IBA had marked effect on the induction and growth of roots. The roots could grow well and the aerial plantlets grew luxuriantly with the treatment of IBA 3.0 mg/L which was ideal concentration for the rooting of Spathiphyllum floribundum cv. Cupid .

• IBA对根的诱导和生长有显著效果；IBA 3.；0 mg/L处理不仅根生长良好；且地上部小植物体生长旺盛；是白鹤芋组织培养中发根的理想浓度;