PROGRAM

The session topics and available time slots are subject to change. Please check back regularly for topic or scheduling changes.Final deadline for receipt of abstracts was September 30, 2012.

OSU-OARDC Campus Map

Tuesday, October 16	Barnhart Rice Homestead (Stone House) (#19 on map)
6:00 – 9:00 p.m.	Pre-meeting social

Wednesday, October 17	Arden Shisler Conference Center (#3 on map)
7:30 – 8:30 a.m.	Hot breakfast Poster set up On-site registration
8:30 – 8:45 a.m.	Introduction–Sally Miller Welcome–Bill Ravlin, Associate Director, OSU-OARDC
*Session 1: Field Tomato Diseases and Management*
8:45 – 10:30 a.m.	8:45 a.m. Use of individual and mixed cover crops to enhance tomato growth, alter rhizosphere microbial communities, and reduce pathogen infection. X. Rong¹, S. J. Park¹, C. Summers¹, F. Baysal-Gurel¹, S. Meyer², K. Everts³, M. Kleinhenz¹, S. A. Miller¹, C. Smart⁴, and B. McSpadden Gardener¹¹The Ohio State University, OARDC, Wooster, OH; ²USDA ARS Nematology Laboratory, Beltsville, MD; ³University of Maryland, College Park; ⁴Cornell University, Geneva, NY 9:00 a.m. Management of bacterial spot (Xanthomonas gardneri) and bacterial speck (Pseudomonas syringae pv. tomato) using plant defence inducers and other copper alternatives. C. L. Trueman University of Guelph, Ridgetown Campus, ON N0P 2C0, Canada 9:15 a.m. Soil applications of acibenzolar-S-methyl (ASM) for managing bacterial spot of tomato. Gary, E. Vallad¹, Cheng-Hua Huang¹, Shouan Zhang², and Xiaohui Fan²¹Gulf Coast Research and Education Center, IFAS, University of Florida, Wimauma, and ²Tropical Research and Education Center, IFAS, University of Florida, Homestead 9:30 a.m. Effect of seedling cell size, adjuvant, a plant inducer and antibacterial products on tomato bacterial spot development Xing Ma, Melanie Lewis Ivey and Sally A. Miller The Ohio State University, OARDC, Wooster, OH 9:45 a.m. Photocatalytic nanoscale formulations of TiO2 and its effect on Xanthomonas perforans and bacterial spot on tomato. Mathews Paret NFREC, University of Florida, Quincy, FL
10:00 a.m. – 10:30 a.m.	Break with refreshments
	10:30 a.m. Four years of development and commercial application of an extract of Reynoutria sachalinensis for disease management in tomatoes – What have we learned? Tim Johnson Marrone Bio Innovations, Danville, PA 10:45 a.m. Exploitation of native antibiotic producing fluorescent Pseudomonad strains for management of wilt diseases of tomato under mid and up hill conditions Dipali Majumder Central Agricultural University, Meghalaya, INDIA and UC Davis, California
*Session 2:* *Pathogen Etiology and Epidemiology*
11:00 – 11:30 a.m.	11:00 a.m. Prevalence of in-field and postharvest sour rot infections. Kathryn Fiedler and Steve Rideout Department of Plant Pathology, Physiology, and Weed Science, Eastern Shore Agricultural Research and Extension Center, Virginia Tech. Painter, VA 11:15 a.m. Genetic diversity of Ralstonia solanacearum strains from South Asia Nagendra Subedi, Melanie Lewis Ivey, Fulya Baysal Gurel and Sally A. Miller The Ohio State University, OARDC, Wooster, OH
*Session 3: Poster Presentations*
11:30 a.m. – 12:00 p.m.	Poster Viewing [all presenters available for question and answer period]
12:00 – 1:30 p.m.	Lunch and Poster Viewing
*Session 4:* *Tomato Diseases and Management in Protected Culture*
1:30 – 2:45 p.m.	1:30 p.m. Identification of Potato spindle tuber viroid naturally infecting greenhouse tomatoes in North Carolina and its potential in seed transmission. Kai-Shu Ling¹, Rugang Li¹, Dilip R. Panthee² and Randy G. Gardner²¹USDA-Agricultural Research Service, U.S. Vegetable Laboratory, Charleston, SC; ²Department of Horticultural Science, North Carolina State University, Mountain Horticultural Crops Research and Extension Center, Mills River, NC 1:45 p.m. Molecular and biological characterization of Mexican papita viroid. Rugang Li and Kai-Shu Ling USDA-ARS, U.S. Vegetable Laboratory, Charleston, SC 2:00 p.m. Sensitivity of mechanically transmitted pathogens to different disinfectants. Fulya Baysal-Gurel¹, Rugang Li², Donna R. Henderson³, Kai-Shu Ling² and Sally A. Miller¹¹The Ohio State University, OARDC, Wooster, OH; ²USDA-ARS, U.S. Vegetable Laboratory, Charleston, SC; and ³Seminis, Inc., Woodland, California 2:15 p.m. Microdroplet delivery of chemical and biological control materials to reduce post-harvest losses in greenhouse tomato due to Botrytis and Penicillium spp. Fulya Baysal-Gurel, Jhony Mera, Rich Derksen and Sally Miller The Ohio State University, OARDC, Wooster, OH 2:30 p.m. Continuing evaluation of products for the management of Botrytis gray mold and bacterial canker in greenhouse tomato, 2012 David M. Ingram Central Mississippi Research & Extension Center, Raymond, MS
*Session 5:* *Tomato Disease and Pest Resistance*
2:45 – 3:30 p.m.	2:45 p.m. Modification of acylsugars in tomato breeding lines and their impacts on insects. Brian Leckie et al. Cornell University, Ithaca, NY 3:00 p.m. Partial resistance to multiple species of Xanthomonas causing bacterial spot is conferred through a coupling phase recombination of a quantitative trait locus and qualitative resistance gene on chromosome 11 Sung-Chur Sim¹, Sam Hutton², Jay Scott² and David Francis¹¹ The Ohio State University, OARDC, Wooster, and ²Gulf Coast Research and Education Center, IFAS, University of Florida, Wimauma 3:15 p.m. Potential sources of resistance to Xanthomonas gardneri causing black spot of tomato Sung-Chur Sim, Debora Liabeuf and David Francis The Ohio State University, OARDC, Wooster
3:30 – 3:45 p.m.	Break with refreshments
	3:45 p.m. Occurrence of late blight on Long Island, NY, in 2012 and evaluation of resistant tomatoes Meg McGrath Cornell University, Long Island, NY 4:00 p.m. Occurrence of late blight in Pennsylvania in 2012 and in-field evaluation of tomato host resistance against US23 Beth K. Gugino and Majid R. Foolad The Pennsylvania State University, University Park, PA 4:15 p.m. Study of Septoria leaf spot (SLS) tomato resistant lines in SLS epidemiology Stella M. Zitter, Martha A. Mutschler, and Thomas A. Zitter Cornell University, Ithaca, NY
4:30 p.m.	General Discussion
5:00 p.m.	Adjourn
Note: Dinner is not included with the workshop. Participants are encouraged to visit some of the local restaurants located on the historical Wooster square, which serve local, all natural and organic foods.

Thursday, October 18	Arden Shisler Conference Center (#3 on map)
7:30 – 9:00 a.m.	Hot breakfast Final Poster Viewing/Networking
*Session 1: Tomato Disease Diagnostics*
9:00 – 9:45 a.m.	9:00 a.m. Rapid identification of the bacterial canker pathogen using an isothermal amplification procedure designed for greenhouse and field monitoring. Jarred Yasuhara-Bell¹, Ryo Kubota², Daniel Jenkins² and Anne Alvarez¹¹Department of Plant and Environmental Protection Sciences and ²Department of Molecular Biosciences and Bioengineering, College of Tropical Agriculture and Human Resources, University of Hawai`i at Mānoa, 3190 Maile Way, Honolulu, HI 96822. 9:15 a.m. Comparison of different methods to detect Clavibacter michiganensis subsp. michiganensis in water and plant tissue. Xiulan Xu, Melanie Lewis Ivey and Sally Miller The Ohio State University, OARDC, Wooster, OH 9:30 a.m. PlantScope: a smartphone-based portable microscope for tomato disease diagnostics. Sally Miller¹, Melanie Lewis Ivey¹, Fulya Baysal-Gurel,Ken Shenge¹ and Dan Fletcher²¹The Ohio State University, OARDC, Wooster, OH; ²University of California-Berkeley
9:45 – 10:00 a.m.	Break with refreshments
*Session 2: Tomato Food Safety*
10:00 – 11:15 a.m.	10:00 a.m. Development and validation of process flow procedures in North American controlled environment tomato production Sanja Ilic, Melanie Lewis-Ivey, Jeffrey LeJeune, and Sally Miller The Ohio State University, OARDC, Wooster, OH 10:15 a.m. Using DNAble® for detection of Salmonella in pre-harvest safety practices for tomatoes Tania R. Spenlinhauer, Griff Gilbert, Susan Tapley and Vikrant Dutta EnviroLogix Inc, Portland ME 10:30 a.m. The potential interactions between Ralstonia solanacearum and Salmonella enterica Newport in tomato fruit Stephanie Pollard and Steve Rideout Virginia Tech Eastern Shore Agricultural Research and Extension Center, Painter, VA 10:45 a.m. Identifying sanitizing seed treatments that address two globally emerging trends: pelleted seed and human pathogen-free seed Melanie Lewis Ivey, Xiulan Xu and Sally A. Miller The Ohio State University, OARDC, Wooster, OH 11:00 a.m. Survey of Salmonella, Shiga toxin-producing E. coli and indicator bacteria during pre-harvest tomato production in the Mid-Atlantic Sasha Marine¹, Shirley Micallef², Sivaranjani Pagadala², Fei Wang², Ruth Oni², Wesley Kline³, Donna Pahl², Christopher Walsh², Kathryne Everts¹ and Robert Buchanan²¹University of Maryland, Lower Eastern Shore Research and Education Center, Salisbury, MD, ²University of Maryland, College Park, MD, and ³Rutgers University, Cooperative Extension of Cumberland County, Millville, NJ
Session 3: Open Forum-Emerging Issues Concerning Tomato Production
11:15 – 11:45 a.m.	New and Unusual Sightings, Major Problems Bring a powerpoint presentation with a few slides showing new, unusual and or high impact issues affecting your region in 2011-2012 (5 minute presentations) General Discussion
11:45 a.m. – 12:00 p.m.	28^th Annual TDW – Joint with International Tomato Disease Workshop, Orlando, June 2013 – Mathews Paret Closing Remarks-Sally Miller

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PROGRAM

Tuesday, October 16

Wednesday, October 17

Thursday, October 18

Thank you for attending the 27th Annual Tomato Disease Workshop!