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Dave Whitmer, Agricultural Commissioner/Sealer EGVM Presentation.

Published byKarin Holland Modified over 9 years ago

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Presentation on theme: "Dave Whitmer, Agricultural Commissioner/Sealer EGVM Presentation."— Presentation transcript:

1 Dave Whitmer, Agricultural Commissioner/Sealer EGVM Presentation

2 Dave Whitmer, Agricultural Commissioner/Sealer Status Report on EGVM within Napa County January 17, 2010 EUROPEAN GRAPEVINE MOTH (EGVM) EGVM Presentation

3 European Grapevine Moth in Napa County First confirmed detection:September 29, 2009 Total larval specimens Lobesia sp. positive: 30 Total larval properties Lobesia sp. positives: 23 Total adult EGVM Lobesia botrana found: 8 EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer

4 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer Distribution of finds

5 European Grapevine Moth in Napa County Known geographic distribution within Napa County: Primarily Oakville/Rutherford area Zinfandel Lane, south of St. Helena Third Avenue, east of Napa Total detection traps deployed (10/7-26/2009): 250 Number of trap servings prior to winter: 3 Total adult EGVM Lobesia botrana found:8 EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer

6 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer Delimitation Trapping

7 Dave Whitmer, Agricultural Commissioner/Sealer European Grapevine Moth in Napa County Life Stages

8 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer

9 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer

10 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer

11 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer

12 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer

13 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer Botrytis Begins…

14 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer

15 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer Almost Completely Botrytized…

16 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer Best Way to Dispose of Infested Crop

17 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer And in Reds…

18 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer And in Reds… …premature shrivel and entry holes in berries

19 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer A Closer Look

20 European Grapevine Moth in Napa County EGVM Presentation Dave Whitmer, Agricultural Commissioner/Sealer A Closer Look

21 Dave Whitmer, Agricultural Commissioner/Sealer

22 European Grapevine Moth in Napa County Potential Distribution in the U.S. Dave Whitmer, Agricultural Commissioner/Sealer

23 European Grapevine Moth in Napa County What’s Happening Right Now? –Regulatory program is being developed and will closely mirror LBAM quarantine requirements –Determining extent of infestation through delimitation trapping (budbreak early to mid March) –Working with USDA/CDFA to get quality information and develop strategy well before Spring –Technical Working Group (area under quarantine, eradication, trap denisties, monitoring, degree day model, treatment, area wide mating disruption, etc.) –Working with USDA (SITC) to identify how EGVM got to Napa County Dave Whitmer, Agricultural Commissioner/Sealer

24 European Grapevine Moth in Napa County Challenge is developing and implementing action steps which are dependent on recommendations of Technical Working Group (TWG) Statewide Survey being planned for all grape growing areas in California (25 traps per sq. mi.) Dave Whitmer, Agricultural Commissioner/Sealer

25 European Grapevine Moth in Napa County Growers are asked to become educated about EGVM biology, including: –Life stages (eggs, larvae, pupae, adults) –Feeding behavior and damage on grapevines Flower (individual developing flowers and berries; larval nests) Fruit (individual berries, webbing in clusters, bunch rot) Become familiar with pest management strategies, monitor vineyards, regularly check for email alerts and visit County/UC website for treatment timing Comply with all applicable quarantine and compliance agreement requirements to prevent artificial spread and allow harvested winegrapes to be moved for processing Dave Whitmer, Agricultural Commissioner/Sealer

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