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Notes: Light Requirements for Germination of Loblolly Pine Seeds

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Abstract:

The light requirement for germination of loblolly pine seeds can be met during stratification or germination. One hour of irradiation with light at a wavelength of 660 nm and an intensity of 600 ergs/cm²/sec fulfilled the light requirements for germination of seeds stratified for 28 days. Fifteen minutes of the same light at an intensity of 2000 ergs/cm²/sec was adequate when the stratification period was only 15 days. Exposure of seeds to light during stratification neither hastened nor increased germination in light. Forest Sci. 17:285-286.

Keywords: Pinus taeda; seed germination

Document Type: News

Affiliations: Principal Silviculturist, Timber Management Research, Southern Forest Exp Sta., USDA Forest Service, Pineville, La.

Publication date: 1971-09-01

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.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 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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