Uptake and Translocation of Cesium in Lettuce (Lactuca sativa L.) under Hydroponic Conditions
Table 3
Effects of exposure to the different concentrations of Na+, K+, and Ca2+ on biomass while the lettuces were cultivated in cesium concentration of 1.0 mM.
Treatment
Concentration (mM)
Leaf fresh weight (g)
Root fresh weight (g)
Leaf dry weight (g)
Root dry weight (g)
Na+
0
ab
ab
ab
bc
0.005
a
a
a
ab
0.05
c
c
b
c
0.5
ab
ab
a
a
1.0
ab
ab
a
a
5.0
ab
ab
ab
ab
10.0
b
b
ab
ab
Average
17.14
1.868
0.955
0.122
K+
0
bc
bc
cd
cd
0.005
bc
bc
bcd
bcd
0.05
c
bc
bcd
abc
0.5
c
c
d
d
1.0
b
b
abc
abc
5.0
a
a
ab
ab
10.0
a
a
a
a
Average
9.302
0.655
0.784
0.084
Ca2+
0
c
ns
d
b
0.005
c
ns
cd
b
0.05
bc
ns
bcd
ab
0.5
b
ns
ab
ab
1.0
b
ns
abc
ab
5.0
a
ns
a
a
10.0
a
ns
ab
a
Average
12.545
1.151
0.896
0.086
Values are ( individual plants). The same letters and ns indicate no significant difference at the 5% level by Tukey’s multiple range test.
