Infiltration of leaves with various herbicides, targetting photosynthetic electron transport, were utilized to mimic changes in redox state (otherwise caused by changes in light irradiance) of photosynthetic electron transport components and study the response of APX2. This was successfully utilized in the following publication: Jung, H., Crisp, P.A., Estavillo, G.M., Cole, B., Hong, F., Mockler, T.C., Pogson, B.J., and Chory, J. (2013). Subset of heat-shock transcription factors required for the early response of Arabidopsis to excess light. Proc. Natl. Acad. Sci. 110: 14474–14479.