In this Issue:
SPECIAL FEATURE
Corn Earworm Trap Catch and Sweet Corn Ear Infestations in Minnesota: Research Update
VEGETABLE NEWS
STRAWBERRY NEWS
The 2006 Strawberry Season: Short, Sweet and Buggy
APPLE NEWS
Apple Weekly Trap Counts
| Vol 3 No. 7 | June 30, 2006 |
Apple Insect Trap Counts for June 19 – June 29
County |
Location |
2006 Degree Days (Dates)* |
Dates Traps in Orchard |
CM |
DWB |
LAW |
OBLR |
RBLR |
STLM |
AM** |
La Crescent Region |
||||||||||
Fillmore |
Preston |
866.8 (4/01 to 6/26) |
6/19 to 6/26 |
16 |
0 |
16 |
2 |
100 |
640 |
0 (avg. for 3 baited spheres) |
Houston |
La Crescent |
947.2 (3/22 to 6/28) |
6/23 to 6/28 |
1 |
0 |
16 |
0 |
6 |
332 |
--- |
Winona |
St. Charles |
--- |
6/20 to 6/27 |
63 |
0 |
0 |
0 |
36 |
0 |
--- |
Hiawatha Region |
||||||||||
Rice |
Faribault-Site 1 |
1004.1 (4/06 to 6/27) |
6/20 to 6/27 |
7 |
0 |
26 |
11 |
103 |
972 |
0.66 (avg./3 baited spheres) |
Rice |
Faribault-Site 2 |
--- |
6/21 to 6/28 |
3 |
2 |
26 |
8 |
99 |
243 |
0.66 (avg./3 baited spheres) |
Wabasha |
Elgin |
958.7 (4/05 to 6/28) |
6/21 to 6/28 |
8 |
3 |
5 |
1 |
70 |
71 |
0.33 (avg./3 baited spheres) |
Wabasha |
Lake City |
1021.2 (4/05 to 6/28) |
6/21 to 6/28 |
2 |
1 |
16 |
0 |
130 |
95 |
0.33 (avg./3 baited spheres) |
St. Croix Region |
||||||||||
Chisago |
Shafer |
966.8 (4/01 to 6/28) |
6/21 to 6/28 |
4 (avg. 4 traps) |
0 |
0 |
7 |
27 |
1134 |
0 (avg./3 unbaited spheres) |
Dakota |
West St. Paul |
892.1 (3/25 to 6/28) |
6/21 to 6/28 |
2 |
0 |
20 |
4 |
37 |
550 |
3.17 (avg./9 baited spheres) & 0 (avg./ 2 unbaited spheres) |
Washington |
Hastings-Site 1 |
1065 (4/01 to 6/27) |
6/21 to 6/27 |
0.5 (avg. 2 traps) |
32 |
1 |
12 |
47 |
109 (avg. 2 traps) |
0 (avg./9 unbaited spheres) |
Washington |
Hastings-Site 2 |
1022.3 (4/02 to 6/28) |
6/21 to 6/28 |
2 (avg. 3 traps) |
85 |
2 |
18 |
102 |
600+ |
0 (avg./3 spheres) |
Washington |
Hugo |
968.6 (4/03 to 6/28) |
6/21 to 6/28 |
3 |
0 |
7 |
3 |
30 |
550 |
0 (avg./3 baited spheres) |
Washington |
White Bear Lake |
926.3 (4/01 to 6/29) |
6/23 to 6/29 |
10 |
1 |
15 |
4 |
29 |
648 |
0.33 (avg./3 baited spheres) |
West Metro Region |
||||||||||
Scott |
Veseli |
1111.3 (4/01 to 6/28) |
6/22 to 6/28 |
3 |
0 |
3 |
8 |
50 |
830 |
--- |
Stearns |
Fairhaven |
938.2 (4/04 to 6/26) |
6/19 to 6/26 |
3 |
3 |
28 |
4 |
24 |
568 |
2.33 (avg./3 baited spheres) |
Wright |
Maple Lake |
--- |
6/21 to 6/29 |
6 |
0 |
4 |
0 |
8 |
100+ |
--- |
Other Location |
||||||||||
Pine |
Kerrick |
622.0 (4/01 to 6/27) |
6/22 to 6/27 |
0 |
4 |
0 |
3 |
0 |
197 |
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.
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