ISHS Acta Horticulturae 314: II International Symposium on Propagation of Ornamental Plants
FACTORS AFFECTING ROOTING OF COLEONEMA ASPALATHOIDES CUTTINGS |
| Authors: | A. Heller, A. Borochov, A.H. Halevy |
| Abstract:
The following factors were found to affect rooting in Coleonema aspalathoides: cutting type, IBA concentration and duration of exposure in a drenching solution, and shading treatment of stock plants. The best rooting resulted from soft cuttings which were hormonally treated with 250 ppm IBA for a 4h period. Shading of stock plants also improved rooting ability. Coleonema aspalathoides' rooting ability is seasonal and was found to decrease during the plant's natural flowering season. Under controlled environmental conditions, rooting ability declined as the plant approached peak flowering. Cuttings taken from stock plants exposed to completely inductive conditions (SD, 12/17°C night/day) exhibited lower rooting ability than those taken from stock plants grown under semi-inductive conditions (LD, 12/17 °C night/day). | |
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