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Scientia Agricola

On-line version ISSN 1678-992X


CUZZUOL, G.R.F; GALLO, L.A  and  CROCOMO, O.J. ENRAIZAMENTO DE CRAVO (Dianthus caryophyllus L.) IN VITRO E EX VITRO. Sci. agric. [online]. 1996, vol.53, n.1, pp.60-66. ISSN 1678-992X.

Plantlets of carnation (Dianthus caryophyllus L.) micropropagated through several generations during one year, were observed with respect to rooting in vitro, in the presence of IAA , NAA and IBA, at the following concentrations: 0,0; 0,25; 0,5 and 1,0 mg/l. All treatments promoted root formation, however no differences were detected in comparison to control. As far as the lenght of the aerial part is concerned no difference was observed between in vitro rooting. in the presence or absence of IAA 0,5 mg/l, and ex vitro rooting. Plantlets which were rooted in vitro conditions showed higher production of fresh matter then those rooted ex vitro. The root system had a synergistic effect on the growth of the aerial part.

Keywords : Dianthus caryophyllus; carnation; micropropagation; rooting.

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