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Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/14589

Title: EX VITRO ROOTING AND ACCLIMATIZATION OF Ilex paraguariensis A. St Hil. MICROCUTTINGS
???metadata.dc.creator???: Tronco, Kenia Michele de Quadros
Bisognin, Dilson Antônio
Fleig, Frederico Dimas
Horbach, Micheli Angélica
Keywords: Substrate, phytoregulator, holly.
Publisher: CERNE
CERNE
???metadata.dc.date???: 19-Apr-2016
Other Identifiers: http://www.cerne.ufla.br/site/index.php/CERNE/article/view/1082
Description: The technique of microcutting and ex vitro rooting can result in plantlets with better quality of radicular system and larger number of secondary roots, when compared with conventional cutting. The objective of this work was to evaluate the ex vitro rooting and acclimatization of holly microcuttings in different doses of phytoregulator indole-3-butyric acid (IBA) and substrate. In the growth room were evaluated different doses of indole-3-butyric acid (0, 250, 500, 1000 and 2000 mg.L-1) and different substrates used pure (coarse sand, carbonized rice husk, vermiculite, coconut fiber and commercial substrate). In humid chamber were evaluated the same pure substrates and the following combinations of the same volume ratios: carbonized rice husk + coarse sand; carbonized rice husk + coarse sand + commercial substrate; carbonized rice husk + commercial substrate. The ex vitro rooting and acclimation of holly microcuttings can be done in the humid chamber, necessitating the use of indole-3-butyric acid at a dose of 1250 mg.L-1. The substrate composed in equal proportions of carbonized rice husk + coarse sand + commercial substrate provided a higher percentage of rooted microcuttings.
???metadata.dc.language???: eng
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