RT Journal Article SR Electronic T1 Insects have Defoliated My Tree—now What’s Going to Happen? JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 169 OP 175 DO 10.48044/jauf.1978.040 VO 4 IS 8 A1 Wargo, Philip M. YR 1978 UL http://auf.isa-arbor.com/content/4/8/169.abstract AB The effects of defoliation are not dependent on defoliation alone but on a complex interaction of many factors. The major influencing factors of severity, frequency, and timing of defoliation, growing conditions, secondary organisms, and tree vigor are discussed. Some of the adverse effects of defoliation are described and recommendations for preventing or lessening these effects are given.