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. 2018 Sep 12;18:189. doi: 10.1186/s12870-018-1418-y

Fig. 6.

Fig. 6

Flavonoid content and expression level of flavonoid production-related genes in over-expression plants **

VC-1 and VC-2 are vector-only control plants. EC-1 and EC-2 are healthy control plants, wild type. OE-1, OE-2, OE-3 and OE-4 are positive over-expression plants. Significant differences with the control (all controls) are indicated: * < 0.05; < 0.01