Table 4 Concentration of elements in seeds of wild type Arabidopsis (Col 0) analysed in batches of 1 mg (~50 seeds) or 20 mg (~1000 seeds).

1 mg

20 mg

Concentration

μg g ^-1

%

Concentration

μg g ^-1

%

Mg

2301 ± 23

1

2638 ± 33

1

P

5987 ± 64

1

7258 ± 136

2

S

8799 ± 478

5

6084 ± 135

2

K

9817 ± 59

1

10946 ± 288

3

Ca

5069 ± 83

2

5736 ± 112

2

Mn

37 ± 1

3

43 ± 0.7

2

Fe

84 ± 3.7

4

75 ± 2

3

Cu

5.3 ± 0.2

3

5.6 ± 0.1

2

Zn

39 ± 1

3

47 ± 0.9

2

Mo

2.0 ± 0.02

1

2.0 ± 0.06

3

Cd

0.1 ± 0.004

3

0.1 ± 0.002

2