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Background: Grapes are mostly propagated by hardwood cutting. Most of the time, auxin (Indole Butyric Acid) is used in liquid form. There are some problems associated with using auxin in liquid form viz. cell sap may exude from cutting end on dipping in solution that may lead to contamination, every time auxin solution should be freshly prepared etc. In order to address these problems, auxin hormone is used in powder form by using Talcum powder. Methods: In the present investigation, rooting powders containing different concentration of auxin were tried for root induction behavior. Approximately 15-20 cm long and 1-1.5 cm thick hardwood cuttings of grapes were taken. Result: The results indicates that grape cuttings treated with Indole Butyric Acid @ 3000 ppm in powder form was found to be best for root induction behavior. However, in most of the cases observations were at par with Indole Butyric Acid @ 2000 ppm (powder form) and with treatment @ 2000 ppm in liquid form but if we consider other benefits like long shelf life, no contamination etc. It can be concluded the rooting hormone in powder form should be considered better alternative to liquid form for root induction.

Study of IBA Containing Rooting Powder on Root Induction Behavior of Hardwood Cutting of Grape (Vitis vinifera L.)