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Lamellation in the S2 layer of softwood tracheids as demonstrated by scanning transmission electron microscopy

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Summary

Ultrathin cross sections of the tracheid wall in black spruce and silver fir have been examined at high resolution by scanning transmission electron microscopy (STEM) and by conventional transmission electron microscopy (TEM). For both softwoods, lamellation of the S2 layer was evident but the lamellae were seen more clearly in the STEM photomicrographs. The interlamellar distance was 7.1 nm in the case of spruce and 8.4 nm for silver fir.

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Authors and Affiliations

  1. Centre de Recherche sur les Macromolécules Végétales CNRS, Domaine Universitaire, Grenoble, France

    K. Ruel & F. Barnoud

  2. Pulp and Paper Research Institute of Canada, Pointe Claire, Quebec, Canada

    D. A. I. Goring

Authors
  1. K. Ruel
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  2. F. Barnoud
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  3. D. A. I. Goring
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Ruel, K., Barnoud, F. & Goring, D.A.I. Lamellation in the S2 layer of softwood tracheids as demonstrated by scanning transmission electron microscopy. Wood Sci. Technol. 12, 287–291 (1978). https://doi.org/10.1007/BF00351930

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  • DOI: https://doi.org/10.1007/BF00351930

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