In this Issue:

VEGETABLE NEWS

Vegetable Insect Pest Update

BERRY NEWS

Blueberry IPM School in Beautiful Bayfield

APPLE NEWS

Weekly Trap Counts

Apple Scab Infections


Order: 2007 Minnesota Vegetable Guide

Insect, Pest Fact Sheets

Vol 4 No. 10   August 10, 2007

Apple Scab Infections (Cornell Model)

Produced using Spec 7 Pro (Spectrum Technologies, Inc.)
(Parameters: Base temp. = 33 degrees F, Upper limit temp. = 78 degrees F, Wetness threshold = 6)


Orchard

# of Infection Periods

Infection Period Dates

Overall
Hours of Wetness

2007 Dates

Elgin

2

8/04, 8/05

16.0

8/01 – 8/08

Fairhaven

2

8/04, 8/05

18.0

7/30 – 8/06

Faribault – Site 1

6

7/31 – 8/05

78.0

7/31 – 8/07

Hastings – Site 1

3

8/04 – 8/06

37.0

8/01 – 8/07

Hastings – Site 2

3

8/04, 8/05, 8/07

29.0

8/02 – 8/09

Kerrick

2

7/31, 8/06

29

7/30 – 8/07

Lake City

2

8/04, 8/05

33

8/01 – 8/08

Lakeville

2

8/04, 8/05

29.8

8/03 – 8/09

Preston

5

7/31, 8/01, 8/04, 8/05, 8/07

57.5

7/31 – 8/07

St. Charles

2

8/04, 8/05

32

7/31 – 8/08

Veseli

4

8/04 – 8/07

46

7/31 – 8/07

White Bear Lake

1

8/06

25.5

8/02 – 8/09



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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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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