Step 3 - Drilling the Holes
• Use a sharp, high helix drill bit (change every
5 trees)
• Drill perpendicular to the surface of the flare
• Drill one inch past the bark
• Drill at slow speeds and do not excessively spin the
bit in the hole
• Use 1 to 1-1/2 infusion sites (in the root flare) per
diameter inch (measured at breast height)
• Place at least one infusion site on each root flare
Do not place infusion sites into
or below dead tissue
Do not drill into deep valleys or sunken areas
Begin filling the reservoir with water while drilling the
holes
Step 4 - Inserting the tees
• The current year xylem are the only vessels that will
take up the solution
• Make sure your tee is properly positioned to deliver
the Arbotect there
• Check each tee to be sure it is not plugged and replace
any that are badly damaged
• Firmly insert tees by hand and very lightly tap each
tee to set it
• Attach tubing from solution reservoir to feed into
the harness in 2 locations
• These 2 sites should be on opposite sides of tree
Plugged tees will prevent that
portion of the xylem from receiving chemical
The only vascular tissue that conducts water is the current
year's xylem
 Insert infusion tees and hook up tubing harness to pump.
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Make sure the Macro - Infusion tee is delivering solution to the current year's xylem.This is the only water conducting tissue that will take up solution. |
Step 5 - Starting the infusion
• Pull out 2 tees on opposite sides of the tree
• Prime the pump (if it is not self-priming)
• Turn on the pump and bleed the air out of the line
• With all air out of harness, re-insert the 2 tees and
check for leaks
• Adjust the pressure to15-20 psi
• Lightly tap any leaking tees
Increasing the pressure will
not make the infusion go faster
If a tee persists in leaking, drill a new hole
Use a very small hammer to tap leaking tees - this helps prevent
driving them in too far
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