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Tips like this are excellent. Easyto do and understand, and free! Thanks very much for taking the time. I am sending it to the organic farmer listserv now: [log in to unmask] Vicki Morrone Organic Vegetable and Crop Outreach Specialist Michigan State University C.S. Mott Sustainable Food Systems 303 Natural Resources Bldg. East Lansing, MI 48824 517-353-3542 517-282-3557 (cell) 517-353-3834 (fax) http://safs.msu.edu/ http://www.mottgroup.msu.edu/ -----Original Message----- From: Field Crops AOE [mailto:[log in to unmask]] On Behalf Of Chris DiFonzo Sent: Saturday, October 21, 2006 9:29 AM To: [log in to unmask] Subject: buckthorn is visible Importance: High NOW IS THE TIME TO FIND BUCKTHORN, the overwintering host for soybean aphid. This year, I've finally remembered to send an email. Most trees and shrubs have changed color and leaves are dropping. Buckthorn is still dark green and covered with leaves - very obvious even at 70 mph. So if you are interested in mapping buckthorn in your area, now is the time. For tips on ID, check out the bulletin that Steve Gower and I wrote in 2002 E2803, Buckthorn in the Landscape: Identification and Control Chris <><><><><><><><><><><><><><><><><> Dr. Christina DiFonzo Field Crops Entomology Program Michigan State University East Lansing, MI 48824 Mailing Address: 243 Natural Science Building Office Address: 331 Natural Science Building tel: 517-353-5328 fax: 517-353-4354 <><><><><><><><><><><><><><><><><> If you would like to access previous postings to the Mich-Organic listserv you can copy and paste the following URL into your browser address bar http://list.msu.edu/archives/mich-organic.html