Companies that sell microinjection products usually require training prior to use of their products. The J. J. Mauget Company, forexample, requires a one-day training program before sale of any of their products. In addition, microinjection capsules have to be applied in strict adherance to the guidelines of the manufacturers. An incorrect diagnosis will li kely result in the use of an ineffective material. The microinjection wound is a frequent source of concern.
Most trees are strong compartmentalizers and close injection wounds very quickly.
However, some trees are weak compartmentilizers and should not be injected. Use sharp drill bits and change bits often 2. Use care in placing and removing microinjection capsules 3. Sterilize drill bits between trees 4. Avoid injection of trees with weak wound responses 5.