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- Title
Vegetative propagation of Colutea arborescens L., a multipurpose leguminous shrub of semiarid climates
- Authors
de Andres, E. F.; Alegre, J.; Manzanares, M.; Ayerbe, L.; Sanchez, F. J.; Tenorio, J. L.
- Abstract
The vegetative propagation of the multipurpose leguminous shrub Colutea arborescens from leafless hardwood cuttings was examined. Specific attention was paid to the factors: 1) cutting origin (apical, medial or basal); 2) indole-3-butyric acid (IBA) treatment (0, 50 or 200 ppm); and 3) relative humidity of the propagation environment (high orlow humidity). After 120 days, 67.6% of the C. arborescens cuttings had rooted. The rooting ability of the cuttings was significantly influenced by the cutting origin and hormonal treatment. No effects on rooting percentage were shown by the relative humidity of the propagation environment. The best rooting response (95%) was shown by basal cuttings treated with 200 ppm IBA. Cutting origin, IBA treatment and relative humidity were significantly related to the root number, longest root length and the fresh/dry biomass of roots and leaves. Under conditions of high humidity, basal cuttings treated with 200 ppm IBA gave rise to the most highly developed plants. The positive relationship between sprouting and rooting suggests that successful propagationis related to the shoot formation potential of the cutting's food reserves. These findings were used to propose an efficient method for the vegetative propagation of C. arborescens plants.
- Subjects
FORESTS &; forestry; VEGETATIVE propagation; BOTANY
- Publication
Agroforestry Systems, 1999, Vol 46, Issue 2, p113
- ISSN
0167-4366
- Publication type
Article
- DOI
10.1023/A:1006234909144