IN THIS ISSUE
FEATURES & PRODUCTS Equipment Focus
7 Right-of-Way Equipment
Vegetation Management 8 Ensuring Reliability Facilitating the safe and effective coexistence of overhead electric lines and trees
Plant Health Care
12 Trees Get Hormonal Too Understanding plant hormones and their impact on plant growth
Training & Education
14 Tree Dynamics and Risk Assessment Why do trees move the way they do,and what does that mean for me and you?
Special Feature 18 Asian Longhorned Beetle: 10 Myths and Misconceptions Business Management 22 An Analysis of the Six Most Common Methods of Estimating DEPARTMENTS
3 Pest of the Month 6 From the Editor
23
23 Tree of the Month 24 Marketplace 24 Classifieds 25 Advertisers' Index 26 Apps for Arborists
ARBOR AGE (ISSN 0279-0106) (USPS 0589-830) (Reg. U.S. Pat. & T.M. Off.) is published monthly except Jan/Feb, May/June, July/August and Nov/Dec by M2MEDIA360, a Bev-Al Communications, Inc. company, at 1030 W. Higgins Rd., Suite 230, Park Ridge, IL 60068. Periodicals postage paid at Park Ridge, IL and additional mailing offices. POSTMASTER: Please send change of address to ARBOR AGE, P.O. Box 4290, Port Jervis, NY 12771. SUBSCRIPTION RATES: One Year $40, Two Years $65, One Year Foreign Surface Mail $65, One Year Foreign Airmail $130, Two Years Foreign Surface Mail $110, Two Years Foreign Airmail $220, Single Copy $8. Send payments in advance, in U.S. funds, to ARBOR AGE, P.O. Box 4290, Port Jervis, NY 12771, Phone: (845) 856-2229; Fax: (845)856-5822. COPYRIGHT © 2012, ARBOR AGE. Material may not be reproduced or photocopied in any form without the written permission of the publisher.
Volume 32, Number 5, July/August 2012 14 8 12
July/August 2012
Volume 32, Number 5
Photo by Dean Morewood, Health Canada, Bugwood.org
4 Arbor Age / July/August 2012 www.arborage.com
ON THE COVER