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. 2016 Jan 9;16:13. doi: 10.1186/s12870-015-0634-y

Fig. 4.

Fig. 4

Relative expression levels of ethylene synthesis-related genes. LeACS1A (a), LeACS2 (b), LeACS4 (c), LeACS6 (d) and LeACO1 (e) gene expression values were presented relative to the Actin. Vertical bars indicate the SD (n = 3). Asterisks indicate statistically significant differences compared with the control group (*P < 0.05; **P < 0.01, Student’s t- test)