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Effect of Indolebutyric Acid, Indoleacetic Acid, and Alpha Naphthalene-Acetic Acid on Rooting of Cuttings of Douglas Fir and Sitka Spruce

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It has now been demonstrated conclusively that a certain group of chemicals produce profound physiologic responses in plants. One of the more important of these responses, as far as foresters are concerned, is the formation of roots by cutting. The author has found that as high as 80 percent of the treated Douglas fir cuttings and 100 percent of the treated Sitka spruce cuttings produced roots under the conditions of the experiment.

Document Type: Journal Article

Affiliations: University of British Columbia

Publication date: 1940-06-01

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:
    Forest Science
    Other SAF Publications
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