Cedar apple rust teliohorns emerging in early spring rain 3 April 2009 By David Rosenberger | Published 2 May 2016 | Full size is 1200 × 806 pixels Stem-rust-on-Delblush-19May2005-1g8ae9h Fully extruded teliohorns of cedar apple rust on cedar Cedar apple rust teliohorns emerging in early spring rain 3 April 2009 Bookmark the permalink.