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Idesia (Arica)

On-line version ISSN 0718-3429

Abstract

SOTOMAYOR LEON, Eugenio M; ROSAS GUERRA, Carla A  and  MAZUELA, Pilar. Vegetative propagation of (Eustoma grandiflorum RAF) cv. Abc 2-3 Blue Rim. Idesia [online]. 2016, vol.34, n.5, pp.71-73.  Epub Oct 30, 2016. ISSN 0718-3429.  http://dx.doi.org/10.4067/S0718-34292016005000030.

The growing interest in Lisianthus cultivation and the lack of available experimental data demands the study of the phenological and productive behavior of this species. One of the main concerns of the flower producer is the agronomic management and obtaining plants of this crop. The objective of this study was to evaluate the propagation technique and its effect on rooting of cuttings with different auxin concentrations. The plant material was extracted from donor plants which were thinned and topped to make them more vigorous. The first experiment used a closed system (CS) covered with transparent polyethylene, irrigating the substrate to saturation. The second experiment used a table with fogging system, with spray nozzles for irrigation. The design was randomized complete blocks; the Duncan test was used to analyze differences between means. The treatments were different concentrations of indole butyric acid (IBA): T0, control without IBA; T1, 250 ppm IBA; T2, 500ppm IBA and T3, 1000ppm IBA. The results of the CE experiment indicated that auxin application improved the rooting of cuttings, but there were no differences between treatments. In the TWF experiment the application of IBA improved the propagation; better results were produced by higher concentrations of the auxin.

Keywords : Eustoma grandiflorum; cut flowers; propagation; rooting; auxins.

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