New Zealand Journal of Crop and Horticultural Science
abstracts
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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