Monday, February 15, 2016

Two IPM workshops and two webinars

There are several extension activities in the next few weeks that you maybe interested in.

1) IPM workshop at Early Mountain Vineyards
This will be a full day IPM workshop to cover viticulture, entomology, weed science, plant pathology, and legal and safety updates. This will count towards VA private pesticide applicator license hours (full credit for category 90).

Date: Feb. 16th 2016.
9:30 Introduction and overview of workshop 
9:45 Viticulture updates – Tony Wolf
10:15 Worker Protection Standards- Roberto Quintero
11:00 Entomology updates - Doug Pfeiffer
11:45 Weed science updates - Jeff Derr
12:30 Lunch (please bring a lunch)
13:15 Laws and regulations - Roberto Quintero
14:15 Pathology Updates- Mizuho Nita
15:00 Interactive Scheduling – in teams
16:00 Meeting Adjourns
2) Interactive Integrated Grape Disease Management workshop at Dobson, NC
This will be a half-day IPM workshop that focus on grape disease management and legal and safety updates. This will also count towards your private pesticide applicator license hours.
Title: Interactive Integrated Grape Disease Management Workshop 

Date and time: February 18 from 1-5 pm Location: NC Cooperative Extension, Surry Center, 210 North Main Street, Dobson, NC 27017. 

Mizuho Nita, Assistant Professor and Grape Pathology Extension Specialist, AHS AREC, Virginia Tech Joanna Radford, NC cooperative Extension agent 
In this workshop, audiences will participate on a development of a full season grape disease management plan. This will be hands-on workshop with a lot of interactions. Items to be discussed are: integrated pest/disease management, fungicide resistance (FRAC code, rotation, etc.), and biology and management strategies for key diseases at each grape growth stages, from dormant to after harvest. At the end of the workshop, we will develop a mock-up plan(s) for a season, and critique as a group. This will count toward four hours of NC pesticide credits – categories N,O,D,X.  Also, full credit for VA category 90.

1:00 PM - 1:10 PM Introduction
1:10 PM- 1:40 PM  Safety and legal updates (Joanna Radford)
1:40-3:20 PM Grape pathology, fungicide updates (Mizuho Nita)
3:30-4:45 PM Interactive fungal disease management planning (Mizuho Nita)
5:00 PM Discussion and adjourn

3) Webinar on clean plants for the eastern wine and grape industry
How the National Clean Plant Network, new testing protocols and a revitalized NY certification program will reduce the risk of nursery-transmitted viral pathogens.

Time: Thursdays at Noon (Eastern Time). March 10, 17, 24, and 31.

Since 2008, National Clean Plant Network Centers have joined together to efficiently produce, maintain, and distribute healthy grapevine budwood to the industry.  These materials are starting to make their way to nurseries, and ultimately, to end-users.  This four-part webinar series will cover the process of producing and distributing virus-tested plant material, graft-transmissible diseases and their impact, New York State’s new testing and certification program, and New York nurseries’ investment in new motherblocks and propagation procedures.

March 10: The Pipeline:  From tissue culture to your vineyard.
Joshua Puckett, FPS, UC Davis and Tim Martinson, Cornell University
March 17: Viral diseases transmitted through nursery stock in the East: Grapevine Leafroll Disease, Tomato Ringspot, and Grapevine Red Blotch
Marc Fuchs, Cornell University; Annemiek Schilder, Michigan State University; and Mizuho Nita, Virginia Tech
March 24: Crown gall biology and management; Value of virus-tested plant material.
Tom Burr, Cornell University and Shadi Atallah, University of New Hampshire
March 31: New York’s revitalized grapevine certification program, and New York nurseries’ plans for the future
Marc Fuchs, Cornell University; Margaret Kelly, NYS Department of Ag and Markets; Dennis Rak, Double A Vineyards; Eric Amberg, Grafted Grape Nursery; Fred Merwarth, Hermann Weimer Nursery

Preregistration is required.  Register online at:
For more information and list of speakers:
 4) Webinar on grapevine red blotch disease
Grapevine Red Blotch Disease: What You Need to Know

Friday, February 26, 2016

Grapevine red blotch disease and the virus associated with it has been confirmed in many major grape production regions of the United States and Canada. Since the identification of the virus in 2011, several teams of researchers from across North America have been intensely characterizing the disease and effects on grapevines, as well as characterizing the virus, its spread, and potential management. Considerable progress has been made, but much remains unknown. Speakers representing many of these labs will be presenting their work and what it means for the grape industry. For more information, please contact Frank Zalom at . (or visit their registration page)

Agenda (note that times are Pacific)

Welcome and Introduction
Frank Zalom, UC Davis
History of red blotch, symptoms and significance
Mysore Sudarshana, USDA-ARS, Davis, CA
Etiology of red blotch
Marc Fuchs, Cornell University, Geneva, NY
Detection and genetic diversity of the virus
Keith Perry, Cornell University, Ithaca, NY
Effect of red blotch on grapevine performance
Rhonda Smith, UC Cooperative Extension
Red blotch situation in Oregon
Vaughn Walton, Oregon State University and Bob Martin, USDA-ARS, Corvallis, OR
Red blotch and the virus in Canada
Sudarsana Poojari, Agri-Canada, Canada
Red blotch and the virus in Europe
Jean-Sebastian Reynard, Agroscope, Switzerland
Virus Spread, disease gradient, and insects
Brian Bahder, UC Davis
FPS and NCPN, Protecting the supply chain of grapevines from red blotch
Deborah Golino, FPS, UC Davis
Question and Answer
Speakers (moderated by Frank)

For more information on the speakers, click here

If you need more information about the webinar, please contact Frank Zalom at .


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