Figure 4From: “Rhizoponics”: a novel hydroponic rhizotron for root system analyses on mature Arabidopsis thaliana plants Effect of cadmium on global root and shoot measurements. A. Projected root surface. B. Projected rosette surface. C. Number of visible rosette leaves. D. Root weight measured 18 days after start of treatment. Stars indicate a significant difference between treatments (t-test, p-value < 0.05, n = 10).Back to article page