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Vegetative propagation and early growth of Lippia origanoides (alecrim-de-tabuleiro)

Lippia origanoides (alecrim-de-tabuleiro) is a promising medicinal aromatic shrub, no studies are available about propagation and cultivation. This work aimed to evaluate the influence of different substrates and indolbutiric acid (IBA) levels on the propagation of apical cuttings of this species. Five IBA levels (0; 62.5; 125; 250 and 500 mg/L) and three substrates were evaluated: Biomix(r) (commercial substrate); expanded vermiculite and Biomix + expanded vermiculite (1:1). Experimental design was completely randomized in split plots, with substrates as plots and IBA levels as subplots. Rooting occurred independently of the exogenous application of IBA and the type of substrate. The Biomix and expanded vermiculite (1:1) mix showed higher production of leaves, roots and dry weight. The application of small doses of IBA improved growth of seedlings. It is possible to produce alecrim-de-tabuleiro seedlings using apical cuttings. Apical cutting cultivation on Biomix and expanded vermiculite (1:1) mix promoted better root development and early shoots growth and was the most recommended substrate for the propagation of this species.

Verbenaceae; cutting; medicinal and aromatic plant.

Associação Brasileira de Horticultura Embrapa Hortaliças, C. Postal 218, 70275-970 Brasília-DF, Tel. (61) 3385 9099, Tel. (81) 3320 6064, - Vitoria da Conquista - BA - Brazil