RT Journal Article SR Electronic T1 Branch Failures: A Closer Look at Crack Drying JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 11 OP 12 DO 10.48044/jauf.1989.003 VO 15 IS 1 A1 Shigo, Alex L. YR 1989 UL http://auf.isa-arbor.com/content/15/1/11.abstract AB Branch failures are major causes of damage to property and power lines and of injury to people. The purposes of this paper are to discuss briefly the different ways branches fail, and to present a hypothesis that crack drying may lead to branch failure.