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. 2016 Sep 15;16:202. doi: 10.1186/s12870-016-0889-y

Fig. 2.

Fig. 2

Levels of H2O2 in the control, P, HC and PHC treated buds. Hydroperoxide was assayed by the ferric-xylenol orange (Fe-XO) complex [62]. After incubation in the dark for 30 min, the absorbance was read at 560 nm with 100 μM xylenol orange as blank