MN Fruit & Vegetable IPM News - Vol. 2, No. 2

Location	Date Sampled	Strawberry Bud Weevil	Strawberry Bud Weevil	Tarnished Plant Bug	Thrips
Location	Date Sampled	Avg. # clipped buds/2ft 2	# of adult weevils found in field	#nymphs/flower cluster	Avg. # / flower bud
Fairhaven	5/9/05	0	0	0**	0.6
White Bear Lake	5/12/05	xxx***	xxx	xxx	xxx

*Sampling is done using standard sampling techniques for each pest. ** 3 nymphs and 2 adults were found by shaking a plant onto a pan. No flower clusters have formed yet. *** No plant sampling was done because of cold, rainy conditions. Plants are in the flower bud stage. Data collected at a given cooperator site is a snap-shot” of that particular field and does not represent other fields in that area.

Critical Spring Temperatures for Strawberry Bud Stages (°F)

	Buds Emerged	Buds Closed	Bloom	Small Fruit
Damage	10	22-27	28	28

Compiled by Mark Longstroth, District Extension Horticulture Agent, MSU Extension
Complete fruit chart available at: http://web1.msue.msu.edu/vanburen/crtmptxt.htm

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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, 651-297-3217, jeanne.ciborowski@state.mn.us , MDA, 90 W. Plato Blvd., St. Paul, MN 55107-2094. 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/biocon/fruitreports/

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. ©1999-2005 Minnesota Extension Service, University of Minnesota. All rights reserved. Contact copyright@extension.umn.edu for information on reproduction or use of this material.