Skip to page content
USDA Forest Service
  
Treesearch

Research & Development Treesearch

 
Treesearch Home
About Treesearch
Contact Us
Research & Development
Forest Products Lab
International Institute of Tropical Forestry
Northern
Pacific Northwest
Pacific Southwest
Rocky Mountain
Southern Research Station
Help
 

Science.gov - We Participate


USA.gov  Government Made Easy


Global Forest Information Service

US Forest Service
P.O. Box 96090
Washington, D.C.
20090-6090

(202) 205-8333

You are here: Home / Search / Publication Information
Bookmark and Share

Publication Information

View PDF (750 KB bytes)

Title: Crossing the western pines at Placerville, California

Author: Critchfield, W. B.; Krugman, S. L.;

Date: 1967

Source: University of Washington Arboretum Bulletin, Seattle, Volume XXX No.4, Winter 1967

Publication Series: Miscellaneous Publication

Description: The results of hybridizing the western pine species by the Institute of Forest Genetics are described and discussed. It has been found that the hard, (yellow) pines can generally be crossed successfully only with similar species native to the same part of the world. In contrast, the soft (white) pines of the Western Hemisphere have been crossed successfully with soft pines of the Eastern Hemisphere. The hybrids produced by the Institute have been found to have value in both the field of forestry and in improving mans environment.

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

XML: View XML

Citation:


Critchfield, W. B.; Krugman, S. L. 1967. Crossing the western pines at Placerville, California. University of Washington Arboretum Bulletin, Seattle, Volume XXX No.4, Winter 1967

 


 [ Get Acrobat ]  Get the latest version of the Adobe Acrobat reader or Acrobat Reader for Windows with Search and Accessibility

USDA logo which links to the department's national site. Forest Service logo which links to the agency's national site.