New Zealand Journal of Crop and Horticultural Science abstracts

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Indolebutryic acid and wounding induced rooting in callused, non-rooted Leyland cypress (x Cupressocyparis leylandii) stem cuttings

Heike De Silva

Forest Research, Northern Research Station
Roslin, Midlothian
EH25 9SY United Kingdom
Bruce A. McKenzie

Mark Bloomberg

Agriculture & Life Sciences Division
Lincoln University
P.O. Box 84
Lincoln, New Zealand
email: Mckenzie@lincoln.ac.nz

Abstract Callused, non-rooted Leyland cypress (¥ Cupressocyparis leylandii) stem cuttings were treated with different wounding treatments (no, single and double wound) and solutions of indolebutyric acid (IBA) (0, 5000, and 10 000 ppm). Double wound and 10 000 ppm IBA resulted in the highest percentage of rooted cuttings compared with all other treatments. Wounding had no effect on the number of primary roots produced per rooted cutting, however, cuttings treated with 10 000 ppm IBA formed significantly more roots than non-treated cuttings (4.5 and 2.6, respectively).

Keywords  Cupressocyparis leylandii; auxin; IBA; propagation; callus

New Zealand Journal of Crop and Horticultural Science, 2005, Vol. 33: 407–412
0014–0671/05/3304–0407      © The Royal Society of New Zealand 2005

H05010; Online publication date 9 November 2005
Received 2 February 2005; accepted 19 August 2005

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