ISHS Acta Horticulturae 331: WOCMAP I - Medicinal and Aromatic Plants Conference: part 3 of 4
PROPAGATION OF SEVERAL ILEX SPP. BY CUTTINGS |
| Authors: | R. Magherini, S. Nin |
| Abstract:
Experiments were conduced to test the effect of indolebutyric acid on the rooting of Ilex cuttings. Semi-hardwood cuttings, 10-15 cm long, were collected in September from 19 cultivars belonging to 6 different Ilex species and hybrids. Cuttings were treated with different concentrations (0, 6000 and 10000 ppm) of IBA and rooted in a agriperlite substrate under intermittent mist conditions. The experiment was repeated anticipating the collection time in July. Rooted cuttings were planted in plastic containers to assess survival rate. With very few exceptions, untreated cuttings failed to root, or rooted very little; IBA treatment induced rooting of most, independently of hormone concentration. With earlier collection time rooting percentage increased. IBA did not influence percentage of rooted cuttings, but improved mean root number, which affected survavibility in nursery plantings. | |
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