Fig. 8From: Genome-wide identification and expression analysis of expansin gene family in common wheat (Triticum aestivum L.)Expression profiling of wheat expansin genes in the roots under 20% PEG stress. Error bars indicate standard errors of three biological replicates. Statistically significant differences between control group and treatment group were calculated based on an independent Student’s t-tests: * p < 0.05; ** p < 0.01Back to article page