In this Issue:
VEGETABLE NEWS
STRAWBERRY NEWS
APPLE NEWS
Apple Maggot Flight Activity
Order: 2007 Minnesota Vegetable Guide
| Vol 4 No. 8 | July 13, 2007 |
Apple Maggot Flight Activity
In 2006, the MDA worked with Dr. Emily Hoover and Harpartap Mann (Department of Horticultural science, University of Minnesota) to analyze apple insect trap data collected by the MDA for the past several years. Weekly insect flight activity was monitored at twenty-five locations in Minnesota using baited apple maggot spheres. Insect flight activity data was graphically summarized using SPSS statistical analysis software (SPSS Inc. Chicago IL). Insect flight activity was modeled on degree day data and models of insect incidence thus created for Minnesota were compared to published degree day models from Michigan and other eastern states. Below are the results for apple maggot.
Table 1. Apple Maggot Flight Activity |
||
Location |
Peak |
|
Mean |
SE |
|
Minnesota |
1446 |
±56 |
Michigan |
1600 |
|
| Mean of degree days corresponding to peak of Apple Maggot flight activity in Minnesota. Degree days calculated with base temperature of 50°F |
||
 |
|
 |
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
The University, including the Minnesota Extension Service, is an equal
opportunity educator and employer. Privacy Policy
©1999-2007 Minnesota Extension Service,
University of Minnesota. All rights reserved. Contact copyright@extension.umn.edu for information on reproduction or use of this material.