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Spotted Wing Drosophila Management on Sweet Cherry

Elizabeth H. Beers WSU Tree Fruit Research & Extension Center 1100 N. Western Ave. Wenatchee, Washington

Cherry Research Review Hood River Best Western, Hood River, OR 8-9 November, 2011 2:25-2:50 pm

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E. Beers ©2011

2011 Eastern Washington SWD trapping program (E. Beers, D. Walsh)

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E. Beers ©2011

SWD Trap Catches: 2010 v 2011

Jan Feb Mar Apr May Jun Jul Aug Sep Oct

Avg.

SW

D/tr

ap/w

eek

0

5

10

15

20

25

30

35

2010 2011

CY 2010 CY 2011

Sum

SW

D/S

um S

ampl

es

0

1

2

3

4

5

6

7

-90%

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E. Beers ©2011

SWD Standard Trap Test

Haviland trap mesh top, cover Modified Haviland trap (10 holes in sides, no cover)

Van Steenwyk trap, 1 qt ice cream, mesh top, cover

Deli cup (1 qt, 10 holes in sides) Red cup (1 qt, 10 holes in sides) Contech (2 holes in sides)

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E. Beers ©2011

Standard Trap Test (SCRI*SWD)

Avg. SWD/trap0 5 10 15 20 25 30

VanSteenwyk

Haviland

Haviland Mod

Delicup

Redcup

Contech Heinz

Contech WF cd

d

c

b

c

a

b

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E. Beers ©2011

2011 Bait Test S

WD

/trap

0.0

0.4

0.8

1.2

1.6

2.0

males females total

a

ab

ab

abb

a

a

a

bc

b

a

SuperBaitContech

"Zalom" YeastContech

ACVContech

ACVDeli Cup

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E. Beers ©2011

Scentry Lure Test 1132

Lure type

Damascenone ACV fiber cis-Pentene DEA-ethanol Raspberry Methylbutyric ACV

Inse

cts/

trap

(sea

sona

l mea

n)

0

2060

80

100

120

SWD Males SWD Females SWD Total Other Drosophila Diptera Coleoptera

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E. Beers ©2011

Which trap caught first? A B C D E F

VanSteenwyk X XHaviland X X X XHaviland ModDelicup XRedcupContech Heinz XContech WF

A B C D E F G HContech/Super X X XContech/Yeast X XContech/ACV X X XDeli/ACV X X X X X X

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E. Beers ©2011

Bait+Toxicant Tests

% M

orta

lity

0

20

40

60

80

100

GF-120undiluted

GF-1201:5 dilution

Check1101-16 to 1101-20

GF-120 Toxicant+Bait Toxicant alone Bait alone Check

% M

orta

lity

(fem

ales

, 48

h)

0

20

40

60

80

100

Success+NuLure Success+Molasses Entrust+Molasses Entrust+KaroLight Entrust+KaroDark

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E. Beers ©2011

GF-120 Field Trial Sample date

GF-120 Entrust Check

Adu

lts+P

upae

Em

erge

d/50

frui

t

0

5

10

15

20

25

30

35

18 Jul 26 Jul2 Aug

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E. Beers ©2011

SWD Field Trial - Sunrise O

vipo

sitio

n pu

nctu

re/5

frui

t

0

10

20

30

40

50

a

ab

b b b b

Success Delegate Entrust Warrior Endigo Check

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E. Beers ©2011

Rimon fruit dip bioassay Mortality

% M

orta

lity

0

25

50

75

100

MalesFemales

a a aa a a

AdultsA

dults

/repl

icat

e

0

10

20

30

40 Males Females Total

aa

aa

a

a aa

a

Rimon32 fl oz

Rimon20 fl oz

Check

Rimon32 fl oz

Rimon20 fl oz

Check

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E. Beers ©2011

Organic options

1101-11

EF300 1.25% EF300 0.75% Check

% M

orta

ltiy

(48

h)

0

20

40

60

80

100

Females Males

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E. Beers ©2011

PyGanic Rate Test 1101-12

PyGanic 1.4EC

% M

orta

ltiy

(fem

ales

, 48

h)

0

20

40

60

80

100

PyGanic64 fl oz

PyGanic32 fl oz

PyGanic16 fl oz

Check

a

b b b

1101-12PyGanic 5EC[18 fl oz/acre]

% M

orta

ltiy

(fem

ales

, 48

h)

0

20

40

60

80

100

PyGanic20 gal

PyGanic50 gal

PyGanic100 gal

Check

a

b b b

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E. Beers ©2011

Entrust Rate Bioassay 1101-09

% M

orta

ltiy

0

20

40

60

80

100

Female Male

Entrust3 oz

Entrust2 oz

Entrust1 oz

Check

1101-10

% M

orta

lity

0

20

40

60

80

100

Males Females

Entrust2.25 oz

Entrust1.80 oz

Entrust1.25 oz

Check

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E. Beers ©2011

SWD Website http://extension.wsu.edu/swd

World Class. Face to Face.

E. Beers ©2011

SWD Website http://extension.wsu.edu/swd

World Class. Face to Face.

E. Beers ©2011

SWD Website http://extension.wsu.edu/swd

World Class. Face to Face.

E. Beers ©2011

SWD Website http://extension.wsu.edu/swd

World Class. Face to Face.

E. Beers ©2011

SWD Website http://extension.wsu.edu/swd

World Class. Face to Face.

E. Beers ©2011

Trapcodes

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E. Beers ©2011

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E. Beers ©2011

SWD Website http://extension.wsu.edu/swd

World Class. Face to Face.

E. Beers ©2011

World Class. Face to Face.

E. Beers ©2011

Outreach (2010/2011) • Cherry Research Review • 9 November 2011, Wenatchee, WA • • Washington State Horticultural Association • 7 December, 2010, Yakima • • Cascade Ag Distributors Recert Mtg. • 17 December 2010, Chelan • • WOPDMC • 13 January 2011, Portland, OR • • Cherry Institute • 14 January 2011, Yakima, WA • • Lake Chelan Hort Day • 17 January 2011, Chelan • • Wilbur-Ellis Grower Mtg • 18 January 2011, Yakima, WA • • Stone Fruit Day • 20 January 2011, Wenatchee • • Apple Research Review • 26 January 2011, Yakima, WA

• Quincy Farm Chemicals • 8 February 2011, Quincy, WA • • Wilbur Ellis • 10 February 2011 • • Northwest Wholesale Organic Mtg. • 15 February 2011 • • Spotted Wing Drosophila Workshop • 16 February 2011 • • Northwest Wholesale Recert Mtg. • 17 February 2011, Brewster, WA • • Stemilt Grower Mtg. • 22 March 2011, Wenatchee • • Pacific Branch ESA • 28 March, 2011, Kona, HI

Beers, E. H., R. A. Van Steenwyk, P. W. Shearer, B. Coates, and J. A. Grant. 2011. Developing Drosophila suzukii management programs for sweet cherry. Pest Manag. Sci. (wileyonlinelibrary.com) DOI 10.1002/ps.2279 Haviland, D.R., E. H. Beers, and R. A. Van Steenwyk. In prep. Chemical Control Programs for Drosophila suzukii that Comply with International Limitations on Pesticide Residues for Exported Cherries. Journal of Integrated Pest Management.

http://extension.wsu.edu/SWD

http://jenny.tfrec

.wsu.edu/opm

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E. Beers ©2011

Leveraged Funds

47%

29%

9%

15%

WTFRC SCBG SCRI (D+I) TASC (D+I)

Per year, including Direct and Indirect costs (aka Overhead) where applicable

SCBG: post-doc TASC: stone fruit susceptibility SCRI: trapping

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E. Beers ©2011

FAS-TASC Foreign Agricultural Service-Technical Assistance for Specialty Crops

• Need grower cooperators for new grant in 2012 • Low impact! • Sample fruit 3x during season • Provide spray records • Call or email me–ebeers@wsu.edu, 509-679-1010 or

Doug Walsh

Spotted Wing Drosophila on Stone Fruit Co-sponsored by the California Grape and Tree Fruit League and the

Northwest Horticultural Council “Designation of Fruit Host Preference in Commercial Production of Stone Fruits (Peaches, Plums, Nectarines and Apricots) for Drosophila suzukii

(SWD) and Development of Orchard Management Guidelines for SWD for Export to Australia – Systems Approach”