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Notes: Accelerated Growth for Early Testing of Spruce Seedlings

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A method is described for accelerating juvenile growth and development of trees for early progeny evaluation and plantation establishment. Blue spruce (Picea pungens Engelm.) and Engelmann spruce (Picea engelmannii Parry) seedlings were grown in the greenhouse under controlled conditions of temperature, nutrient levels, water, and continuous light. The seedlings were ready for outplanting in permanent genetic test plantations after 8 months in contrast to the usual period of several years. The seedlings attained heights of up to 38 cm with a mean of 22 cm, had well developed root systems, and had a greater than 90-percent survival after the first winter. Forest Sci. 18:92-94.

Keywords: Blue spruce; Engelmann spruce; progeny testing

Document Type: News

Affiliations: Graduate Assistant, Department of Forestry, Michigan State University. Mich. Agr. Exp. Sta

Publication date: March 1, 1972

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.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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