Vegetative propagation of Colutea istria Mill. from leafy stem cuttings

Authors: de Andrés, E.F.1; Sánchez, F.J.2; Catalán, G.3; Tenorio, J.L.3; Ayerbe, L.4

Source: Agroforestry Systems, Volume 63, Number 1, 2005 , pp. 7-14(8)

Publisher: Springer

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Abstract:

This study investigates the optimal conditions for the vegetative propagation of the multipurpose leguminous shrub Colutea istria from leafy stem cuttings. The conditions examined included 1) the origin of the cutting (apical, medial or basal), 2) indole-3-butyric acid (IBA) treatment (0, 50, 200 or 400 mg/l), 3) the relative humidity of the propagation environment (high or low), 4) wounding base of cutting, and 5) the season in which the cutting was taken. The rooting ability of the cuttings was significantly influenced by all these factors. Winter cuttings obtained from the middle and base of the branch showed a greater rooting capacity than those harvested from the apical area, while autumn cuttings harvested from the middle and apical areas of the branch showed a greater rooting capacity than those harvested from the base. Winter cuttings showed the best rooting capacity than autumn cuttings. IBA treatment (200 mg/l), high humidity (98-100%), and wounding increased the rooting capacity of the cuttings. The sprout of new leaves was higher in basal cuttings, while IBA and wounding also significantly enhanced the root number of rooted cuttings. A method for vegetatively propagating C. istria plants is given.

Keywords: Adventitious rooting; Collection season; Cutting origin; IBA; Semiarid climate; Wound

Document Type: Research Article

DOI: http://dx.doi.org/10.1023/B:AGFO.0000049428.12140.af

Affiliations: 1: I.N.I.A., Dpto. Medio Ambiente, Finca “La Canaleja”, Apdo. 1045, 28800-Alcalá de Henares, Madrid, Spain ((phone: 34918892943; )), Fax: 34918828124, Email: parlorio@inia.es 2: Instituto Madrileño de Investigación Agraria y Alimentaria (IMIA), Dpto. Investigación Agraria, Apdo. 127, 28800-Alcalá de Henares, Madrid, Spain 3: I.N.I.A., Dpto. Medio Ambiente, Finca “La Canaleja”, Apdo. 1045, 28800-Alcalá de Henares, Madrid, Spain 4: I.N.I.A., Centro de Recursos Fitogenéticos, Finca “La Canaleja”, Apdo. 1045, 28800-Alcalá de Henares, Madrid, Spain

Publication date: January 1, 2005

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