Research Article

Polyamine-Induced Rapid Root Abscission in Azolla pinnata

Figure 2

Effect of polyamines on root abscission in A. pinnata. Root abscission is represented as % of the initial number of roots following addition of individual polyamines at time zero. (a) Experiments in the presence of varying concentration of putrescine (0.5, 3 and 5 mM ( 𝑛 = 5 ) and 2 mM ( 𝑛 = 1 8 )); (b) in the presence of varying concentration of spermidine (0.5 mM ( 𝑛 = 5 ); 2 mM ( 𝑛 = 1 7 ), 3 and 5 mM ( 𝑛 = 3 )); (c) in the varying concentration of spermine (0.5, 3 and 5 mM ( 𝑛 = 3 ) and 2 mM ( 𝑛 = 1 9 )). The standard error bars are only shown where larger than the symbols used. Assays were conducted in 10 mM potassium phosphate solution (pH 7).
493209.fig.002a
(a) Put (mM)
493209.fig.002b
(b) Spd (mM)
493209.fig.002c
(c) Spm (mM)