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Silicon concentrations in different cucumber tissues
| Treatment | Si concentration (mg g–1 d. wt) |
||
|---|---|---|---|
| Root | Stem | Leaves | |
| –Si | 4·0 ± 0·5a | 7·5 ± 1·5a | 3·4 ± 0·2a |
| +Si | 5·9 ± 0·8b | 12·0 ± 1·4b | 21·5 ± 1·8b |
Seven-day-old Fe-deprived plants were supplied with 10 μm Fe for 3 d and then transferred to Fe-free nutrient solution with or without supply of 1·5 mm Si(OH)4 for 11 d.
Data shown are means ± s.d. (n = 4).
Significant differences (P < 0·05) between treatments are indicated by different letters.
