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. 2022 Nov 23;13:1037136. doi: 10.3389/fpls.2022.1037136

Figure 6.

Figure 6

Effects of Si application and Pga inoculation on OJIP curves and Chlorophyll fluorescence parameters of oat leaves. (A), OJIP curve; (B), chlorophyll b (F o); (C), maximum fluorescence (F m); (D), variable fluorescence (F v); (E), photosynthetic performance index (PI ABS); (F), maximum quantum yield of PSII (F v/F m); (G), Photochemical quenching (qP); (H), non-photochemical quenching (NPQ); (I), actual PSII quantum yield (ΦPSII); (J) electron transport rate (ETR). CK, no Si application and no Pga inoculation; +Si-P, 1.5 mmol·L–1 Si application and no Pga inoculation; -Si+P, no Si application and Pga inoculation; +Si+P, 1.5 mmol·L–1 Si application and Pga inoculation. Data are expressed as mean ± SE (n=3). According to Duncan’s multiple comparison tests among treatments, different letters on bars show significant differences at 0.05 level of probability.