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Inducción de enraizamiento en estacas de Berberidopsis corallina con ácido indolbutírico

DOI: 10.4067/S0717-92002008000300006

Keywords: berberidopsis corallina, iba, semi ligneus cuttings.

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Abstract:

berberidopsis corallina is an endemic species from chile, presenting conservation problems and being catalogued as “endangered” species. its persistent diminution is associated to cutting and competition with eucalyptus spp. and pinus radiata. the objective of the present work was to contribute in the management for the recovery of this species through the evaluation of its reproductive capacity by means of propagation by cuttings. for vegetative propagation, semi-woody cuttings were collected during march of 2007 in villa las araucarias, region of la araucanía. the collected cuttings were treated with indolbutyric acid (iba) at different concentrations (0, 500, 1,000 and 1,500 mgl-1) as rooting stimulator. after five months of maintenance of cuttings in a bottom heating, an 87% of total rooting was obtained. the best result concerning the process of rizogenesis was shown by 1,000 mg l-1 iba with a 90% of rooting. besides, the highest average of root length was found in this same treatment with an average of 13.6 cm. the greatest number of roots was obtained in 1,500 mgl-1 treatment with a value average of 38.1 roots by cuttings. it is concludes that b. corallina can be vegetatively reproduced through the rizogenesis of cuttings treated with iba, as a practice to contribute to the recovery of this species.

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