Progress Report: Perry County Ailanthus Clearance Pilot Project

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Progress Report Perry County Ailanthus
Clearance Pilot Project

• A.E. Gover, J.M. Johnson, J.F. Henry, and L.J.
  Kuhns
• Roadside Research Project
• Department of Horticulture
• Pennsylvania State University

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Premise

• Tree-of-heaven is an especially problematic plant
  in roadside settings, and is worthy of management
  programs devoted specifically to it.

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Objective

• Implement corridor-scale management project for
  Ailanthus
• Generate cost data
• Evaluate current recommendations
• Make necessary revisions to program, expand
  implementation
• Use Pilot Project to promote need for ailanthus
  management

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Participants

• Perry County (8-9) - Carl Fox, CMM
• for 98 contract hours, 84 gallons Glyphosate,
  CADCO 90, drift agent
• PSU Project
• 70 crew spray hours (182 MH), 18 gallons
  Glyphosate, 2.5 gallons Garlon 4

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Materials and Methods

• SR 22/322, Perry County
• 14 miles, limited access
• Completed mid-60s
• Juniata River Valley through Ridge Valley
  Province

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Materials and Methods

• Phase I- Control existing stems
• High-volume foliar
• Basal bark
• Phase II - Maintenance
• Low volume foliar

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Materials and MethodsHigh Volume Foliar

• 6/25 to 7/17/01
• Per 100 gallon
• Glyphosate 4 qt
• Arsenal 4 oz
• Surfactant
• Drift Control

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Materials MethodsHigh Volume Foliar

• Mid-Atlantic Vegetation Management
• 98 contract hours (196 MH)
• 5300 gallons
• PSU Roadside Project
• 41 crew hours (123 MH)
• 3100 gallons

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Materials MethodsHigh Volume Foliar

• 7/25-7/27
• Original mix plus Escort at 3/8 oz/100 gallons
• PSU Roadside Project
• 22 crew hours (44 MH)
• 1800 gallons
• Included some retreatment

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Materials MethodsBasal Bark

• 10/25/01
• Garlon 4/ABO, 25/75
• PSU Roadside Project
• 7 crew hours (14 MH)
• 9.8 gallons
• Retreat - size, access
• 5 miles

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Art Gover, horticulture research support
assistant for Penn State University, talking
about the ailanthus, or tree-of-heaven, growth
along Highway 26 in State College, Pa., on
Tuesday, Sept. 25, 2001. Ailanthus is a problem
tree along Pennsylvania highways, and Gover is
working with PennDOT to eliminate the trees along
U.S. 322 in Perry County, northwest of
Harrisburg. (AP Photo/Pat Little)
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2002 Efforts

• Complete Phase I
• High Volume
• more hose
• rope relay
• Basal Bark
• Begin Phase II
• Low Volume follow-up
• Evaluate Revegetation