Champaco, E., Larkin, R.P., De Los Reyes, B. 2012. Selection of candidate genes involved in the defense mechanisms of Phytophthora infestans against fungicides by EST analysis [abstract]. Phytopathology. 102:54.20.
Defauw, S.L., Larkin, R.P., English, P., Hoshide, A.K., Halloran, J.M. 2012. Mapping and monitoring potato cropping systems in Maine: geospatial methods and land use assessments. Northeast Potato Technology Forum Abstracts. pp. 24-25.
Halloran, J.M., Larkin, R.P., Defauw, S.L. 2012. Economic implications of alternative potato cropping systems in Maine. Northeast Potato Technology Forum Abstracts. p. 23.
Champaco, E., Larkin, R.P., De Los Reyes, B.G. 2012. Understanding the molecular basis of the resistance of Phytophthora infestans to fungicides by functional genomics. Northeast Potato Technology Forum Abstracts. p. 34.
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.
Defauw, S.L., He, Z., Larkin, R.P., Mansour, S. 2012. Sustainable potato production and global food security. In: He, Z., Larkin, R.P., Honeycutt, C.W., editors. Sustainable potato production: global case studies. Amsterdam, The Netherlands: Springer. p. 3-19.
Bernard, E., Larkin, R.P., Tavantzis, S., Erich, M., Alyokhin, A., Lannan, A., Gross, S. 2011. Compost, rapeseed rotation, and biocontrol agents significantly impact soil microbial communities in organic and conventional potato production systems. Applied Soil Ecology. 52:29-41.
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.
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.
Defauw, S.L., English, P.J., Larkin, R.P., Halloran, J.M., Hoshide, A.K. 2011. Potato production systems in Maine: geospatial assessments of agri-environmental indicators [abstract]. American Society of Agronomy Meetings. Paper No. 64689. Available: http://a-c-s.confex.com/crops/2011am/webprogram/Paper64689.html.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Larkin, R.P., Tavantzis, S., Erich, M., Bernard, E., Gross, S., Alyokhin, A. 2009. A systems approach for enhancing soil quality and plant health under organic and conventional conditions: Effects on soilborne diseases and tuber yield. Northeast Potato Technology Forum Proceedings. p. 14.
Tavantzis, S., Larkin, R.P., Alyokhin, A., Erich, M., Bernard, E., Gross, S. 2009. A systems approach for enhancing soil quality and plant health under organic and conventional conditions: Introduction. Northeast Potato Technology Forum. Proceedings page 10.
Bernard, E., Larkin, R.P., Erich, M., Alyokhin, A., Gross, S., Tavantzis, S. 2009. A systems approach for enhancing soil quality and plant health under organic and conventional conditions: Effects on Soil Microbial Communities. Northeast Potato Technology Forum Proceedings. p. 13.
Erich, M., Tavantzis, S., Larkin, R.P., Alyokhin, A., Gross, S., Bernard, E. 2009. A systems approach for enhancing soil quality and plant health under organic and conventional conditions: Effects on soil properties and fertility. Northeast Potato Technology Forum Proceedings. p. 12.
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.
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.
Halloran, J.M., Larkin, R.P., Honeycutt, C.W., Griffin, T.S. 2008. The economic impacts of disease suppressive rotations in maine potato cropping systems. Crop Management. On-Line.
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.
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.
Larkin, R.P., Tavantzis, S., Bernard, E., Alyokhin, A., Erich, S., Gross, S. 2008. Compost and Biological Amendment Effects on Soilborne Disease and Soil Microbial Communities. American Phytopathological Society. 98:586.
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.
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.
Bernard, E., Larkin, R.P., Tavantzis, S., Erich, S., Alyokhin, A., Gross, S. 2008. Compost and Biological Amendments in Potato Systems: Effects on Soil Microbial Communities. Northeast Potato Technology Forum Abstracts. CD-ROM.
Tavantzis, S., Larkin, R.P., Alyokhin, A., Erich, S., Bernard, E., Gross, S. 2008. Compost and Biological Amendments in Potato Systems: Effects on Soilborne Diseases and Yield. Northeast Potato Technology Forum Abstracts. CD-ROM.
Erich, S., Tavantzis, S., Larkin, R.P., Alyokhin, A., Gross, S. 2008. Compost and Biological Amendments in Potato Systems: Effects on Soil Properties and Fertility. Northeast Potato Technology Forum Abstracts. CD-ROM.
Gross, S., Alyokhin, A., Larkin, R.P., Erich, S., Tavantzis, S. 2008. Reduced Pest Insect Densities Following Compost Application in Organic and Conventional Systems. Northeast Potato Technology Forum Abstracts. CD-ROM.
Honeycutt, C.W., Larkin, R.P., Halloran, J.M., Griffin, T.S. 2007. The Potato Systems Planner: A Successful Decision Support Tool for Growers. Symposium Proceedings. 2007, pg 87-88.
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
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
Fortuna, A., Honeycutt, C.W., Marsh, T.L., Griffin, T.S., Larkin, R.P., He, Z., Wienhold, B.J., Sistani, K.R., Albrecht, S.L., Woodbury, B.L., Torbert Iii, H.A., Powell, J.M., Hubbard, R.K., Eigenberg, R.A., Wright, R.J. 2007. Linking Process Level Function and Beta-ammonia Oxidizer Community Dynamics Across Varying Soils Following Manure Application. Ecological Society of America Abstracts. 2007 CD-ROM.
Larkin, R.P. 2007. Relative Effects of Biological Amendments and Crop Rotations on Soil Microbial Communities and Soilborne Diseases of Potato. Soil Biology and Biochemistry. 10:1016. 40:1341-1351.
Larkin, R.P., Manmathan, H., Tavantzis, S. 2007. Effects of Compost and Biocontrol Amendments on Soilborne Diseases of Potato. Northeast Potato Technology Forum Abstracts. CD-ROM.
Larkin, R.P., Manmathan, H., Tavantzis, S. 2007. Effects of Compost and Biocontrol Amendments on Stem Canker, Black Scurf, and Common Scab of Potato, 2006. Plant Disease Management Reports. vol 1: p. v065.
Larkin, R.P., Griffin, T.S., Halloran, J.M., Honeycutt, C.W. 2006. The Potato Systems Planner: Cropping System Impacts on Soilborne Diseases and Soil Microorganisms. American Society of Agronomy Abstracts. Published on CD-ROM
Honeycutt, C.W., Larkin, R.P., Halloran, J.M., Griffin, T.S. 2006. The Potato Systems Planner: Integrating Cropping System Impacts on Crop Yield and Quality, Soil Biology, Nutrient Cycling, Diseases, and Economics. Soil Science Society of America Annual Meeting. Published on CD-ROM
Halloran, J.M., Honeycutt, C.W., Larkin, R.P., Griffin, T.S. 2006. The Potato Systems Planner: Cropping System Impacts on Profitability, Income Variability, and Economic Risk. American Society of Agronomy Abstracts. Published on CD-ROM
Fortuna, A., Honeycutt, C.W., Marsh, T.L., Griffin, T.S., Larkin, R.P., He, Z., Wienhold, B.J., Sistani, K.R., Albrecht, S.L., Woodbury, B.L., Torbert Iii, H.A., Powell, J.M., Hubbard, R.K., Eigenberg, R.A., Wright, R.J. 2006. Towards National Prediction of Manure N Availability: Soil Influence on Nitrifier Community and Nitrification. American Society of Agronomy Abstracts. November 12-16, 2006, Indianapolis, Indiana. 2006 CD-ROM.
Larkin, R.P. 2006. Biological amendments and crop rotations for managing soil microbial communities and soilborne diseases of potato. World Congress of Soil Science. CD-ROM
Larkin, R.P., Lynch, R.P., Griffin, T.S., Honeycutt, C.W. 2006. Brassica rotations for managing soilborne potato diseases in the northeast. University of Idaho Miscellaneous Publication. CD-ROM
Larkin, R.P., Griffin, T.S., Honeycutt, C.W. 2006. Effects of a fall cover crop and different 2-year rotations on soilborne diseases and soil microbial communities. Northeast Potato Technology Forum Abstracts. CD-ROM
Honeycutt, C.W., Larkin, R.P., Halloran, J.M., Griffin, T.S. 2006. The potato systems planner: a case of industry driven research. Northeast Potato Technology Forum Abstracts. CD-ROM
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
Larkin, R.P., Griffin, T.S., Honeycutt, C.W. 2006. Effects of crop rotations and a fall cover crop on rhizoctonia canker, black scurf, and common scab of potato, 2004. Biological and Cultural Tests for Control of Plant Diseases. Vol. 21: V009
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.
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.
Larkin, R.P., Honeycutt, C.W., Griffin, T.S. 2005. Effect of swine and dairy manure amendments on microbial communities in three soils as influenced by environmental conditions. Biology and Fertility of Soils. December 2005. 42: 1-11.
Griffin, T.S., Larkin, R.P., Honeycutt, C.W. 2005. Potato rotations and soil management: looking at the long-term. New England Vegetable and Fruit Conference Proceedings.
Larkin, R.P., Honeycutt, C.W. 2004. Effects of different 3-yr cropping systems on soil microbial communities and soilborne disease of potato. Phytopathology. 96: 68-79
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.
Larkin, R.P. 2005. Effects of biological amendments on soil microbiology and soilborne potato diseases in different cropping systems. Phytopathology. v. 95. p. S-56.
Larkin, R.P. 2005. Alternative biological amendments: effects on soil biology and soilborne diseases. Northeast Potato Technology Forum Abstracts. pages 43-44
Larkin, R.P. 2004. Influence of biocontrol agents and other biological amendments on soil microbial communities. American Phytopathological Society Abstracts. 94: S56
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)
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
Larkin, R.P., Griffin, T.S. 2004. Brassica crop rotations for control of soilborne potato diseases. Northeast Potato Technology Forum Abstracts. 2004: 37-38
Larkin, R.P. 2003. Characterization of soil microbial communities under different potato cropping systems in maine by microbial population dynamics, substrate utilization, and fatty acid profiles. Soil Biology and Biochemistry. 35: 1451-1466
Larkin, R.P. 2003. Cropping system effects on soil microbial communities and soilborne diseases. Northeast Potato Technology Forum Abstracts. cd-rom DISK 3/15/2003
Larkin, R.P. 2003. Effect of green sprouting and biocontrol products on soilborne diseases of potato 2002. Biological and Cultural Tests for Control of Plant Diseases. 18: PT011
Larkin, R.P., Honeycutt, C.W., Griffin, T.S. 2002. Effect of swine and dairy manure amendments on microbial communities in three soils. Agronomy Abstracts. cd-rom DISK
Larkin, R.P., Talbot, M.M. 2002. Suppression of rhizoctonia disease of potato by biological control and a ryegrass rotation. National American Phytopathology Meetings. 92: S80