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Michigan State University 2012 Michigan State University AgBioResearch In Cooperation With Michigan Potato Industry Commission Michigan Potato Research Report Volume 44 2012 Michigan Potato Industry Commission 13109 Schavey Rd., Ste. 7 DeWitt, MI 48820 517.669.8377 Fax 517.669.8377 www.mipotato.com email: [email protected] April 2013 To All Michigan Potato Growers & Shippers: The Michigan Potato Industry Commission, Michigan State University’s AgBioReseach Station and Cooperative Extension Service are pleased to provide you with a copy of the results from the 2012 potato research projects. This report includes research projects funded by the Michigan Potato Industry Commission, the USDA Special Grant and special allocations by the Commission. Additionally, the Commission expresses appreciation to suppliers of products for research purposes and special grants to the Commission and researchers. Providing research funding and direction to principal investigators at MSU is a function of the Michigan Potato Industry Commission’s Research Committee. Best wishes for a prosperous 2013 season. Randy Styma, Chairman Duane Andersen, Vice Chairman Pat DuRussel Dennis Hanson Greg Iott William Kitchen Brian Sackett Tim Wilkes Tim Young Ex Officios: Jamie Clover-Adams, MDA Dr. Dave Douches, MSU Table of Contents Page Introduction and Acknowledgements 1 2012 Potato Breeding and Genetics Research Report 5 David S. Douches, J. Coombs, K. Zarka, G. Steere, M. Zuehlke, D. Zarka, K. Felcher and D. Kells 2012 Potato Variety Evaluations 23 D.S. Douches, J. Coombs, K. Zarka, G. Steere, M. Zuehlke, C. Long, W. Kirk and J. Hao 2012 On-Farm Potato Variety Trials 54 Chris Long, Dr. Dave Douches, Luke Steere, Dr. Doo-Hong Min and Chris Kapp (Upper Peninsula) 2012 Colorado Potato Beetle Research Update 73 Zsofia Szendrei and Adam Byrne Nitrogen Source and Rate Response for 80 Michigan Potato Production Kurt Steinke and Andrew Chomas Impact of Organic and Inorganic Fertilizer Sources for 86 Michigan Potato Production Kurt Steinke and Andrew Chomas Seed treatments and seed plus in furrow treatments for control of seed- 90 and soil-borne Rhizoctonia solani, 2012. W. W. Kirk, R. L. Schafer and A. Merlington Seed treatments, in furrow and early foliar treatments for control 93 of seed-borne Phytophthora infestans (US-22), 2012. S. Dangi, W. W. Kirk, P. Somohan and R. L. Schafer. Evaluation of fungicide programs for potato early blight and 97 brown leaf spot control, 2012. W. W. Kirk, R. Schafer, A. Merlington, S. Dangi and P. Somohan Identification of Fusarium Species Responsible for Potato Dry Rot in MI 99 Commercial Potato Production (Progress Report). Adam Merlington and W. Kirk Evaluation of fungicide programs for white mold (Sclerotinia sclerotiorum) 103 and aerial stem rot (Pectobacterium carotovora) control in potatoes, 2012. W. W. Kirk, and R. L. Schafer. Soil treatments for control of Verticillium wilt and Common Scab 104 of potatoes, 2011-12. A. Merlington, N. Rosenzweig, W. W. Kirk, R. L. Schafer, C. Hutchinson and C. Furman Evaluation of fungicide programs for potato late blight control: 2012. 106 W. W. Kirk, R. Schafer, A. Merlington, S. Dangi and P. Somohan The Influence of Sulfur and Cultural Practices on 108 Potato Common Scab Control Adam Merlington, R. Schafer, N. Rosenzweig and W. Kirk. Evaluation of crop protection programs for common scab 116 control in potatoes, 2012. A. Merlington, W. W. Kirk, N. Rosenzweig, R. Schafer Evaluation and comparison of fungicides for the control of 118 post harvest potato tuber diseases (2011/13). W. W. Kirk, R. Schafer, A. Merlington, N. Rosenzweig, P. Somohan, S. Dangi and L. Steere. 2012 Sectagon K-54 Research Report 130 George W. Bird 2011-2012 Dr. B. F. (Burt) Cargill Potato Demonstration Storage 143 Annual Report, Michigan Potato Industry Commission Chris Long, Coordinator, Brian Sackett and Luke Steere Effect of Stadium applied post-harvest for control of naturally 172 occurring tuber diseases from Michigan potato fields, demonstration trials 2010 to 2012. W. W. Kirk, C. Long, P. Somohan, A. Rojas and R. L. Schafer. 2012 MICHIGAN POTATO RESEARCH REPORT C. M. Long, Coordinator INTRODUCTION AND ACKNOWLEDGMENTS The 2012 Potato Research Report contains reports of the many potato research projects conducted by Michigan State University (MSU) potato researchers at several locations. The 2012 report is the 44th volume, which has been prepared annually since 1969. This volume includes research projects funded by the Potato Special Federal Grant, the Michigan Potato Industry Commission (MPIC), GREEEN and numerous other sources. The principal source of funding for each project has been noted at the beginning of each report. We wish to acknowledge the excellent cooperation of the Michigan potato industry and the MPIC for their continued support of the MSU potato research program. We also want to acknowledge the significant impact that the funds from the Potato Special Federal Grant have had on the scope and magnitude of potato related research in Michigan. Many other contributions to MSU potato research have been made in the form of fertilizers, pesticides, seed, supplies and monetary grants. We also recognize the tremendous cooperation of individual producers who participate in the numerous on-farm projects. It is this dedicated support and cooperation that makes for a productive research program for the betterment of the Michigan potato industry. We further acknowledge the professionalism of the MPIC Research Committee. The Michigan potato industry should be proud of the dedication of this committee and the keen interest they take in determining the needs and direction of Michigan's potato research. Special thanks go to Bruce Sackett for the management of the MSU Montcalm Research Center (MRC) and the many details which are a part of its operation. We also want to recognize Barb Smith at MPIC and Luke Steere, MSU for helping with the details of this final draft. WEATHER The overall 6-month average maximum temperature during the 2012 growing season was five degrees higher than the 6-month average maximum temperature for the 2011 season and was four degrees higher than the 15-year average (Table 1). The 6-month average minimum temperature for 2012 was one degree lower than the 15-year average. There were 15 days with recorded temperature readings of 90 F or above in 2012. There were 143 hours of 70 °F temperatures between the hours of 10 PM and 8 AM which occurred over 30 different days, April to September (Data not shown). There were no days in May that the minimum air temperature was below 32 F. The average maximum temperature for July 2012 was eight degrees higher than the 15-year average (Table 1). In October 2012, during the period from the 1st to the 20th there were seven days with no measureable rainfall. For the period from September 15th to October 20th, there were eight days that the minimum air temperature was below 32 F. Rainfall for April through September was 12.02 inches, which was 6.6 inches below the 15-year average (Table 2). In October 2012, 4.85 inches of rain was recorded. Irrigation at MRC was applied 13 times from May 24th to September 24th, averaging 0.77 inches for each application. The total amount of irrigation water applied during this time period was 9.95 inches. 1 Table 1. The 15-year summary of average maximum and minimum temperatures (F) during the growing season at the Montcalm Research Center. 6-Month April May June July August September Average Year Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. 1998 60 37 75 51 77 56 82 58 81 60 76 52 75 52 1999 59 37 71 48 77 55 84 62 76 56 73 48 73 51 2000 56 34 70 49 75 57 77 56 79 57 70 49 71 50 2001 61 37 70 49 78 57 83 58 72 70 69 48 72 53 2002 56 36 63 42 79 58 85 62 81 58 77 52 73 51 2003 56 33 64 44 77 52 81 58 82 58 72 48 72 49 2004 62 37 67 46 74 54 79 57 76 53 78 49 73 49 2005 62 36 65 41 82 60 82 58 81 58 77 51 75 51 2006 62 36 61 46 78 54 83 61 80 58 68 48 72 51 2007 53 33 73 47 82 54 81 56 80 58 76 50 74 50 2008 61 37 67 40 77 56 80 58 80 54 73 50 73 49 2009 56 34 67 45 76 54 75 53 76 56 74 49 71 49 2010 64 38 70 49 77 57 83 62 82 61 69 50 74 53 2011 53 34 68 48 77 56 85 62 79 58 70 48 72 51 2012 58 34 73 48 84 53 90 62 82 55 74 46 77 50 15-Year Average5935684678568259795873497351 Table 2. The 15-year summary of precipitation (inches per month) recorded during the growing season at the Montcalm Research Center. Year April May June July August September Total 1998 2.40 2.21 1.82 0.40 2.22 3.05 12.10 1999 5.49 5.07 5.82 4.29 5.46 4.03 30.16 2000 3.18 6.46 4.50 3.79 5.28 5.25 28.46 2001 3.28 6.74 2.90 2.49 5.71 4.43 25.55 2002 2.88 4.16 3.28 3.62 7.12 1.59 22.65 2003 0.70 3.44 1.85 2.60 2.60 2.06 13.25 2004 1.79 8.18 3.13 1.72 1.99 0.32 17.13 2005 0.69 1.39 3.57 3.65 1.85 3.90 15.05 2006 2.73 4.45 2.18 5.55 2.25 3.15 20.31 2007 2.64 1.60 1.58 2.43 2.34 1.18 11.77 2008 1.59 1.69 2.95 3.07 3.03 5.03 17.36 2009 3.94 2.15 2.43 2.07 4.74 1.49 16.82 2010 1.59 3.68 3.21 2.14 2.63 1.88 15.13 2011 3.42 3.08 2.38 1.63 2.57 1.84 14.92 2012 2.35 0.98 0.99 3.63 3.31 0.76 12.02 15-Year Average 2.58 3.69 2.84 2.87 3.54 2.66 18.18 2 GROWING DEGREE DAYS Tables 3 and 4 summarize the cumulative growing degree days (GDD) for 2012.
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