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. 2021 Apr 10;21:171. doi: 10.1186/s12870-021-02945-3

Fig. 1.

Fig. 1

The mortality rate (a), leaf water potential (b), stem diameter (c) and tree height (d) of Pinus tabulaeformis with ECM fungi inoculation in three drought levels. The data are the means ± standard deviation (n = 3). Different lowercase above the columns indicate significant difference between the means by Tukey (HSD) test (P < 0.05). CK = No ECM fungi inoculation; ECMF = ECM fungi inoculation; T1 = non-drought stress; T2 = moderate drought stress; T3 = severe drought stress