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Ciência Rural

versão impressa ISSN 0103-8478

Resumo

FRASSETTO, Eduardo Garcia; FRANCO, Elci Terezinha Henz; KIELSE, Paula  e  AMARAL, Vanessa Fiad Martins do. Rooting of Sebastiania schottiana Müll. Arg. cuttings. Cienc. Rural [online]. 2010, vol.40, n.12, pp.2505-2509.  Epub 17-Dez-2010. ISSN 0103-8478.  https://doi.org/10.1590/S0103-84782010005000199.

The aim of this study was to verify the rooting potential of Sebastiania schottiana cuttings treated with different doses and immersion times in Orgasol® FTS (composed with amino acids and micronutrients). In a first trial, basal, median and apical cuttings had their bases immersed in Orgasol® FTS at levels of 0, 5, 10 and 15mL L-1, for 1 minute. The experimental design was in random blocks, with three replicates and 20 cuttings per plot. At 75 days, the rooted cuttings percentage, the length and diameter of the longest root were evaluated. In a second trial, basal and median cuttings were treated for 0, 15, 30 and 45 minutes in 15mL L-1 of Orgasol® FTS. The experimental design was in random blocks, with three replicates of 20 cuttings per plot. At 150 day, the rooted cuttings percentage, dry roots mass and the length and diameter of the longest root were evaluated. In the first trial, higher levels of product was beneficial to rooting, it was observed the largets rooted cuttings percentage in the treatment with 15mL L-1 of product. In second trial, the higher rooting potential was observed in the basal and median cuttings treated by 45 minutes in 15mL L-1 of product. The use of orgasol® FTS promotes adventitious roots in Sebastiania schottiana cuttings.

Palavras-chave : Sarandi; vegetative propagation; amino acids; adventitious roots; micronutrients.

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