Effect of auxin type and level on A. percent rooting (PR), B. mean number of roots per cutting (MNR) and C. mean root length (MRL). Mean separations are indicated by a - d as determined by Tukey's test (p = 0.05), error bars as standard error. Abbreviations: indole-3-butyric acid (IBA), naphthalene acetic acid (NAA), parts per million (ppm).