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. 2021 Feb 4;11:599111. doi: 10.3389/fpls.2020.599111

FIGURE 8.

FIGURE 8

Effect of DA-6 treatment on related gene expression of CTK synthesis and decomposition in tomato leaves under low night temperature. IPT3, IPT4, and IPT5: CTK synthesis pathway gene. CKX2, CKX3, CKX4, CKX5, and CKX7: CTK decomposition pathway gene. Data are the means of five replicates at 12 days with standard errors shown by vertical bars. Differences among treatments were analyzed by the one-way ANOVA comparison test (P < 0.05). Different letters indicate significant differences among treatments. CK, the plant grown at optimal temperature (28°C/18°C); LHT, the plant grown at low night temperature (28°C/6°C); LHT + DA-6, the plant pretreated with DA-6 and grown at LHT.