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. 2015 Feb 12;10(2):e0117541. doi: 10.1371/journal.pone.0117541

Table 2. Diuron concentrations (g l-1) that inhibit 50% (IC50) and 10% (IC10) of H. ovalis leaf quantum yields at different irradiance levels.

F/F m’ Fv/Fm
Irradiance IC50 95% CV IC10 95% CV IC50 95% CV IC10 95% CV
40 3.3a 2.4–4.5 0.97 0.57–1.53 5.4a 3.9–8.0 1.23 0.67–1.97
100 3.5a 2.5–4.3 0.78 0.46–1.27 4.3a 3.1–6.3 0.66 0.33–1.14
200 2.2a 1.5–3.5 0.32 0.13–0.64 5.3a 3.1–9.8 0.55 0.19–1.22
400 2.3a 1.2–4.6 0.25 0.07–1.03 2.7b 1.3–4.4 0.18 0.06–0.49

Yield inhibitions were calculated against mean yield values for solvent controls at the corresponding irradiance (μmol photons m-2 s-1). Different superscripted letters indicate statistically different IC50 values (p < 0.05).