Fig. 5. Cedar apple rust gall on cedar showing teliohorns that develop during rains. By Kostina | Published 6 Dec 2013 | Full size is 775 × 848 pixels Fig. 4. Rust-induced leaf spots on an apple cultivar that is resistant to cedar apple rust. Fig. 6. Quince rust canker on cedar as seen during a rain. Fig. 5. Cedar apple rust gall on cedar showing teliohorns that develop during rains. Bookmark the permalink.