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Notes: Vegetative Propagation of Lodgepole Pine (Pinus contorta Dougl.) From Needle Fascicles

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Exploratory work was performed over a 2-year period to determine if needle fascicles of lodgepole pine could be easily rooted. Seedlings of 2, 4, and 6 years of age were used as stock plants. Rootability was inversely related to age of stock plant. A medium aggregate perlite proved superior to other rooting media. More cuttings rooted from December and January collections than when taken in October or March. Treatment of cuttings with Rootone, or IBA, or IBA plus kinetin or adenine seemed most beneficial. Results with IPA were erratic and of less value. The use of adenine or kinetin alone was of no value. Application of a 23-19-17 fertilizer (ΒΌ lb/100 gal water) through the mist system was detrimental. Maximum rooting with any combination of treatments was 7.5 percent (control 0.2 percent) during the first year and 20 percent (control 6.7 percent) the second year. These conclusions were based on very small numbers of rooted cuttings and should be considered tentative.
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Keywords: Rooting

Document Type: News

Affiliations: Associate Professor of Forestry and Range Management, Washington State University, Pullman

Publication date: 1969-03-01

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  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2016 Impact Factor: 1.782 (Rank 17/64 in forestry)

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
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