Fig 5. The fraction of photon energy absorbed by PSII antennae (P), the thermally dissipated portion (D), and the fraction of photonic energy absorbed by PSII antennae and trapped by “closed” PSII reaction centers (E) of cucumber seedlings under different concentrations (0, 25, 50, 100, and 200 μg kg-1) of the herbicide bensulfuron-methyl (BSM) in soil.
