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Martinson, Tim
Senior Extension Associate
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Positions
- Senior Extension Associate, Cornell Cooperative Extension (CCE)
- Senior Extension Associate, Entomology at Geneva
- Senior Extension Associate, Horticulture (HORT), College of Agriculture and Life Sciences (CALS)
My program provides extension and applied research in viticulture to support the continued growth and profitability of the New York wine and grape industry. To accomplish this task, I work closely with faculty, regional extension educators, and industry groups in enology and viticulture to provide growers and wineries with educational programs, workshops, newsletters, and applied on-farm research that supports profitable production of grapes, grape products and wine.
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Extension
has secondary specialization area
Research
research overview
- My research focuses on collaborative vineyard trials and surveys in commercial vineyards of NY, addressing sustainable production, soil health, grapevine virus incidence and management, and impact of cultural practices and climate on fruit quality. I collaborate with numerous scientists at Cornell and elsewhere to generate data that can inform management decisions for growers in New York.
research activities
- 'Veraison to Harvest' newsletter readership speaks
- Managing grapevine viral diseases
- "Grape Listing" website helps growers market grapes to new buyers
- A vineyard site evaluation support system
- Creating Appellation Cornell - News of Cornell's Viticulture and Enology Program
- Development of web-based materials for growers new to wine grape production
- Engineering methods to improve pesticide application and reduce environmental pollution
- Improving the quality of hybrid grapes and wine
- Invasive species monitoring for New York vineyards
- Leafroll virus survey motivates growers to clean up vineyards
- Northern Grapes Project Addresses New Industry in 12 States
- Sustainable management of winery water and energy
- Sustainable viticulture grower assessment and outreach
principal investigator on
co-principal investigator on
area(s) of concentration/expertise
keywords
- Drought stress and wine quality
- Entomology
- Extension
- Grapevine viral disease management
- Insect Management
- Soil Health
- Sustainable Production
- Viticulture
submitted impact statement
- The `Veraison to Harvest` newsletter supplies New York growers and winemakers with timely information during the critical ripening season.
- Spray timing and brush removal to reduce injury to grapevines by grape cane borer
- Providing aspiring winemakers throughout New York with basic training in winemaking techniques
- Grape extension and industry collaborate for a sustainable future
- Grape extension and industry collaborate for a sustainable future
Publications
individual publications
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academic article
- Economic Impact of Grapevine Leafroll Disease on Vitis vinifera cv. Cabernet franc in Finger Lakes Vineyards of New York.. American Journal of Enology and Viticulture. 63:73-79. 2012
- Diversity of Ampeloviruses in mealybug and soft scale vectors and in grapevine hosts from leafroll-affected vineyards. Phytopathology. 99:1177-1184. 2009
- Survey for the three major leafroll disease-associated viruses in Finger Lakes vineyards in New York. Plant Disease. 93:395-401. 2009
- Influence of flowering cover crops on Anagrus parasitoids (Hymenoptera: Mymaridae) and Erythroneura leafhoppers (Homoptera: Cicadellidae) in New York vineyards. Agricultural and Forest Entomology. 5:173-181. 2003
- Nondestructive leaf area estimation of ‘Niagara’ and ‘DeChaunac’ grapevines. Scientia Horticulturae. 98:493-498. 2003
- Spatial distribution, feeding damage, and economic impact of grape plume moth (Lepidoptera: Pterophoridae) in commercial vineyards. Canadian Entomologist, The. 134:137-139. 2002
- Compatibility of Chemical Disease and Insect Management Practices Used in New York Vineyards with Biological Control by Anagrus spp. (Hymenoptera: Mymaridae), Parasitoids of Erythroneura Leafhoppers. Biological Control. 22:227-234. 2001
- Colonization of New York vineyards by Anagrus spp. (Hymenoptera: Mymaridae): overwintering biology, within-vineyard distribution of wasps, and parasitism of grape leafhopper, Erythroneura spp. (Homoptera: Cicadellidae) eggs. Biological Control. 18:136-146. 2000
- Impact of Taedia scrupeus (Hemiptera: Miridae) Feeding on Cluster Development in Concord Grapes. Journal of Economic Entomology. 91:507-511. 1999
- Use of entomopathogenic nematodes for control of grape phylloxera (Homoptera: Phylloxeridae): a laboratory evaluation. Environmental Entomology. 28:890-894. 1999
- Impact of Taedia scrupeus injury to grapes. Journal of Economic Entomology. 9:507-511. 1998
- Impact of Feeding Injury by Eastern Grape Leafhopper (Homoptera: Cicadellidae) on Yield and Juice Quality of Concord Grapes. American Journal of Enology and Viticulture. 48:291-302. 1997
- Influence of temperature-driven phenology and photoperiodic induction of reproductive diapause on population dynamics of E. comes (Homoptera: Cicadellidae). Environmental Entomology. 24:504-514. 1995
- Varietal preferences of Erythroneura leafhoppers (Homoptera: Cicadellidae) feeding on grapes In New York. Environmental Entomology. 24:550-558. 1995
- Phenology, within-vineyard distribution and seasonal movement of eastern grape leafhopper (Homoptera: Cicadellidae) in New York vineyards. Environmental Entomology. 23:236-243. 1994
- Field measurement of selection for European red mite (Acari: Tetranychidae) resistance to dicofol in apple orchards. Journal of Economic Entomology. 84:1-6. 1991
- Field measurement of selection for Twospotted spider mite (Acari: Tetranychidae) resistance to dicofol in apple orchards. Journal of Economic Entomology. 84:7-16. 1991
- Temporal variability in repeated bioassays of field populations of European red mite (Acari: Tetranychidae): Implications for resistance monitoring. Journal of Economic Entomology. 84:1119-1127. 1991
- Long range host finding behavior and colonization of onion fields by Delia antiqua (Diptera : Anthomyiidae). Journal of Economic Entomology. 82:1111-1120. 1989
- Dispersal of the onion fly (Diptera: Anthomyiidae) and larval damage in rotated onion fields. Journal of Economic Entomology. 81:508-514. 1988
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article
- Around New York and Fruit Maturation Table (Issue 1) 2012
- Around New York and Fruit Maturation Table (Issue 2) 2012
- Around New York and Fruit Maturation Table (Issue 3) 2012
- Around New York and Fruit Maturation Table (Issue 4) 2012
- Around New York and Fruit Maturation Table (Issue 5) 2012
- Around New York and Fruit Maturation Table (Issue 6) 2012
- Around New York and Fruit Maturation Table (Issue 7) 2012
- Around New York and Fruit Maturation Table (Issue 8) 2012
- Concord and Niagara Crop at National Grape Cooperative 2012
- Cornell's 'Name that Grape' Request Goes Viral 2012
- Economic impact of grapevine leafroll disease on Vitis vinifera cv. Cabernet franc in Finger Lakes Vineyards of New York. 2012
- First Look at Botrytis Ratings and YAN in Foliar Nitrogen Spray Trial 2012
- Fruit Chemistry Trends: 2008-2012 2012
- Fruit samples collected at Northern Grapes Project trials in Clayton, NY Chrislyn Particka and Tim Martinson 2012
- GRAPES 101. Bud Fruitfulness and Yield. 2012
- GRAPES 101. How Grapevines Reconnect in the Spring 2012
- Harvest Data from the North Country. Part I: Training trials Tim Martinson and Chrislyn Particka 2012
- Harvest Data from the North Country. Part II: Crop Load Adjustment Tim Martinson and Chrislyn Particka 2012
- INDUSTRY FOCUS: Industry Petitions New York Ag & Markets for Grape Research and Development Order 2012
- INDUSTRY FOCUS: Viticulture 2013: Joint Conference Returns to Rochester 2012
- Project Focus: Yeast Assimilable Nitrogen in New York From Veraison to Harvest 2012
- Statewide summary and Fruit Maturation Report 2011
- Around New York and Fruit Maturation Table (Issue 1) 2011
- Around New York and Fruit Maturation Table (Issue 2) 2011
- Around New York and Fruit Maturation Table (Issue 3) 2011
- Around New York and Fruit Maturation Table (Issue 4) 2011
- Around New York and Fruit Maturation Table (Issue 5) 2011
- Around New York and Fruit Maturation Table (Issue 6) 2011
- Around New York and Fruit Maturation Table (Issue 7) 2011
- Around New York and Fruit Maturation Table (Issue 8) 2011
- Drought Physiology at the Station. 2011
- Early YAN Measurements to Plan Harvest. 2011
- Fruit Chemistry Trends 2008-2011 2011
- Funding Restored for New York IPM, Other Ag Programs. 2011
- Grapes 101: How Grapevines Gain and Lose Cold-Hardiness. 2011
- Greg Loeb Receives Research Award from Wine and Grape Foundation 2011
- Industry Focus: Welchs and Cornell Team Up to Tackle Juice Quality Issues 2011
- New York State IPM Program to Close in March 2011
- News Brief: Extension Programs Monitor New York Vineyards for Exotic Pests 2011
- Project Focus: Foliar Nitrogen Sprays, YAN and Botrytis in Riesling 2011
- Project Focus: Two Years of Yeast Assimilable Nitrogen (YAN) Data 2011
- Project Focus: Vignoles, Shoot thinning, and fruit rots 2011
- Thanks and Acknowledgments (Issue 9) 2011
- USDA Plant Germplasm Unit Hosts Field Day September 9. 2011
- Statewide summary and Fruit Maturation Report 2010
- Botrytis: Will another spray help at this point? 2010
- Commentary: Update from the 10th International Grape Breeding and Genetics Conference: Future Vines Without Powdery and Downy Mildew? 2010
- Cornell Provides Bud Hardiness Information to New York Growers 2010
- Cornell and University of Minnesota Organize Planning Workshops for Cold-Climate Grapes 2010
- Extension Viticulture and NY S Ag & Markets Team up to monitor NY vineyards for exotic pests 2010
- Fruit Chemistry Trends 2007-2010 2010
- Fruit Chemistry at the Willsboro Cold-Hardy Grape Trial 2010
- GRAPES 101: Sources and Sinks: Allocation of Photosynthates during the Growing Season 2010
- Grapes 101: Sources and Sinks: Allocation of photosynthates during the growing season 2010
- Industry Focus: Shaulis Fund Supports Student and Industry Education 2010
- Project Focus: Harvesting Riesling at White Springs Vineyards 2010
- Project Focus: Improving management options for YAN in the vineyard and Winery 2010
- Research Focus: Cornell Researchers Tackle Green Flavors in Red Wines 2010
- Thanks and Acknowledgements 2010
- Tracking YAN from Veraíson to Harvest 2010
- Vignoles harvest: Shoot thinning, training system and Botrytis 2010
- Viticulture 2010 and the NY Wine Industry Workshop Returns to Rochester 2010
- Comparing Pre-Harvest Fruit Development in 2007, 2008, and 2009. Veraison to Harvest. 2009:2-5. 2009
- Harvest focus: Early shoot thinning on Leon Millot 2009
- Research Focus: Riesling Harvest at White Springs Vineyards 2009
- Sustainable Viticulture Project Enters a New Phase 2009
- Yeast Assimilable Nitrogen- Seasonal Summary 2009
- Fruit Sampling Variability: An Illustration 2008
- Grapevine Leafroll Virus: An Increasing Problem in the Finger Lakes, US, and the World 2008
- Sampling Variability Revisited: Riesling at Harvest 2008
- Sampling focus: Cluster and Shoot Thinning in Hudson Valley and Lake Erie Hybrids 2008
- Sampling focus: Corot Noir, Canopy Management and Differences in Vine Size 2008
- Sampling focus: Lake Champlain Planting of Cold Climate Grapes 2008
- Shoot Density and Canopy Management for Hybrids. 2008
- 2006 Crop Statistics Released 2007
- 225 Lots of fruit processed at the New York Vinification and Brewing Laboratory 2007
- Berry Sensory Analysis Workshop Held in Geneva 2007
- Drought Stress Means some Potential for ATA in 2007 2007
- Enology Notes 2007
- Fredonia to Portland: Western NY Grape Extension and Research Programs on the move 2007
- Grape Extension and Research Programs Host Four Summer Interns 2007
- Hans Walter-Peterson Named to Finger Lakes Viticulture Position 2007
- Harvest Decisions:.Its not just about the numbers 2007
- Hudson Valley Completes first year of temperature survey 2007
- National Grape Cooperative Receives Record Niagara Crop 2007
- New Faculty Start Research Projects 2007
- New York Wine Analytical Laboratory - a resource for New York Winemakers 2007
- Research funding changes in 2007 2007
- Sampling Focus: Noiret and Canopy Management for Hybrids Experiment 2007
- Sampling Focus: Fredonia Rootstock and Soil pH Experiment 2007
- Variety Bulletins for Noiret, Corot noir, and Valvin Muscat available online 2007
- Veraison to Harvest: Statewide Vineyard Crop Development Update 2007
- Vine Lines: Nine Years With The Finger Lakes Grape Program. American Fruit Grower. 127. 2007
- Willsboro grape trial enters 3rd year 2007
- Winter injury to grapevines and methods of protection. Extension Bulletin E2930. . 2007
- Burying canes in the Finger Lakes: Impact on buds and canes. Finger Lakes Vineyard Notes. 12:6-10. 2006
- Burying canes in the Finger Lakes: Impact on buds and canes 2006
- Optimizing Nitrogen Use in Vineyards 2006
- Soil and Water Conservation Practices for Vineyards 2006
- Vine Lines: Challenges Ahead For Concord Growers. American Fruit Grower. 126. 2006
- Vine Lines: Farming For Flavor. American Fruit Grower. 126. 2006
- Vine Lines: 125 Years Of Growing Grapes In The Finger Lakes. American Fruit Grower. 125. 2005
- Vine Lines: Crop Insurance Options For Grape Growers. American Fruit Grower. 125. 2005
- Vine Lines: Interest In Cold-Climate Viticulture Booming. American Fruit Grower. 125. 2005
- Vine water use and getting a “feel” for water stress 2005
- Grape cane borer in a vineyard near you? 2004
- Vine Lines: 2003 - A Challenging Season For Growers. American Fruit Grower. 124. 2004
- Vine Lines: Irrigation In Eastern Vineyards. American Fruit Grower. 124. 2004
- Vine Lines: The Challenges Of Winter Injury. American Fruit Grower. 124. 2004
- Vine Lines: Analyzing the markets for Labrusca. American Fruit Grower. 123:28. 2003
- Vine Lines: Marketing grapes locally. American Fruit Grower. 123:34. 2003
- Vine Lines: Postemergence Weed Management Programs. American Fruit Grower. 123:49. 2003
- Cornell Research Foundation proposes licensing agreement for GR-7 2002
- Grape cane borer biology and control 2002
- Vine Lines. American Fruit Grower. 122:18. 2002
- Vine Lines: Riesling on a roll in the Finger Lakes. American Fruit Grower. 122:53. 2002
- Vine Lines: Vine decline in Pennsylvania. American Fruit Grower. 122:30. 2002
- Vine Lines: Do your own on-farm research. American Fruit Grower. 121:61. 2001
- Vine Lines: Exploring Long Island's wine industry. American Fruit Grower. 121:17. 2001
- Vine Lines: Obtaining accurate crop estimates. American Fruit Grower. 121:36. 2001
- Vine Lines: Reducing nitrogen fertilization costs. American Fruit Grower. 121:61. 2001
- Vine Lines: Using precision ag in vineyards. American Fruit Grower. 121:15. 2001
- Vine lines. American Fruit Grower. 121:20. 2001
- New tools for predicting the microclimate of vineyards 2000
- Vine Lines: Addressing environmental issues. American Fruit Grower. 120:23. 2000
- Vine Lines: Grape clusters-more disease resistant after fruit set. American Fruit Grower. 120:43. 2000
- Vine Lines: Grow tubes: Costs and benefits. American Fruit Grower. 120:58. 2000
- Vine Lines: There are many reasons to be optimistic. American Fruit Grower. 120:50. 2000
- Vine Lines: Thinking globally and marketing locally. American Fruit Grower. 120:40. 2000
- Vine Lines: Thinning--a tool for managing crop and improving wine quality. American Fruit Grower. 120:46. 2000
- Soil and Water Conservation Practices for Vineyards 1999
- The Hand-Held Nitrate Meter – A new tool for nitrogen management in vineyards? 1999
- Vine Lines: Vine yard floor management - more than just weed spray. American Fruit Grower. 119:38. 1999
- Vine Lines: Assessing grape maturity. American Fruit Grower. 119:32. 1999
- Vine Lines: Eastern viticulture--a century of change. American Fruit Grower. 119:38. 1999
- Vine Lines: European red mite--a new challenge for eastern growers. American Fruit Grower. 119:52. 1999
- Vine Lines: Vineyard irrigation--does it pay in the east?. American Fruit Grower. 119:46. 1999
- Vine lines. American Fruit Grower. 119:29. 1999
- Banded grape bug injury associated with yield loss in concord grapes 1997
- Entomological research on small fruits-An update 1995
- Using temperature accumulations (degree-days) to predict the risk of damaging Eastern grape leafhopper infestations 1995
- Reducing insecticide usage in New York vineyards: will it lead to serious problems with grape leafhopper?. Grape Research News. . 1991
- Reducing insecticide use in New York vineyards: will it lead to serious problems with grape leafhopper? 1991
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chapter
- Vineyard site selection. Wine Grape Production Guide for Eastern North America. 14-37. 2008
- Characterization and exploitation of instability of spider mite resistance to acaricides. Managing Resistance to Agrochemicals: From Fundamental Research to Practical Strategies (ACS Symposium Series). 77-91. 1990
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conference paper
- Economic analysis of the financial impacts of grape leafroll virus in the Finger Lakes. 60th Annual Finger Lakes Grape Growers’ Conference, March 5, Waterloo, NY. 2011
- Grapevine leafroll incidence, vectors and impact on the Finger Lakes region of New York. Annual Conference of the American Society for Enology and Viticulture, June 20-24, Monterey, CA.. 2011
- Cornell Fruit Resources: A Web-Based Library for Growers and Extension Educators. 2009 Great Lakes Fruit Workers Meeting, Fishkill, NY, Abstracts. 2010
- The vineyard site evaluation project and grower website. Proc. Viticulture 2010. 54-57. 2010
- Leafroll virus updates: 2008 findings, fruit impacts and insect vectors. Proceedings of the 59th Annual Finger Lakes Grape Grower’s Conference, 6 March 2009, Waterloo, NY. 16-18. 2009
- Proceedings of the Symposium on Sustainability in Vineyards and Wineries. Proceedings of the Symposium on Sustainability in Vineyards and Wineries. 34-41. 2009
- Survey for the three major leafroll disease-associated viruses in finger lakes vineyards in New York. Proceedings of the 2nd Annual National Viticulture Research Conference. 2008
- Update on burying canes to escape winter cold injury in New York. Proceedings of the 58th Annual Finger Lakes Grape Grower Conference. 2008
- Burying canes in the Finger Lakes: Grower experience and impact on buds. Proceedings Viticulture 2007 and 36th Annual New York Wine Industry Workshop. 54-55. 2007
- Optimal nitrogen management to improve yeast available nitrogen in grape musts. 57th Annual Finger Lakes Grape Growers Convention. 72-75. 2006
- Conclusions for three years of study on the effect of drought and nitrogen management on formation of atypical aging flavor in wine. 33nd New York Wine Industry Workshop. 68-71. 2004
- Update on wine atypical aging research. Proceedings of 32nd New York Wine Industry Workshop. 2003
- Drought and Water Stress in New York Vineyards and the Potential for Atypical Aging of New York Wines. Proc. 31st NY Wine Industry Workshop, NYS Agric. Exper. Station. 2002
- Drought and water stress in New York vineyards and the potential for atypical aging of New York wines. Proceedings of 31st New York Wine Industry Workshop. 2002
- Nitrogen management to improve vine N status and reduce atypical aging of wine in New York. Proceedings of 31st New York Wine Industry Workshop. 2002
- Viticulture 2000. Regional Grape Meeting. 2000
- Grape rootworm: An increasing problem?. Proceedings of the 4th annual Lake Erie Regional Grape Program, Westfield, NY, February 1996. 1996
- Impact of the banded grape bug on concord berry development. Proceedings of the 4th annual Lake Erie Regional Grape Program, Westfield, NY, February 1996. 1996
- Insect management under organic spray guidelines for grapes. Organic Grape and Wine production. 1995
- Alternative Grape Berry Moth Management Practices in New York State Vineyards. Second National IPM Symposium/Workshop. 1994
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document part
- A collaborative research and extension model: the Grape Community of Practice 2012
- Impact of Canopy/Cropload Management Practices on Yield, Fruit Composition, Wine Quality, and Consumer Willingness-to-Pay for Wines 2011
- Distribution and diversity of leafroll-associated ampeloviruses in viruliferous vectors and grapevine hosts 2009
- Leafroll virus updates: 2008 findings, fruit impacts and insect vectors 2009
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report
- How close are we to Crown Gall-Free Nursery Stock 2012
- 2010 Production Guide for Organic Grapes 2010
- Delivering Cornell Grape and Tree Fruit Extension Education Resources on www.fruit.cornell.edu 2010
- Economic analysis of the financial impact of the grape leafroll virus (GLRV) in the Finger Lakes region of New York 2010
- Evaluation of grape harvester design in New York and Pennsylvania. 117-123. 2002
- Evaluation of novel pesticide sprayers to control disease and insects on grapes in New York and Pennsylvania. 124-129. 2002
- Demonstration and evaluation of pest management alternatives in Finger Lakes grapes. 26-35. 2001
- Evaluation of novel pesticide sprayers to control disease and insects on grapes in New York. 130-135. 2001
- Demonstration and Evaluation of Pest Management Alternatives in Finger Lakes Grapes 2000
- Evaluation of a controlled droplet sprayer to control disease and insects on grapes in New York. 117-123. 2000
- Demonstration and Evaluation of Pest Management Alternatives in Finger Lakes Grapes 1999
- Macro-Scale Implementation of IPM in the Lake Erie Region of New York and Pennsylvania: On-Farm Demonstrations 1995
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software
- Economic Impact of Grapevine Leafroll Disease on Vitis vinifera cv. Cabernet franc in Finger Lakes Vineyards of New York 2011
- Addressing Research and Extension Needs of the Cold Climate Wine Industry: SCRI Planning Workshops 2010
- Grape cane borer 2007
- New York Guide to Sustainable Viticulture Practices - Grower Self Assessment Workbook 2007
- Trade Adjustment Assistance for Farmers 2005
- Cost of Establishment and Production of Vinifera Grapes in the Finger Lakes Region of New York – 2001 2002
- Cost of Establishment and Production of Vinifera Grapes in the Finger Lakes Region of New York – 1997 1999
- Agricultural Environmental Management Worksheets for Vineyards 1998
- Banded Grape Bug 1998
- Banded grape bug 1998
- Risk Assessment of Grape Berry Moth and Guidelines for Management of the Eastern Grape Leafhopper 1991
- Risk Assessment of Grape Berry Moth and Guidelines for Management of the Eastern Grape Leafhopper 1991
- Risk assessment for grape berry moth and guidelines for management of the eastern grape leafhopper 1991
featured in archived article
Service
outreach overview
- My program responsibility is to provide extension leadership and applied research in viticulture to support the growth and profitability of the New York Wine and Grape Industry. To accomplish this task, I work closely with Faculty, Regional Extension Educators, and industry groups in Enology and Viticulture to provide growers and wineries with educational programs, workshops, newsletters, and applied on-farm research that supports profitable production of grapes, grape products and wine in New York.
service to the profession
- National Clean Plant Network Board Member 2010 -
- American Society of Enology and Viticulture - Eastern Section Officer, President/Elect/Past 2008 -
- NE-1020 Regional Coordinating Committee Committee Member 2007 -
- NATIONAL GRAPE AND WINE INITIATIVE Committee Member 2007 -
- Viticulture/Enology Program Work Team Chairperson 2007 -
- American Society of Enology and Viticulture Member 1997 -
- Viticulture 2013 Conference Organizing Committee Committee Member 2012 - 2013
- American Society of Enology and Viticulture - Eastern Section Chairperson 2009 - 2010
- American Society of Enology and Viticulture - Eastern Section Chairperson 2009 - 2010
- Viticulture 2010 - NY Wine and Grape Foundation Committee Member 2009 - 2010
- Eastern National Clean Plants Initiative Tier 3 Steering Committee Committee Member 2008 - 2010
- New York State Integrated Pest Management (IPM) Program Advisory Committee Committee Member 2002 - 2010
- 37th Annual Wine Industry Workshop Organizing Committee Chairperson 2008
reviewer or editor for
Background
education and training
- Ph.D. in Entomology, Cornell University 1991
- M.S. in Entomology, Cornell University 1988
- University of Idaho 1980
awards and honors
Other
college
- CALS
research keyword
- Drought stress and wine quality
- Entomology
- Extension
- Grapevine viral disease management
- Insect Management
- Soil Health
- Sustainable Production
- Viticulture
name prefix
- Dr.