Electron transport rate (ETR) of PSI and PSII.

<p>The panel A and B represents the profile of ETR(I) and ETR(II), respectively in plants at 2 d after control and TU treatments. All measurements were performed over 6 cm² area of fully expanded 2^nd leaf. The values represent mean ± SD of five independent biological replicates. The significance of mean difference (P<0.05) was evaluated on the basis of student t-test and marked with asterisk (*).