New Zealand Journal of Botany abstracts

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Winter frost resistance of leaves of some plants growing in Dunedin, New Zealand, in winter 1985

PETER BANNISTER

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

Abstract The frost resistance of leaves of eleven different species of plants was measured in late July and early August 1985 when winter hardening to frost would be expected to be near its maximum. The frost resistance of the native plants was gener- ally low (-5ƒC to -8ƒC except for Hebe albicans (-10ƒC)), but similar to previous studies. The exotic species originated from warm (mediterranean to subtropical) climates and were usually at least as frost resistant as the natives; although they included the species with both the least and greatest frost resistance {Datura sanguinea (-2ƒC) and Magnolia grandiflora (-15ƒC) respectively).

Keywords frost resistance; Aristotelia; Tetra- pathaea; Leptospermum; Hebe, Phymatosoms; Magnolia; Citrus; Datura, Tradescantia, New Zealand

Received 23 December 1985; accepted 14 February 1986
New Zealand Journal of Botany, 1986, Vol. 24: 505-507
0028-825X/86/2403-0505$2.50/0 © Crown copyright 1986

PDF file of entire paper: medium quality (261K); (scanned from paper original: notes about this process)

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