Spotted Wing Drosophila in Eastern Washington, 2010

Transcription

1 Spotted Wing Drosophila in Eastern Washington, th Orchard Pest & Disease Management Conference Portland Hilton, Portland, OR January, 2011 Elizabeth H. Beers, Doug Walsh, Tim Smith Tree Fruit Research & Extension Center 1100 N. Western Ave. Wenatchee, Washington

2 Bioclimatic model prediction for SWD Okanogan Chelan Douglas Lincoln Kittitas Grant Adams Yakima Klickitat Benton Franklin Walla Walla

3 and then came June 28 June, fieldman brings in a sample from an apple cider vinegar trap 4 male SWD confirmed

4 No. of SWD traps processed/week (Beers+Walsh traps, all baited with apple cider vinegar (ACV) 600 Traps/week traps/week Walsh Beers Mar Apr May Jun Jul Aug Sep Oct Nov Dec

5 SWD 2010 Trap Catch (Beers, Walsh traps) % Positive Traps Avg SWD/trap/week 100/SWD/trap/week (n=12) 80 Avg. SWD/trap/week % Positive Traps Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0

6 SWD Seasonal Trap totals white no catch blue 1 to 10 green yellow orange red 500+

7 n samples total Strawberry 38 Raspberry/Blackberry Plum/Pluot Pear Peach/Nectarine Packinghouse Grape Cherry Blueberry Apricot Apple 1, ,554 3, Average SWD by Crop Average SWD/trap (seasonal)

8 No. samples Total Yakima Wenatchee WallaWalla TriCities Tonasket Royal City Rattlesnake Quincy Prosser Othello Orondo Moses Lake Mattawa Chelan/Manson Brewster , , , Average SWD by Region Average SWD/trap (seasonal)

9 SWD distribution I-90 north, south Avg. SWD/trap/week I-90 North I-90 South 2,274 samples 4,667 samples

10 South to North: OR, BC, WA 200 Avg. SWD/trap/week Washington British Columbia Mid-Columbia 0 Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan

11 Trap Types White sticky card Deli cup Nalgene Yogurt container Contech McPhail

12 Trap types Deli Contech +38% SWD/trap/week % +32% 2 0 Males Females Total

13 Deli v Contech 1,000 ml vol. 100 ml bait 200 ml vol. 40 ml bait

14 First catch: Deli vs Contech UFO3/4 UFO 7/8 UFO 5/6 UFO 17/18 UFO 15/16 UFO 11/12 UFO 1/2 NSA 7/8 NSA 5/6 NSA 3/4 NSA 1/2 NPLH CSI 9/10 CSI 11/12 Contech earlier Exp Deli earlier Deli earlier = 3 Contech earlier = 5 No difference = 6 Total = 14 *Avg. diff= 0 weeks Weeks difference in 1st trap catch

15 Apple Cider Vinegar vs Super Bait 25 ACV vs SuperBait (max catch=444) ns SWD/trap/week ACV SuperBait ns a Super Bait: Water (5.5 pt) Red wine (cheap) - 32 fl oz Apple cider vinegar -3 fl oz Molasses 6 fl oz Dishwashing liquid 1 tsp b 5 0 Males Females Total

16 Postharvest test on cherries 8 D. suzukii Drosophila spp. a Adult Drosophila/fruit b a ab a a 0 Dimethoate 4 pt Provado 8 fl oz Check

17 Postharvest test on cherries 8 D. suzukii Drosophila spp. a Adult Drosophila/fruit b a ab a a 0 Dimethoate 4 pt Provado 8 fl oz Check

18 A huge Thank You!! to the Fieldmen of Eastern Washington including, but not limited to: Wilbur-Ellis Northwest Wholesale Quincy Farm Chemicals Cascade Ag Distributing Northwest IPM Cascade IPM