Uptake of Metals from Soil into Vegetables - Dealing with Contaminated Sites: From Theory Towards Practical Application - page 339

Table 8.5 Concentrations of metal(loid)s in plant tissues for given concentrations of the element and other relevant conditions of the exposure solution. The
ratio of the root to shoot concentration (R/S) is calculated based on concentration in the total shoot or in the leaves (when analyzed separately)

Concentration (mg/kg dw )in

Solution
concentration
(

Other
conditions

Stem or
shoot Element μ g/L) Plant species Roots Leaves Tubers R/S References

Cd 1.1 Sand

culture

Potato
(Wilwash)

9 0.87 0.51 0.15 18 Dunbar et al.

( 2003 )

Potato
(Kennebec)

2.7 0.63 0.28 0.24 10

Cd 30 pH 4.5 Maize H96 75 0.5 150 Florijn and van

Beusichem
( 1993b )

pH 5.5 141 3.0 47

pH 6.5 210 5.9 36

30 pH 4.5 Maize B37 40 36 1.1

pH 5.5 60 55 1.1

pH 6.5 65 60 1.1

Cd 2 pH 6 Ryegrass 255 5.7 45 Hatch et al. ( 1988 )

Cocksfoot 1021 40 26

Lettuce 48 14 3.4

Watercress 346 90 3.8

Cd 14 Bean 96 2.4 2.0 49 Guo and

Marschner
( 1995 )

Rice 262 2.6 100

Curly kale 114 2.8 3.4 34

Maize 114 43 47 2.4

Ni 29 Bean 32 12 7.5 4.2

Rice 31 1.7 18

Curly kale 41 4.6 5.2 8.0

Maize 50 0.68 0.47 106