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. 2018 Mar 13;8:4444. doi: 10.1038/s41598-018-22743-6

Figure 1.

Figure 1

The expression levels of candidate reference genes. The Cq values generated by qRT-PCR of six time points under different abiotic stresses are shown as box plots. Whisker caps, boxes, lines and square boxes represent maximum/ minimum, 25/75 percentiles, median and mean, respectively. Long boxes and whiskers indicate greater variation. (a) salinity stress, (b) cold stress, (c) drought stress.