In this Issue:

FEATURE ARTICLE

Insect Migration Forecast System for the Midwest

VEGETABLE NEWS

Vegetable Insect Pest Update

STRAWBERRY NEWS

Bronzing in Strawberries

APPLE NEWS

Apple Scab Infections

Take Note! Adult Apple Maggot Emergence

Weekly Trap Counts


Order: 2007 Minnesota Vegetable Guide

Insect, Pest Fact Sheets

Vol 4 No. 6   June 22, 2007

Apple Insect Pests: Weekly Trap Counts

 County

 Location

Degree Days (Dates)**

Dates Traps in Orchard

 CM

 DWB

LAW

OBLR

RBLR

STLM

La Crescent Region

Fillmore

Preston

832.0
(4/1 to 6/19)

6/13 – 6/20

27

0

26

2

83

500+

Houston

La Crescent

914.7
(4/1 to 6/21)

6/14 – 6/20

4

2

32

1

83

1296

Winona

St. Charles

---

6/12 – 6/19

5

---

---

1

57

---

Hiawatha Region

Rice

Faribault (Site 1)

944.9
(4/5 to 6/19)

6/12 – 6/19

3.5
(avg. 2 traps)

9

8

1

124

2

Rice

Faribault (Site 2)

982.4
(4/1 to 6/21)

6/14 – 6/21

3

4

19

14

136

810

Wabasha

Elgin

898.4
(4/4 to 6/20)

6/13 – 6/20

7.5
(avg. 2 traps)

3

20

0

31

180

Wabasha

Lake City

904.3
(4/4 to 6/20)

6/13 – 6/20

10.5
(avg. 2 traps)

15

40

0

38

164

St. Croix Region

Chisago

Shafer

888.9
(3/23 to 6/21)

6/15 – 6/21

2.25
(avg. 4 traps)

0

6

4

22

~648

Dakota

West St. Paul

---

6/13 – 6/20

4

1

10

0

29

1875

Washington

Hastings (Site 1)

971.0
(4/1 to 6/19)

6/13 – 6/20

5.5
(avg. 3 traps)

22

20

1

42

85
(avg. 2 traps)

Washington

Hastings (Site 2)

941.1
(4/1 to 6/21)

6/14 – 6/21

2.5
(avg. 4 traps)

60

15

0

38

100

Washington

Hugo

927.6
(4/1 to 6/20)

6/13 – 6/20

7

0

3

0

37

435

Washington

White Bear Lake

843.6
(4/1 to 6/20)

6/14 – 6/21

20.5
(avg. 2 traps)

0

12

1

0

972

West Metro Region

Scott

Veseli

940.9
(4/13 to 6/19)

6/13 – 6/19

10

0

0

4

52

1215

Stearns

Fairhaven

864.8
(4/3 to 6/18)

6/11 – 6/18

12
(avg. 2 traps)

25

45

10

5

810

Other Location

Pine

Kerrick

582.0
(4/1 to 6/19)

6/12 – 6/19

0

0

7

0

0

4

 

 

 

 

CM

DWB

LAW

OBLR

RBLR

STLM

KEY: CM = codling moth, DWB = dogwood borer, LAW = lesser apple worm, OBLR = obliquebanded leafroller, RBLR = redbanded leafroller, STLM = spotted tentiform leafminer,    --- = no information provided.
** Degree days using Spec 7 Pro = cumulative or integral degree days (uses hourly temperatures), with calculation parameters of Base Temp = 50°F and Upper Limit = 86°F. 

 

 

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ACKNOWLEDGEMENTS

Co-Editors: Bill Hutchison (hutch002@umn.edu), Department of Entomology, University of Minnesota, Jeanne Ciborowski, Minnesota Department of Agriculture, Ag. Resources Management and Development Division, and Suzanne Wold-Burkness (woldx018@umn.edu), Department of Entomology, University of Minnesota

The Newsletter is published weekly from May through August, cooperatively, by the Minnesota Department of Agriculture (MDA) and the University of Minnesota (U of MN).  Reports are posted on the U of MN and MDA web sites on Fridays.  If you have suggestions and/or comments, please send your contributions by 4 p.m., Wednesday to Jeanne Ciborowski, 651-201-6217, jeanne.ciborowski@state.mn.us , MDA, 625 Robert St. North, St. Paul, MN  55155.  You can access the Newsletter at the U of MN web site in htm format at: www.vegedge.umn.edu/MNFruit&VegNews/mnindex.htm and at the MDA web site in pdf format at: www.mda.state.mn.us/plants/pestmanagement/ipm/ipmnews.htm

Partial funding for this publication is provided through partnership agreements with the Minnesota Fruit and Vegetable Growers Association (MFVGA) and the United States Department of Agriculture – Risk Management Agency (RMA).  These institutions are equal opportunity providers.

DISCLAIMER

Reference to products in this publication is not intended to be an endorsement to the exclusion of others which may have similar uses. Any person using products listed in this publication assumes full responsibility for their use in accordance with current manufacturer directions.

                    


Last Revised June, 2007 by woldx018@umn.edu
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