Olanya, O.M., He, Z. 2010. Update on the use of disease-suppressive crops in potato rotations. Northeast Potato Technology Forum. pages 10-11.
Effects of Potato Cropping Systems and Irrigation on Soil Organic Matter Composition -
He, Z., Honeycutt, C.W., Zhang, H., Larkin, R.P., Olanya, O.M. 2010. Effects of Potato Cropping Systems and Irrigation on Soil Organic Matter Composition. Northeast Potato Technology Forum. P13.
Increases of soil phosphatase and urease activities in potato fields by cropping rotation practices -
He, Z., Honeycutt, C.W., Griffin, T.S., Larkin, R.P., Olanya, O.M., Halloran, J.M. 2010. Increases of soil phosphatase and urease activities in potato fields by cropping rotation practices. Journal of Food Agriculture and Environment. 8:1112-1117.
Supplemental irrigation and cultivar effects on potato tuber diseases -
Olanya, O.M., Porter, G.A., Lambert, D.H. 2010. Supplemental irrigation and cultivar effects on potato tuber diseases. Australian Journal of Crop Science. 4:29-36.
Soil phosphatase and urease activities impacted by cropping systems and water management -
He, Z., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2009. Soil phosphatase and urease activities impacted by cropping systems and water management. American Society of Agronomy Meetings. on-line publication.
Efficacy of Fungicide Mixtures for Management of Phytophthora infestans (US-1) on Potato -
Muchiri, F.N., Narla, R.D., Olanya, O.M., Nyankanga, R.O., Ariga, E.S. 2009. Efficacy of Fungicide Mixtures for Management of Phytophthora infestans (US-1) on Potato. Phytoprotection. 90:19-29.
Recent developments and challenges in the mansgement of tuber blight of potato (Solanum tuberosum) caused by Phytophthora infestans -
Olanya, O.M., Ojiambo, P.S., Nyankanga, R.O., Honeycutt, C.W., Kirk, W.W. 2009. Recent developments and challenges in the mansgement of tuber blight of potato (Solanum tuberosum) caused by Phytophthora infestans. Canadian Journal of Plant Pathology. 31:280-289.
Comparison of three soil P tests and their relationship with potato yield -
He, Z., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2009. Comparison of three soil P tests and their relationship with potato yield. Soil Science Society of America Annual Meeting. Published on CD-Rom.
Yield Stability Analysis of Ipomoea batatus L. Cultivars in Diverse Environments -
Osiru, M., Adipala, E., Olanya, O.M., Kapinga, R., Lemaga, B. 2009. Yield Stability Analysis of Ipomoea batatus L. Cultivars in Diverse Environments. Australian Journal of Crop Science. 3:213-220.
Cropping system effects on soilborne potato diseases and soil microbial communities -
Larkin, R.P., Honeycutt, C.W., Griffin, T.S., Halloran, J.M., Olanya, O.M., He, Z. 2009. Cropping system effects on soilborne potato diseases and soil microbial communities. Phytopathology. 99:S69.
The effect of cropping systems and irrigation management on development of potato early blight -
Olanya, O.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S., He, Z., Halloran, J.M. 2009. The effect of cropping systems and irrigation management on development of potato early blight. Journal of Plant Pathology. 75:367-375.
Fungicide effects on different spore types of Phytophthora infestans -
Olanya, O.M., Honeycutt, C.W., Larkin, R.P., He, Z., Halloran, J.M. 2009. Fungicide effects on different spore types of Phytophthora infestans. (abstract) American Phytopathological Society annual meeting. p.741.
The role of disease-suppressive rotation crops in managing soilborne potato diseases -
Larkin, R.P., Honeycutt, C.W., Olanya, O.M., Griffin, T.S. 2009. The role of disease-suppressive rotation crops in managing soilborne potato diseases. American Journal of Potato Research. 87:130.
Development of early and late blight under different cropping systems and irrigation management -
Olanya, O.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S., He, Z., Halloran, J.M. 2009. Development of early and late blight under different cropping systems and irrigation management. (abstract) Potato Association of America Proceedings. p. 48.
Development of early and late blight under different cropping systems and irrigation management -
Olanya, O.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S., He, Z., Halloran, J.M. 2009. Development of early and late blight under different cropping systems and irrigation management. Northeast Potato Technology Forum. p. 9.
Identifying Constraints to Potato System Sustainability: Soil Test Phosphorus and Soil Microbial Biomass Phosphorus -
He, Z., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2009. Identifying Constraints to Potato System Sustainability: Soil Test Phosphorus and Soil Microbial Biomass Phosphorus. Northeast Potato Technology Forum. Pages 3-6.
Identifying constraints to potato system sustainability: soil and plant growth relationships -
Honeycutt, C.W., Griffin, T.S., Larkin, R.P., He, Z., Olanya, O.M., Halloran, J.M. 2009. Identifying constraints to potato system sustainability: soil and plant growth relationships. Northeast Potato Technology Forum. p. 1.
Identifying constraints to potato systems sustainability: Soilborne diseases and soil microbial communities -
Larkin, R.P., Honeycutt, C.W., Griffin, T.S., Halloran, J.M., Olanya, O.M., He, Z. 2009. Identifying constraints to potato systems sustainability: Soilborne diseases and soil microbial communities. Northeast Potato Technology Forum Proceedings. p. 7.
Identifying and reducing constraints to potato productivity -
Honeycutt, C.W., Griffin, T.S., Larkin, R.P., Halloran, J.M., Olanya, O.M., He, Z. 2009. IDENTIFYING AND REDUCING CONSTRAINTS TO POTATO PRODUCTIVITY. Maine Potato Conference Abstracts. Page 23.
Infection Potential of Hairy Nightshade (Solanum sarrachoides) by Phytophthora Infestans and Late Blight Implications of the Alternate Host -
Olanya, O.M., Plant, A.B., Larkin, R.P., Honeycutt, C.W. 2009. Infection Potential of Hairy Nightshade (Solanum sarrachoides) by Phytophthora Infestans and Late Blight Implications of the Alternate Host. Journal of Phytopathology. 157:427-437.
Identifying Constraints to Potato System Sustainability: Soils -
Honeycutt, C.W., Griffin, T.S., He, Z., Larkin, R.P., Olanya, O.M., Halloran, J.M. 2008. Identifying Constraints to Potato System Sustainability: Soils. Potato Association of America Proceedings. CD-ROM.
Identifying Constraints to Potato Cropping System Sustainability -
Honeycutt, C.W., Griffin, T.S., Larkin, R.P., He, Z., Olanya, O.M., Halloran, J.M. 2008. Identifying Constraints to Potato Cropping System Sustainability. American Society of Agronomy Abstracts. Published on CD-Rom.
Modifying Potato Systems to Reduce Yield Constraints -
Griffin, T.S., Honeycutt, C.W., Larkin, R.P., Halloran, J.M., Olanya, O.M., He, Z. 2008. Modifying Potato Systems to Reduce Yield Constraints. American Society of Agronomy Branch Meeting. CD-ROM.
Effects of Mulch and Potato Hilling on Development of Foliar Blight (Phytophthora infestans) and Control of Tuber Blight Infection -
Nyankanga, R.O., Wien, H.C., Olanya, O.M. 2008. Effects of Mulch and Potato Hilling on Development of Foliar Blight (Phytophthora infestans) and Control of Tuber Blight Infection. Potato Research. 51:101-111.
Stability of Sweet Potato Cultivars to Alternaria Leaf and Stem Blight Disease -
Osiru, M., Olanya, O.M., Adipala, E., Lemaga, B., Kapinga, R. 2009. Stability of Sweet Potato Cultivars to Alternaria Leaf and Stem Blight Disease. Journal of Phytopathology. 157:172-180.
Enhancing Potato System Sustainability: Microclimate, Early Blight and Late Blight Potential -
Olanya, O.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S., He, Z., Halloran, J.M. 2008. Enhancing Potato System Sustainability: Microclimate, Early Blight and Late Blight Potential. American Phytopathological Society Abstracts. 98:S115.
Identifying Constraints to Potato System Sustainability: Diseases -
Larkin, R.P., Olanya, O.M., Griffin, T.S., Honeycutt, C.W., He, Z., Halloran, J.M. 2008. Identifying Constraints to Potato System Sustainability: Diseases. Potato Association of America Proceedings. CD-ROM.
Development of Tuber Blight (Phytophthora infestans) on Potato Cultivars Based on In-Vitro Assays and Field Evaluations -
Nyankanga, R.O., Olanya, O.M., Wien, H.C., El-Bedewy, R., Ojiambo, P.S., Karinga, J. 2008. Development of Tuber Blight (Phytophthora infestans) on Potato Cultivars Based on In-Vitro Assays and Field Evaluations. HortScience.43:1501-1508.
Enhancing Potato System Sustainability: Assessing the Economic Potential of Alternative Systems -
Halloran, J.M., Honeycutt, C.W., Griffin, T.S., Larkin, R.P., Olanya, O.M., He, Z. 2008. Enhancing Potato System Sustainability: Assessing the Economic Potential of Alternative Systems. Northeast Potato Technology Forum Abstracts. CD-ROM.
Enhancing Potato System Sustainability: Storage and Cycling of Carbon and Plant Nutrients in Soil -
Griffin, T.S., Honeycutt, C.W., He, Z., Larkin, R.P., Halloran, J.M., Olanya, O.M. 2008. Enhancing Potato System Sustainability: Storage and Cycling of Carbon and Plant Nutrients in Soil. Northeast Potato Technology Forum Abstracts. CD-ROM.
Enhancing Potato System Sustainability: Project Overview, Plant Growth, and Yield -
Honeycutt, C.W., Griffin, T.S., Larkin, R.P., Halloran, J.M., Olanya, O.M., He, Z. 2008. Enhancing Potato System Sustainability: Project Overview, Plant Growth, and Yield. Northeast Potato Technology Forum Abstracts. CD-ROM.
Enhancing Potato System Sustainability: Soilborne Diseases and Soil Microbial Communities -
Larkin, R.P., Honeycutt, C.W., Griffin, T.S., Halloran, J.M., Olanya, O.M., He, Z. 2008. Enhancing Potato System Sustainability: Soilborne Diseases and Soil Microbial Communities. Northeast Potato Technology Forum Abstracts. CD-ROM.
Enhancing Potato System Sustainability: Microclimate, Early Blight and Late Blight Potential -
Olanya, O.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S., He, Z., Halloran, J.M. 2008. Enhancing Potato System Sustainability: Microclimate, Early Blight and Late Blight Potential. Northeast Potato Technology Forum Abstracts.
Enhancing Potato System Sustainability: Crop Rotation Impacts on Soil Phosphatase Activity -
He, Z., Honeycutt, C.W., Griffin, T.S., Olanya, O.M., Larkin, R.P., Halloran, J.M. 2008. Enhancing Potato System Sustainability: Crop Rotation Impacts on Soil Phosphatase Activity. Northeast Potato Technology Forum Abstracts. p. 47-51.
Leaf Petiole and Stem Blight Disease of Sweet Potato Caused by Alternaria Bataticola in Uganda -
Osiru, M., Adipala, E., Olanya, O.M., Paula, K., Lemaga, B., Kapinga, R. 2008. Leaf Petiole and Stem Blight Disease of Sweet Potato Caused by Alternaria Bataticola in Uganda. Plant Pathology. 7:118-119
Capillary Electrophoresis and Fluorescence Excitation-Emission Matrix Spectroscopy for Characterization of Humic Substances -
He, Z., Ohno, T., Wu, F., Olk, D.C., Honeycutt, C.W., Olanya, O.M. 2008. Capillary Electrophoresis and Fluorescence Excitation-Emission Matrix Spectroscopy for Characterization of Humic Substances. Soil Science Society of America Journal. 72:1248-1255.
Addressing Constraints to Potato Productivity -
Griffin, T.S., Honeycutt, C.W., Larkin, R.P., Halloran, J.M., Olanya, O.M., He, Z. 2008. Addressing Constraints to Potato Productivity. Maine Potato Conference Abstracts. CD-ROM.
EVALUATION OF POTATO CLONES FOR RESISTANCE TO STEM CANKER AND TUBER BLACK SCURF IN FIELD STUDIES FOLLOWING ARTIFICIAL INOCULATION WITH RHIZOCTONIA SOLANI AG-3 IN MAINE -
Olanya, O.M., Reeves, A.F., Lambert, D.H., Porter, G.A. 2007. Evaluation of potato breeding lines for resistance to stem canker and tuber black scurf in field studies following artificial inoculation with rhizoctonia solani ag-3 in maine. Archives of Phytopathology and Plant Protection. 2007 On Line. p. 1-10. 2009 42:409-418.
Soil Water in Relation to Irrigation, Uptake, and Potato Yield in a Humid Climate -
Starr, G.C., Rowland, D., Griffin, T.S., Olanya, O.M. 2008. Soil Water in Relation to Irrigation, Uptake, and Potato Yield in a Humid Climate. Agricultural Water Management. 95:292-300.
RELATIONSHIP BETWEEN INCIDENCE OF LATE BLIGHT TUBER ROT, FOLIAGE BLIGHT CONTROL AND THE EFFECT OF WEATHER AND SOIL VARIABLES -
Nyankanga, R.O., Wein, H.C., Olanya, O.M. 2008. Relationship between incidence of late blight tuber rot, foliage blight control and the effect of weather and soil variables. Canadian Journal of Plant Pathology. 29:372-382.
YIELD STABILITY ANALYSIS OF LATE BLIGHT RESISTANT POTATO SELECTIONS -
Mulema, J.M., Adipala, E., Olanya, O.M., Hakiza, J.J. 2008. Yield stability analysis of late blight resistant potato selections. Experimental Agriculture. 44:145-155.
Infection Potential of Hairy Nightshade By Phytophthora infestans and Epidemiological Implications of the Alternate Host -
Olanya, O.M., Larkin, R.P., Honeycutt, C.W. 2007. Infection Potential of Hairy Nightshade By Phytophthora infestans and Epidemiological Implications of the Alternate Host. American Phytopathological Society Abstracts. Vol 97 (7): S87, 2007
Effects of Different Soil and Crop Management Strategies on Soil Microbial Communities and Soilborne Diseases of Potato -
Larkin, R.P., Griffin, T.S., Olanya, O.M., Starr, G.C., Honeycutt, C.W. 2007. Effects of Different Soil and Crop Management Strategies on Soil Microbial Communities and Soilborne Diseases of Potato. American Phytopathological Society Abstracts. Vol. 97(7): S61, 2007
Temperature, Relative Humidity and Pathogen Factors Influencing Phytophthora Infestans Development on Hairy Nightshade -
Olanya, O.M., Plant, A.B., Larkin, R.P., Honeycutt, C.W. 2007. Temperature, Relative Humidity and Pathogen Factors Influencing Phytophthora Infestans Development on Hairy Nightshade. Northeast Potato Technology Forum Abstracts. Pg. 48
Schematic Models for Potato Tuber Blight Infection Based on Foliar Blight Severity, Cultivar Resistance, Soil and Atmospheric Variables -
Nyankanga, R.O., Olanya, O.M., Wein, H.C. 2007. Schematic Models for Potato Tuber Blight Infection Based on Foliar Blight Severity, Cultivar Resistance, Soil and Atmospheric Variables. Northeast Potato Technology Forum Abstracts. Pg. 86
Characterization of IHSS Natural Organic Matter by Capillary Electrophoresis and Flourescence Spectroscopy -
He, Z., Ohno, T., Wu, F., Olk, D.C., Honeycutt, C.W., Olanya, O.M. 2007. Characterization of IHSS Natural Organic Matter by Capillary Electrophoresis and Flourescence Spectroscopy. American Chemical Society Abstracts. 10th Anniversary Humic Science and Technology Conference Abstracts; page 27
MICROCLIMATE AND POTENTIAL FOR LATE BLIGHT DEVELOPMENT IN IRRIGATED POTATO -
Olanya, O.M., Starr, G.C., Honeycutt, C.W., Griffin, T.S., Lambert, D.H. 2007. Microclimate and potential for late blight development in irrigated potato. Crop Protection Journal. 26:1412-1421
GLYCOALKALOID CONTENT OF SOME SUPERIOR POTATO (SOLANUM TUBEROSUM L.) CLONES AND COMMERCIAL CULTIVARS -
Kirui, K.G., Misra, A.K., Olanya, O.M., El-Bedewy, R., Ewell, P.T., Friedman, M. 2007. Glycoalkaloid content of some superior potato (solanum tuberosum l.) clones and commercial varieties. Archives of Phytopathology and Plant Protection. 2007 on line. p. 1-11. 2009 42:453-463.
EFFECTS OF PEST AND SOIL MANAGEMENT SYSTEMS ON POTATO DISEASES -
Olanya, O.M., Lambert, D.H., Porter, G.A. 2006. Effects of Pest and Soil Management Systems on Potato Diseases. American Journal of Potato Research. 83:397-408.
DISTRIBUTUION OF HAIRY NIGHTSHADE IN MAINE POTATO AGRO-ECOSYSTEMS AND POTENTIAL RISKS OF INFECTION BY PHYTOPHTHORA INFESTANS -
Olanya, O.M., Plant, A.B., Larkin, R.P., Lambert, D.H. 2006. Distributuion of hairy nightshade in maine potato agro-ecosystems and potential risks of infection by phytophthora infestans. Northeast Potato Technology Forum Abstracts. CD-ROM
EFFICACY OF ESSENTIAL OILS AND BIOPESTICIDES ON PHYTOPHTHORA INFESTANS SUPPRESSION IN LABORATORY AND GROWTH CHAMBER STUDIES -
Olanya, O.M., Larkin, R.P. 2006. Efficacy of Essential Oils and Biopesticides on Phytophthora Infestans Suppression in Laboratory and Growth Chamber Studies. Biocontrol Science and Technology; 16:901-917.
LATE BLIGHT DEVELOPMENT ON HAIRY NIGHTSHADE AND POTENTIAL DISEASE RISKS -
Olanya, O.M., Plant, A.B., Larkin, R.P., Lambert, D.H. 2006. Late blight development on hairy nightshade and potential disease risks. Maine Potato Conference Abstracts. Page 20.
DYNAMICS OF DEVELOPMENT OF LATE BLIGHT (PHYTOPHTHORA INFESTANS) IN POTATO, AND COMPARATIVE RESISTANCE OF CULTIVARS IN THE HIGHLAND TROPICS -
Olanya, O.M., Ojiambo, P.S., Nyankanga, R.O. 2006. Dynamics of Development of Late Blight (Phytophthora Infestans) in Potato, and Comparative Resistance of Cultivars in the Highland Tropics. Canadian Journal of Plant Pathology. 28:84-94.
FARMERS' PERCEPTION OF AGRONOMIC PRACTICES ASSOCIATED WITH POTATO PRODUCTION IN THE HIGHLAND TROPICS AND THE IMPACTS OF FIELD SCHOOL PARTICIPATION -
Olanya, O.M., Hakiza, J.J., Akem, C.N., Imelda, I., El-Bedewy, R. 2005. Farmers' perception of agronomic practices associated with potato production in the highland tropics and the impacts of field school participation. Australian Plant Pathology. Conference Handbook of Abstracts, Deakin University Waterfront Campus, Geelong, Victoria, Australia, September 26, 2005, pg 176
EFFECTS OF TEMPERATURE AND RELATIVE HUMIDITY ON DEVELOPMENT OF LATE BLIGHT INCITED BY PHYTOPHTHORA INFESTANS ISOLATES FROM DIVERSE GENOTYPES AND HOSTS -
Olanya, O.M., Larkin, R.P. 2005. Effects of temperature and relative humidity on development of Late Blight incited by phytophthora Infestans isolates from diverse genotypes and hosts. American Phytopathological Society Abstracts. July 2005; v. 95. p. S77.
RELEASE OF FOUR LATE BLIGHT TOLERANT POTATO VARIETIES IN KENYA -
Lung'Aho, C., Nderitu, S.N., Kabira, J.N., Walingo, A., Olanya, O.M. 2005. Yield performand and release of four late blight tolerant potato varieties in Kenya. Journal of Agronomy and Crop Science. 5 (1): 57-61
OCCURRENCE AND CROSS-INFECTION OF PHYTOPHTHORA INFESTANS ON HAIRY NIGHTSHADE (SOLANUM SARRACHOIDES) AND POTATO (SOLANUM TUBEROSUM) IN MAINE -
Olanya, O.M., Lambert, D.H., Plant, A.B. 2005. Occurrence and cross-infection of phytophthora infestans on hairy nightshade (solanum sarrachoides) and potato (solanum tuberosum) in maine. Canadian Journal of Plant Pathology. v 27: p458-460.
SEED-PLOT TECHNIQUE: EMPOWERMENT OF FARMERS IN PRODUCTION OF BACTERIAL WILT-FREE SEED IN KENYA AND UGANDA -
Kinyua, Z.M., Olanya, O.M., El-Bedewy, R., Smith, J.J., Crissman, C. 2005. Seed-plot technique: empowerment of farmers in production of bacterial wilt-free seed in kenya and uganda. Bacterial Wilt, The Disease and Ralstonia Solanacearum Species Complex. APS Press, St. Paul, Minnesota, USA, pg 510
OCCURRENCE OF PHYTOPHTHORA INFESTANS ON HAIRY NIGHTSHADE IN MAINE: DISEASE IMPLICATIONS OF ISOLATES FROM DIVERGENT HOSTS AND GENOTYPES -
Olanya, O.M., D. H., L., A, P. 2005. Occurrence of phytophthora infestans on hairy nightshade in maine: disease implications of isolates from divergent hosts and genotypes. Northeast Potato Technology Forum Abstracts. Page 58
MICROCLIMATIC PARAMETERS AND POTENTIAL FOR LATE BLIGHT DEVELOPMENT IN IRRIGATED POTATO IN MAINE -
Olanya, O.M., Starr, G.C. 2005. Microclimatic parameters and potential for late blight development in irrigated potato in maine. Northeast Potato Technology Forum Abstracts. p. 66; Fredericton, New Brunswick, Canada
PATHOGENICITY AND METALAXYL SENSITIVITY OF PHYTOPHTHORA INFESTANS ISOLATES OBTAINED FROM GARDEN HUCKLEBERRY, POTATO AND TOMATO IN CAMEROON -
Fontem, D.A., Olanya, O.M., Tsopmbeng, G.R., Owona, M.P. 2005. Pathogenicity and metalaxyl sensitivity of phytophthora infestans isolates obtained from garden huckleberry, potato and tomato in cameroon. Crop Protection Journal. Volume 24; pages 449-456
POTATO PRODUCTION IN THE TROPICS: CONSTRAINTS, FUNGICIDE USE, AND THE IMPACT OF IPM STRATEGIES -
Olanya, O.M., Hakiza, J.J., Crissman, C.C. Potato production in the tropics: constraints, fungicide use, and the impact of ipm strategies. Outlooks on Pest Management. pg 181-184
ASSESSMENT AND STABILITY OF LATE BLIGHT RESISTANCE IN POPULATION B POTATO CLONES IN UGANDA -
Mulema, J.K., Olanya, O.M., Adipala, E., Wagoire, W.W. 2005. Stability of late blight resistance in population B potato clones. Potato Research. 47: 11-24
REACTION OF CERTAIN SOLANACEOUS AND ASTERACEOUS PLANT SPECIES TO INOCULATION WITH PHYTOPHTHORA INFESTANS IN CAMEROON -
Fontem, D.A., Njualem, B.F., Olanya, O.M. 2004. Reaction of certain solanaceous and asteraceous plant species to inoculation with phytophthora infestans in cameroon. Journal of Phytopathology. 154: 331-336
FUNGICIDE APPLICATION AND HOST RESISTANCE FOR POTATO LATE BLIGHT MANAGEMENT: BENEFITS ASSESSMENT FROM ON-FARM STUDIES IN S.W. UGANDA -
Namanda, S., Olanya, O.M., Adipala, E., Hakiza, J.J. 2004. Fungicide application and host resistance for potato late blight management: benefits assessment from on-farm studies in s.w. uganda. Crop Protection Journal. 23: 1075-1083
COMPARISON OF LATE BLIGHT SUPPRESSION BY NATURAL PRODUCTS AND THE IMPACT OF GENOTYPE DIVERSITY ON DISEASE DEVELOPMENT AND CONTROL -
Olanya, O.M., Larkin, R.P., Honeycutt, C.W. 2004. Comparison of late blight suppression by natural products and the impact of genotype diversity on disease development and control. American Phytopathological Society Abstracts.vol 94 (6): pg S77-S78. (#P-2004-0525-AMA)
SUPPRESSION OF PHYTOPHTHORA INFESTANS BY ESSENTIAL OILS AND NATURAL PRODUCTS IN LAB ASSAYS AND GROWTH CHAMBER STUDIES -
Olanya, O.M., Larkin, R.P. 2004. Suppression of phytophthora infestans by essential oils and natural products in lab assays and growth chamber studies. Northeast Potato Technology Forum Abstracts. pg 29
FARMERS' CULTURAL PRACTICES AND MANAGEMENT OF POTATO LATE BLIGHT IN KENYA HIGHLANDS: IMPLICATIONS FOR DEVELOPMENT OF INTEGRATED DISEASE MANAGEMENT -
Nyankanga, R.O., Wein, H.C., Olanya, O.M., Ojiambo, P.S. 2004. Farmers' cultural practices and management of potato late blight in kenya highlands: implications for development of integrated disease management. International Journal of Pest Management. 50 (2) : 135-144
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Last Modified: 5/2/2016
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