RT Journal Article SR Electronic T1 Use of Tree Growth Regulators at Potomac Edison JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 65 OP 69 DO 10.48044/jauf.1987.011 VO 13 IS 3 A1 Watson, M. R. YR 1987 UL http://auf.isa-arbor.com/content/13/3/65.abstract AB A production tree growth regulator program was initiated at Potomac Edison in July 1986. The decision to implement the program was based on information gathered in a research project. The project results show that injection time is a function of tree species and season of year. Results of injection vary with season of year and tree species.