The Origin and Spread of White Pine Blister Rust
by Kim E. Hummer

Author: Kim E. Hummer - September 1999 Email: khummer@ars-grin.gov Home Page: http://www.ars-grin.gov/cor   Table of Contents White Pine Blister Rust White Pine Blister Rust Timeline White Pine Species Distribution White Pine Blister Rust Origin and Distribution White Pine Blister Rust Origin and Dispersal White Pine Blister Rust Origin and Dispersal White Pine Blister Rust Timeline White Pine Blister Rust Timeline White Pine Blister Rust Origin and Distribution White Pine Blister Rust Origin and Distribution White Pine Blister Rust infected pines White Pine Blister Rust Timeline

White Pine Blister Rust Origin and Dispersal White Pine Species Distribution White Pine Species Distribution White Pine Species Distribution Introduction of White Pine Blister Rust 1910 Spread of White Pine Blister Rust 1920 Spread of White Pine Blister Rust 1930 Spread of White Pine Blister Rust 1940 Spread of White Pine Blister Rust 1950 Spread of White Pine Blister Rust 1960 Spread of White Pine Blister Rust 1970s Spread of White Pine Blister Rust 1980s Spread of White Pine Blister Rust 1990s Spread of White Pine Blister Rust 1990s White Pine Blister Rust Origin and Distribution WPBR on Sugar Pine seedling WPBR on ‘Ben Alder’ black currant