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Ciência Rural

Print version ISSN 0103-8478

Abstract

CHAGAS, Jorge Henrique; PEREIRA PINTO, José Eduardo Brasil; BERTOLUCCI, Suzan Kelly Vilela  and  NALON, Felipe Hébia. Scion production of mint in function of age and different types of cutting. Cienc. Rural [online]. 2008, vol.38, n.8, pp. 2157-2163. ISSN 0103-8478.  http://dx.doi.org/10.1590/S0103-84782008000800011.

The objective of this research was to verify the influence of different age and types of cuttings in the production of scion of Mentha arvensis L. Four different types of cuttings were evaluated: apical and medium cuttings (from aerial part); tip and medium cuttings (from rhizome part). The different types of cuttings were evaluated at 25 and 40 days of age. The cuttings used had 4-5cm long and covered with Plantmax® substrate to a depth of 2/3. Two rooting periods (25 and 40 days) from the different types of cuttings were evaluated: height, shoots number, aerial and roots dry biomass and percentage of mortality. The cuttings after the rooting period were transplanted to bed and pots. The mortality and the aerial part, roots and rhizome dry biomass were determined 30 days after being cultivated. The results showed that apical cuttings from aerial part at 25 and 40 days after being planted in trays had higher rooting, aerial part development and low mortality. At 25 days the aerial part developed and the scion was ready to be transplanted to field. Thirty days after transplanted apical cuttings from aerial part showed a higher growth, except for rhizome dry biomass.

Keywords : Mentha arvensis L.; medicinal plant; cutting; vegetative propagation.

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