In this Issue:
VEGETABLE NEWS
A RISK MANAGEMENT AGENCY FACT SHEET
APPLE NEWS
Apple Weekly Trap Counts
STRAWBERRY NEWS
White Grubs in Blueberries and Strawberries
Please Note: the next newsletter will be published August 11.
| Vol 3 No. 9 | July 21, 2006 |
Apple Insect Trap Counts for July 10 – July 20
County |
Location |
Degree Days in 2006 (Dates)* |
Dates Traps in Orchard |
CM |
DWB |
LAW |
OBLR |
RBLR |
STLM |
AM |
La Crescent Region |
||||||||||
Fillmore |
Preston |
1623.9 (4/01 to 7/19) |
7/10 to 7/18 |
4 |
0 |
11 |
0 |
79 |
162 |
1.67 (avg. of 3 baited spheres) |
Houston |
La Crescent |
1449.8 (3/22 to 7/20) |
7/05 to 7/20 |
12 |
3 |
11 |
0 |
67 |
332 |
0.67 (avg. of 3 baited spheres) |
Winona |
St. Charles |
--- |
7/11 to 7/18 |
31 |
--- |
--- |
1 |
30 |
--- |
--- |
Hiawatha Region |
||||||||||
Rice |
Faribault - Site 1 |
1507.4 (4/06 to 7/18) |
7/11 to 7/18 |
0 |
2 |
3 |
7 |
126 |
163 |
1.33 (avg. 3 baited spheres) |
Rice |
Faribault – Site 2 |
--- |
7/13 to 7/19 |
1 |
0 |
10 |
1 |
91 |
486 |
3.0 (avg. 3 baited spheres) |
Wabasha |
Elgin |
1437.4 (4/05 to 7/19) |
7/12 to 7/19 |
10 |
1 |
7 |
0 |
70 |
34 |
1.67 (avg. 3 baited spheres) |
Wabasha |
Lake City |
1532.4 (4/05 to 7/19) |
7/12 to 7/19 |
17 |
6 |
7 |
3 |
28 |
98 |
1.33 (avg. 3 baited spheres) |
St. Croix Region |
||||||||||
Chisago |
Shafer |
1443.6 (4/01 to 7/19) |
7/12 to 7/19 |
4 (avg. of 4 traps) |
6 |
29 |
1 |
108 |
252 |
0.33 (avg. 3 unbaited spheres) |
Dakota |
West St. Paul |
~1567.7 (3/25 to 7/19) |
7/12 to 7/19 |
12 |
0 |
13 |
1 |
23 |
349 |
6.67 (avg. 3 baited spheres) & 0.17 (avg. 6 unbaited spheres) |
Washington |
Hastings – Site 1 |
--- |
7/11 to 7/19 |
10 (avg. of 2 traps) |
1 |
14 |
2 |
38 |
38.5 (avg. of 2 traps) |
0.1 (avg. 9 unbaited spheres) |
Washington |
Hastings – Site 2 |
1511.1 (4/02 to 7/19) |
7/12 to 7/19 |
5 (avg. of 3 traps) |
6 |
4 |
11 |
60 |
27 |
0 (avg. 3 baited spheres) |
Washington |
Hugo |
1468.1 (4/03 to 7/19) |
7/12 to 7/19 |
5 |
0 |
22 |
0 |
48 |
331 |
3.0 (avg. 3 baited spheres) |
Washington |
White Bear Lake |
1411.2 (4/01 to 7/19) |
7/13 to 7/20 |
11 |
1 |
29 |
2 |
38 |
648 |
1.33 (avg. 3 baited spheres) |
West Metro Region |
||||||||||
Scott |
Veseli |
1640.6 (4/01 to 7/19) |
7/12 to 7/19 |
19 |
0 |
22 |
3 |
164 |
729 |
2 (avg. 3 baited spheres) |
Stearns |
Fairhaven |
1419.6 (4/04 to 7/17) |
7/10 to 7/17 |
4 |
48 |
7 |
1 |
1 |
316 |
8.33 (avg. 3 baited spheres) |
Wright |
Maple Lake |
--- |
7/13 to 7/20 |
5 |
--- |
--- |
0 |
12 |
--- |
3.0 (avg. 3 baited spheres) |
Other Location |
||||||||||
Pine |
Kerrick |
1052 (4/01 to 7/19) |
7/11 to 7/19 |
1 |
0 |
27 |
7 |
65 |
71 |
0 (avg. 3 baited spheres) |
KEY: CM = codling moth, DWB = dogwood borer, LAW = lesser appleworm, 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.
** AM -- Note that some locations use apple essence bait while others do not. The threshold for a baited sphere is 5 AM and 1 AM for an unbaited sphere.
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 Jean Ciborowski, 651-201-6217, jeanne.ciborowski@state.mn.us, MDA, 625 Robert St. North, St. Paul, MN 55155-2538. 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: http://www.mda.state.mn.us/ipm/ipmnews/
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.
The University, including the Minnesota Extension Service, is an equal opportunity educator and employer. ©1999-2006 Minnesota Extension Service, University of Minnesota. All rights reserved. Contact copyright@extension.umn.edu for information on reproduction or use of this material.