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Notes: Improved Rooting of Western White Pine Shoots From Tissue Cultures

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Rooting of adventitious shoots of western white pine (Pinus monticola) continuously exposed to a variety of growth regulators for 6 weeks varied between 0 and 20 percent. Pulse treatment of similar shoots for 7 days with the same growth regulator treatments followed by 5 weeks culture on medium devoid of growth regulators provided 40-64 percent rooting. In paired comparisons, pulse treatments always provided better rooting percentages than did constant exposure treatments. Improved root growth and the initiation of multiple roots were also favored by pulse treatments. Forest Sci. 28:822-825.
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Keywords: Pinus monticola; pulse stimulation; root initiation and growth

Document Type: Miscellaneous

Affiliations: Professor, Department of Botany, North Carolina State University, Raleigh, NC 27650

Publication date: 1982-12-01

More about this publication?
  • 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
    Other SAF Publications
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