A lot of homeowners get arborists to spray the trees to control pests and insects and tree diseases due to those. Some of them also get trunk injections and soil injections done. These techniques, while helpful has to be monitored very carefully by experts who are certified and also who have extensive experience in spraying. There is specialized equipment used for tree spraying which has to be handled in a professional manner.
Preventive Tree Spray An example of a preventative tree spray is when an arborist, or tree service, is attempting to stop damage from an insect pest or tree disease.
Curative Tree Spray Curative tree sprays are done after the tree pest is already present. If an insect pest has already started feeding on your trees or shrubs a curative tree spray can stop the insect pest from causing too much damage.
We use two natural indicators to determine when various insect pests will become active: Growing Degree Days and Phenological Indicators.