ISHS Acta Horticulturae 316: International Workshop on Intensive Cultivation of Protea
EFFECT OF GIBBERELLIC ACID ON SHOOT GROWTH OF LEUCOSPERMUM R.BR. |
| Authors: | Daniel G. Malan, G. Jacobs |
| Abstract:
The commercial value of a hybrid Leucospermum selection (probably a cross between L. conocarpodendron x L. cordifolium) is limited due to inherently short flower stems. A single spray with gibberellic acid (GA3) at 500 mg.dm-3 10 to 12 weeks after pruning, when new axillary shoots were 100 to 170 mm long, resulted in marked increase in the number of shoots longer than 30 cm, as compared to the control plants. | |
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