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. 2022 Dec 8;13:1043171. doi: 10.3389/fpls.2022.1043171

Figure 1.

Figure 1

Effects of compound microbial agents on SPAD and photosynthetic parameters in flag leaf. CK and BIO represent the control and combined biocontrol agents inoculated plants, respectively. (A) SPAD: Chlorophyll relative content. (B) Pn: Net photosynthesis rate. (C) Tr: Transpiration rate. (D) WUEL: Leaf water use efficiency. Capital letters indicated significant differences between groups (one-way ANOVA, P < 0:05), whereas small letters indicate significant differences among control (CK) and compound microbial agents inoculated (BIO) plants at the same time point (student’s t-test, P < 0.05), respectively. The smaller bars are standard errors.