Susceptibility to Blister Rust of the Two Principal Ribes Associates of Sugar Pine

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Abstract:

The white pine blister rust has not yet been discovered in California--the main range of sugar pine. Ribes (currants and gooseberries) are the alternate hosts of this important and destructive forest tree disease. There are two principal Ribes associates of the sugar pine. In the formulation of any sound control program to combat the rust, information concerning the ability of these two Ribes species to harbor and spread the disease is essential. To secure this information, a large number of these plants were imported into British Columbia where they might be tested under heavy rust-infection conditions. Results of the tests, which, were conducted over a period of three years, show that both of these California Ribes are high in susceptibility to the blister rust.

Document Type: Journal Article

Affiliations: Assistant Pathologist, Division of Forest Pathology, U. S. Bureau of Plant Industry, Portland, Ore.

Publication date: January 1, 1933

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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