Determining the age of blister rust infection on sugar pine
By: James W. Kimmey
Contributors: California Forest and Range Experiment Station
Series: Research note / California Forest and Range Experiment Station -- no. 91; Research note (California Forest and Range Experiment Station) -- no. 91.
Publisher: California Forest and Range Experiment Station
Published: 1954
Place of publication: Berkeley, Calif
Language: eng
Subjects: Diseases and pests; Sugar pine; Blister rust
Notes: Caption title.

"August 16, 1954."