Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

USFS Logo Research Data Archive
Catkins on Populus wislizenii

imageID: 17358
Description: Catkins on Populus wislizenii
Keywords: catkins
forest pathology
Organisms: cottonwood
Original collection id: 1389
Media: B&W photograph 3 x 4 in. and glass plate
Collection: RMRS Archive Images
Quality: 3
Date(mm/dd/yyyy): 6/11/1915
Comments: Sat. salt solution spraying. Shows injury to twigs from spraying. Twigs killed back 1-2 seasons growth. This injury is evident on many twigs where the spray covered thouroughly the branch and killed all the catkins. Where all the catkins were not killed the branches were [?] less injured. Spraying done April 24, 1915.
Citation: Use of this image is governed by Creative Commons CC BY. If you use the image, please include the following citation:

USDA Forest Service. 2007. Forest Service Research Image Library. Fort Collins, CO: Forest Service Research Data Archive. https://www.fs.usda.gov/rds/imagedb


Your help is appreciated. If you see an image that has any inaccuracy please send a note to the Archive team. Thank you!