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Arboriculture - Advanced TUESDAY, JANUARY 29, 2008 8:00 - 10:15 am AA1 WORKSHOP: Trees & Drought – The
Agony of Water Stress! Almost 80% of variation in tree growth is water related. Water is the chemical solution, cell bath and transport highway for tree life. Unfortunately, many tree environments fail to provide optimum water resources to sustain tree vigor. In order to better care for trees, understanding the physical and biological consequences of water stress and strain must be appreciated. A review of the role water plays in tree health, the influence of site heat loading, and drought symptomology can help landscape professionals. VCH = 2.25 | VSLD = 2.25 | LCM = 2.25 | ISA: AMUTBp = 2.25
10:45 - 11:45 am AA2 Research on Bacterial Leaf
Scorch and Pine Tip Blight: Disease Management Learn the latest research on two important diseases - Bacterial leaf scorch (Xylella fastidiosa) of oaks and other deciduous trees and Diplodia tip blight (Diplodia pinea) of Austrian pines. The University of Kentucky developed a Polymerase Chain Reaction (PCR) method to detect D. pinea in Austrian pines and found that it lives in symptomless shoots. Numerous woody and herbaceous hosts for X. fastidiosa exist in Kentucky landscapes. With oxytetracycline injections in research trials, seasonal symptom expression of bacterial leaf scorch in pin oaks was delayed. VCH = 1 | VSLD = 1 | LCM = 1 | ISA: AMBs = 1
1:00 - 2:00 pm T1 Understanding Trees &
Lightning – Sparking Great Protection One protective
service installed on historic and culturally significant trees is
lightning protection. Saving valuable specimen trees from catastrophic
lightning damage can be a wise investment. Understanding the forces of
lightning, its impact on trees and our means for mitigating damage in a
safe and cost-effective manner is critical. Join us for a basic review
of critical issues involved with lightning protection and lightning
conduction systems. This is not an installation specification guide.
2:15 - 4:30 pm AA3
WORKSHOP: Beyond the Yard to the Woods We Go: New Opportunities for
Services Adam Downing, Virginia Cooperative Extension
Modest acreage homeowners with an interest in creating and enhancing
natural areas around their home are providing new business
opportunities. Are you ready to add to your services to go “beyond the
yard?” WEDNESDAY, JANUARY 30, 2008 8:00 - 9:00 am AA4 Urban Forestry Activism Gets
Results! The NOVA Roundtables Discover how to effect changes in Urban Forestry. Learn to develop partnerships and search out organizations that can expand the reach of Urban Forestry regionally. The NOVA Urban Forestry Roundtables have drawn a diverse and interested group from around the region. Through an open dialogue, the importance of Urban Forestry is strengthened. VCH = 1 | VSLD
= 1 | LCM = 1 | ISA: AMBm = 1 9:15 - 10:15 am AA5 Urban Tree Canopy Assessment:
Taking the Mystery Out of Performing a Regional Tree Inventory and
Quantifying the Benefits This session reviews the “State of Chesapeake’s Urban Forest 2007,” the first known study of its kind published in Virginia. Included is a comparative inventory by satellite imagery in the mid-1990s compared to 2005. The quantified benefits are assessed using the methods demonstrated by American Forests in their numerous published tree canopy assessments. Examples of how to take your own inventory are provided. VCH = 1 | VSLD = 1 | LCM = 1 | ISA: AMBm = 1
10:45 - 11:45 am AA6 Finessing Trees through Old Age
Older members of our tree population should be treated with respect and caution. Inappropriate reduction, raising the canopy and other techniques designed to help can often end up initiating a downward health spiral. Above and below ground treatments for old trees are discussed based upon recent research and practice. VCH = 1 | VSLD = 1 | LCM = 1 | ISA: AMUTBp = 1
11:45 am - 1:00 pm Lunch (on your own) 12:00 - 12:45 pm (optional) Tours of Founders Inn grounds by James River Grounds Management.
1:00 - 2:00 pm AA7 New Research in Designing Spaces to Sustain Trees along Streets and in Parking Lots Ed Gilman, Dept. Environmental Horticulture, University of Florida Learn how to design spaces including sidewalks and parking lots to support tree growth so your design vision can be fulfilled. Topics include making space for tree roots and tops, traditional urban landscape designs vs. designs that actually work and why. This session provides lots of illustrations, specifications, and take-home messages for the audience. VCH = 1 | VSLD = 1 | LCM = 1 | ISA: AMBm = 1
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