Evaluations of Indole Butyric Acid (IBA) for Stenting Propagation of Cut Rose at Bahir Dar conditions, Noth-western of Ethiopia

Tadele Yeshiwas Tizazu


Many of reproducers of ornamental plants use auxin to root cuttings of the plants..Their effects are however influenced by environmental conditions, types of plants, the rooting media and the concentrations used. This research was therefore mainly conducted to evaluate the effects of IBA concentrations viz 0ppm, 1000ppm, 1500ppm, 2000ppm, 2500ppm, and 3000ppm on growth and development of stenting-propagated roses under the environmental conditions of Bahir Dar which is not yet reported in Ethiopia. Natal Break and Acpinc varieties were used as rootstock and scion respectively. Stenting-propagated rose cuttings were treated with quick dip method in solutions containing the respective IBA-concentrations. After air drying, six stem cuttings were planted in pots (90x150mm) that were filled with coco peat as rooting medium. The experiment was laid down in completely randomized design with four replications in the propagation house of Tana Flora PLC. The results revealed that treating of the cuttings with IBA promoted the growth and development of both root and shoot system of stenting-propagated rose cuttings. The performance of rose cuttings treated with 1500 ppm of IBA was however the best in all growth parameters which can be recommended for the study area.

Keywords: auxin, hormone, rose cuttings, rooting, plant height, fresh weight

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ISSN (Paper)2224-3208 ISSN (Online)2225-093X

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