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Revista Colombiana de Ciencias Hortícolas

versión impresa ISSN 2011-2173

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VERDI, ROVIER et al. Effects of the phenological stage, cutting type and plant growth regulators on propagation with stem cuttings of Poiretia latifolia Vogel, a Brazilian native medicinal plant. rev.colomb.cienc.hortic. [online]. 2020, vol.14, n.2, pp.267-274.  Epub 11-Nov-2022. ISSN 2011-2173.  https://doi.org/10.17584/rcch.2020v14i2.10917.

Poiretia latifolia Vogel has bioactive potential that includes antibiotic properties for humans. The aim of this research was to develop an efficient method for the vegetative propagation of P. latifolia with cuttings to aid the selection and multiplication of interesting genotypes. In the first experiment, the cuttings were collected in vegetative and reproductive stages and treated with six plant growth regulators and distilled water. In the second experiment, the treatments consisted of cuttings from the apical, median, and basal branch segments. The treatment that immersed cuttings in 4,000 mg L-1 of IBA provided a greater number and length of the roots, while the high dilution of Calcarea phosphorica at 20CH produced longer branches. The cuttings from the middle and basal part of the branches were more viable. 79.17% rooting of the cuttings was achieved with Calcarea phosphorica 20CH. The vegetative propagation employed in this study is a feasible option for the domestication, preservation, and cultivation of Poiretia latifolia.

Palabras clave : auxin; high dilution; erva-de-touro; domestication.

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