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Susceptibility of Principal Ribes of Southern Oregon to White-Pine Blister Rust

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Effective planning of the control of the white-pine blister rust in the sugar pine forests of southern Oregon requires a knowledge of the susceptibility to the rust and capacity to produce pine-infecting spores of the ribes of that region, ribes being the alternate hosts of the causal fungus. To secure this information, over 300 plants of the principal ribes of southern Oregon (8 species, one of which has 2 varieties) were placed in an experimental garden on the Mt. Hood National Forest where they were tested under heavy rust-infection conditions. Results of the tests, conducted over a period of three years, show that all these species are congenial hosts for the rust and should be eradicated as a protective measure in those areas where it is desired to maintain sugar pine forests.

Document Type: Journal Article

Affiliations: Bureau of Plant Industry, Portland, Oregon

Publication date: January 1, 1935

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.

    2015 Impact Factor: 1.476
    Ranking: 22 of 66 in forestry

    Also published by SAF:
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