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Figure 1. Root elongation rates of 2-week-old seedlings of (A) Pinusnote SE, (0.012--5 pinea and (B) Pinus pinaster grown for 4 weeks in a range of CuSO4µM, 0.012 µM = control) concentrations
Table 1. Main root length, average lateral root length and lateral root index (number of roots cm−seedlings exposed for 4 weeks to nutrient solutions containing 0.012 (control), 0.1, 1 or 5 are significantly different (1 root length) of Pinus pinea and Pin
Table 4. Thickness (µm) of the whole root and the cortex and centralcylinder measured 7 mm above the root tip in Pinus pinea and Pinuspinaster seedlings exposed for 4 weeks to nutrient solutions contain-ing 0.012 (control) or 1 µM CuSO4

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