Exogenous Cu²⁺ Concentrations (μmol・L⁻¹)

0

5

10

20

40

Roots

1.4 ± 0.1d

20.1 ± 2.0c

24.1 ± 2.0c

55.2 ± 5.0b

135.7 ± 10.1a

Leaves

1.8 ± 0.2a

2.1± 0.2a

2.0 ± 0.2a

2.2 ± 0.2a

1.9 ± 0.2a