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  1. Methodology and preliminary results of evaluating stem displacement and assessing root system architecture of longleaf pine saplings

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    Author(s): Shi-Jean S. Sung; Daniel J. Leduc; James D. Haywood; Thomas L. Eberhardt; Mary Anne Sword Sayer; Stanley J. Zarnoch
    Date: 2012
    Source: In: Butnor, John R., ed. 2012. Proceedings of the 16th biennial southern silvicultural research conference. e-Gen. Tech. Rep. SRS-156. Asheville, NC: U.S. Department of Agriculture Forest Service, Southern Research Station. 336-341.
    Publication Series: Paper (invited, offered, keynote)
    Station: Southern Research Station
    PDF: View PDF  (292.46 KB)
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    Description

    A field experiment of the effects of container cavity size and root pruning type on longleaf pine was established in November, 2004, in central Louisiana. Sapling stems were first observed to be leaning after hurricane Gustav (September, 2008) and again in August, 2009. To examine the relationship between stem displacement and root system architecture, a stem-displaced longleaf pine (sapling was paired with a nearby, non-displaced sapling of comparable size in each of the 24 treatment plots of the original experiment. Saplings were excavated in May, 2010. Here we report the methodology and preliminary results of evaluating stem displacement and assessing root system architecture in three additional longleaf pine saplings in the same experiment. One sapling became toppled in February 2010; the second sapling was toppled by wild horses in August 2009; and the third was a non-displaced sapling which was knocked down during excavation.

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    Citation

    Sung, Shi-Jean S.; Leduc, Daniel J.; Haywood, James D.; Eberhardt, Thomas L.; Sword Sayer, Mary Anne; Zarnoch, Stanley J. 2012. Methodology and preliminary results of evaluating stem displacement and assessing root system architecture of longleaf pine saplings. In: Butnor, John R., ed. 2012. Proceedings of the 16th biennial southern silvicultural research conference. e-Gen. Tech. Rep. SRS-156. Asheville, NC: U.S. Department of Agriculture Forest Service, Southern Research Station. 336-341.

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