Figure 2From: Nanoparticle biofabrication using English ivy (Hedera helix)H . helix adventitious root production by weight (g) treated with either A. high levels of IBA ([0–6 mg/ml]) for 4 h or B. low levels of IBA ([0–0.6 mg/ml]) for 16 h. Error bars represent 95% confidence intervals using least significant differences (P<0.05).Back to article page