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. 2021 May 7;12:664519. doi: 10.3389/fpls.2021.664519

FIGURE 4.

FIGURE 4

Effects of exogenous methyl jasmonic acid (MeJA) on relative expression of JA biosynthesis-related genes LpLOX2 (A), LpAOC (B), LpOPR3 (C), and LpJMT (D) in leaves of perennial ryegrass after heat stress. Vertical bars indicate ± SE of the mean (n = 3). No common letter above bar indicates a significant difference by least significant difference (LSD) (P < 0.05) on a given day. CK, control check; CK + MeJA, control check was pretreated with 100 μmol/L of MeJA; H, heat stress; H + MeJA, heat-stressed plants pretreated with 100 μmol/L of MeJA.