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Horticultura Brasileira

Print version ISSN 0102-0536

Abstract

PAULUS, Dalva et al. Mint seedlings assessment of different substrates in hydroponic cultivation. Hortic. Bras. [online]. 2005, vol.23, n.1, pp. 48-50. ISSN 0102-0536.  http://dx.doi.org/10.1590/S0102-05362005000100010.

The normal growth and the formation of plants with quality for commercialization depends on good seedlings production. The right substrate has to be used. Hydroponic cultivation holds certain advantages: saving substrate, resulting in good establishment of the crop and quality of seedlings production. The experiment was carried out at the University of Santa Maria, Rio Grande do Sul State, Brazil. The effect of substrates (without substrate, phenolic foam substrate and organicmineral substrates) was determined on the production of mint (Mentha x villosa) transplants by cuttings vegetable methods in hydroponics. The experimental design was a completely randomized design with three treatments and 20 replications, one plant being used in each repetition. We evaluated: height and number of leaves at 7; 14; 21 and 28 days after the transplant. Fresh and dry matter weight 35 days after transplant were also analyzed. The phenolic foam substrate showed the best results in relation to the production of fresh and dry matter. Phenolic foam and the organicmineral substrates were not significantly different, but were significantly superior to the treatment (direct in solution) without substrate.

Keywords : Mentha x villosa; medicinal plants; hydroponics.

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