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Articles

EFFECTS OF ROOTING MEDIA, INDOLBUTYRIC ACID AND FERTILIZATION ON THE ROOTING OF ROSE (ROSA SP. ‘DALAS’) LEAFY CUTTINGS

Article number
482_50
Pages
339 – 344
Language
Abstract
The objectives of this study were to evaluate the effects of rooting media (vermiculite, carbonized rice bark, fenolic spume and sand), presence of IBA (indole-3-butyric acid) and presence of fertilization during the rooting of rose (Rosa sp.) leafy cuttings, Dalas cultivar.
This investigation was carried out in Jaboticabal (São Paulo State – Brazil) during the period of March to April 1997. The experimental design was a randomized block in a factorial arrangement.
It consisted of 16 treatments (the 4 rooting media combined with IBA concentrated solutions – 0 and 1.000 ppm and fertilizer – 0 and commercial product with macro and micronutrients, applied weekly) with 3 replicates.
The evaluations were 30 days after cuttings showed that the best rooting percentage occurs in sand (98%), followed by vermiculite (90%) and fenolic spume (87%) and cuttings treated with IBA (95%), while the fertilization showed no promoting effects.
The number of cuttings roots wasn’t affected with rooting media or IBA treatment, while the fertilization showed effective.

Publication
Authors
K.F.L. Pivetta, A.G. Martins, F.K. Ruffini, L.R. Ledra
Keywords
auxin, mist
Full text
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