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Helical orientation of the microfibrils in tracheids,fibres and vessels
Authors:B. A. Meylan  B. G. Butterfield
Affiliation:(1) Physics and Engineering Laboratory, Department of Scientific and Industrial Research, Lower Hutt, N. Z.;(2) Botany Department, University of Canterbury, Christchurch, New Zealand
Abstract:
The helical winding direction of microfibrils in the S2 wall layer in the tracheids, fibres and vessel members of over 250 woody species, both indigenous and exotic, growing in New Zealand has been determined. A Z helix was observed in all the tracheids, fibres and narrower vessel members. The orientation in the wider vessel members could not always be determined with any certainty.
Keywords:
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