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. 2017 Jun 22;8:1107. doi: 10.3389/fpls.2017.01107

FIGURE 4.

FIGURE 4

Expression analysis of BdVRN1 (A), BdVRN2 (B), and BdVRN3 (C) genes in the WT (Bd21) and BdVRN1 RNAi mutant. The relative expression levels of each gene were determined by Real-Time RT-PCR in leaf tissues. Prior to vernalization, plants were grown at a greenhouse (25°C, 16/8 h day/night). Four-week-old seedlings were then transferred to a growth chamber at 4°C (8/16 h day/night) for 0 or 6 weeks. BdGAPDH is a loading control. Error bars represent the standard deviation from independent plants.