New Zealand Journal of Botany abstracts

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Stomatal responses to humidity in Nothofagus menziesii

Ch. KORNER

Institut fur Botanik
Universitat Innsbruck
Sternwartestrasse 15
A-6020 Innsbruck
Austria

P. BANNISTER

Department of Botany
University of Otago
P.O. Box 56, Dunedin
New Zealand

Abstract The diffusive conductance of leaves of Nothofagus menziesii was found to be very sensi- tive to ambient humidity with stomatal closure commencing at vapour pressure deficits of between 0.5 and 1.0 kPa. Responses were more rapid in leaves from trees growing in humid locations than in those from dry sites.

Keywords Stomata; leaf conductance; humid- ity; vapour pressure; Nothofagus menziesii; ever- green forest; New Zealand flora

Received 8 March 1985; accepted 6 May 1985
New Zealand Journal of Botany, 1985, Vol. 23 : 425-429
OO28-825X/85/23O3-O425$2.5O/O © Crown copyright 1985

PDF file of entire paper: medium quality (315K); (scanned from paper original: notes about this process)

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