Fig. 2
From: Rhizophagus intraradices improves arsenic tolerance in Sophora viciifolia Hance
Effects of Rhizophagus intraradices on maximum quantum yield in the dark-adapted state (Fv/Fm), actual quantum yield in the light-adapted steady state (ΦPSII), nonphotochemical quenching values (NPQ), and photochemical quenching values (qP) in Sophora davidii leaves at different levels of As stress. Note: the same letter in each column indicates no significant difference among treatments at P < 0.05 using Tukey’s test; values are means ± SD, n = 3; *P < 0.05, **P < 0.01, NS not significant