Abstract

Offset stem cuttings of Hosta sieboldiana at different stages of development (SOD) were removed from mother plants previously treated with BA; half of the cuttings at each SOD were treated with 1000 ppm IBA prior to placing under intermittent mist. Rooting percentages, primary and secondary root counts, root lengths, root rating, root dry weights, and final shoot SOD were greater for cuttings removed at a more advanced SOD. Rooting was greater than 85% for cuttings with 3 unfurled leaves, the most advanced SOD in this study. Treatment of cuttings with IBA increased primary root counts by 35%, but did not affect other measured characteristics.