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. 2020 Dec 8;11:577235. doi: 10.3389/fpls.2020.577235

FIGURE 4.

FIGURE 4

Expression of GA-, IAA-, and cell wall-related genes in epicotyls and hypocotyls under negative and positive DIF treatments. The expression of SlGA20ox1 (A), IAA-related genes (SlTAA1, SlYUC, SlSAUR47) (B–D), cell wall-related genes (SlEXP2, SlEXP1, SlXTH2) (E–G), and SlPIF4 (H) in epicotyls and hypocotyls grown under positive and negative DIF treatments were analyzed using reverse transcriptase real-time PCR. Data are shown as boxplots (n = 3). Cross marks in boxplot indicate the mean values. *P < 0.1; **P < 0.05; ***P < 0.01 (Student’s t test). +DIF, positive DIF; -DIF, negative DIF.