In this Issue:

VEGETABLE NEWS

Vegetable Insect Pest Update

BERRY NEWS

Flower Initiation

APPLE NEWS

Weekly Trap Counts

MDA PUBLICATION

Greenbook 2007” Highlights Innovative Demonstration Farm Projects

To Our Readers


Order: 2007 Minnesota Vegetable Guide

Insect, Pest Fact Sheets

Vol 4 No. 11   August 24, 2007

Apple Insect Pests: Weekly Trap Counts

 County

 Location

Degree Days (Dates)**

Dates Traps in Orchard

 CM

DWB

 LAW

OBLR

RBLR

STLM

AM***

La Crescent Region

Houston

La Crescent

2247.9
(4/01 to 8/23)

8/15 – 8/23

4

0

39

1

224

440

2

Winona

St. Charles
(Traps out 2 weeks)

---

8/08 – 8/20

2

---

---

1

125

---

6.3

Hiawatha Region

Rice

Faribault - Site 1

2348.8
(4/05 to 8/21)

8/14 – 8/21

5
(Avg. 2 traps)

0

9

0

192

29

1

Rice

Faribault – Site 2

2310.5
(4/01 to 8/22)

8/15 – 8/22

3

2

13

0

225

25

1.6

Wabasha

Elgin

2158.3
(4/04 to 8/22)

8/15 – 8/22

20
(Avg. 2 traps)

0

4

0

210

5

1

Wabasha

Lake City

2251.1
(4/04 to 8/22)

8/15 – 8/22

20
(Avg. 2 traps)

0

22

0

174

35

2.3

St. Croix Region

Chisago

Shafer

2093.9
(3/23 to 8/22)

8/16 – 8/22

3.25
(Avg. 4 traps)

0

---

0

24

---

0

Dakota

West St. Paul

---

8/15 – 8/22

4

0

12

0

45

3550

2.6

Washington

Hastings – Site 1

2397
(4/01 to 8/21)

8/14 – 8/22

.33
(Avg. 3 traps)

1

5

2

2

8
(Avg. 2 traps)

0
(Avg. 9 spheres)

Washington

Hastings – Site 2
(Traps out 2 weeks)

2268.8
(4/01 to 8/22)

8/09 – 8/22

1.75
(Avg. 4 traps)

2

1

0

76

10

0
(Avg. 4 spheres)

Washington

Hugo

2255.9
(4/01 to 8/22)

8/15 – 8/22

1

0

2

0

88

99

1

Washington

White Bear Lake

---

8/16 – 8/23

3.5
(Avg. 2 traps)

2

7

0

45

14

0.3

West Metro Region

Scott

Veseli

2329
(4/13 to 8/22)

8/14 – 8/22

7

1

19

1

150

315

1.3

Stearns

Fairhaven

2197.7
(4/03 to 8/20)

8/13 – 8/17

8
(Avg. 2 traps)

3

10

2

70

648

4.3

Other Location

Pine

Kerrick

1653
(4/01 to 8/22)

8/16 – 8/22

0

0

36

1

0

107

2.3

KEY: CM = codling moth, DWB = dogwood borer, LAW = lesser apple worm, OBLR = obliquebanded leafroller, RBLR = redbanded leafroller, STLM = spotted tentiform leafminer,  AM = apple maggot,  --- = 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. 
***Average of 3 spheres unless otherwise noted.

 

 

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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 July, 2007 by woldx018@umn.edu
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