Table II.
Solute composition of S-cells in flower stalk Arabidopsis plants grown at 120 and 350 μmol photons m−2 s−1
Parameter | Light Intensity
|
|
---|---|---|
120 μmol Photons m−2 s−1 | 350 μmol Photons m−2 s−1 | |
average ± sd (n samples, n plants) | ||
Osmotic pressure | 407 ± 51 (6, 3) | 424 ± 67 (4, 3) |
Suc | <1 (6, 3) | – |
Glc | 10 ± 12 (6, 3) | 33 ± 19 (7, 4) |
Fru | n.d.a (6, 3) | – |
Glucosinolates | – | 146 ± 58 (7, 4) |
S | 227 ± 47 (6, 3) | 348 ± 86 (3, 3) |
K | 212 ± 45 (6, 3) | 291 ± 52 (3, 3) |
Ca | 14 ± 12 (6, 3) | – |
Cl | n.d. (6, 3) | – |
P | 23 ± 18 (6, 3) | – |
Osmotic pressure values are given as mOsmol kg−1 and concentrations of solutes and elements as mm.
n.d., Not detected.