PT - JOURNAL ARTICLE AU - Shigo, Alex L. TI - Branch Failures: A Closer Look at Crack Drying AID - 10.48044/jauf.1989.003 DP - 1989 Jan 01 TA - Arboriculture & Urban Forestry (AUF) PG - 11--12 VI - 15 IP - 1 4099 - http://auf.isa-arbor.com/content/15/1/11.short 4100 - http://auf.isa-arbor.com/content/15/1/11.full SO - JOA1989 Jan 01; 15 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.