Fig. 8From: Genome-wide identification of SERK genes in apple and analyses of their role in stress responses and growthEndogenous hormone contents in shoot tips of control, brassinosteroid (BR)-treated, and auxin-treated plants. a Contents of BR in control and BR-treated groups. b Content of auxin in control and auxin-treated groups. Bars show mean ± standard error (n = 3). *Significant difference at 0.05 level, **significant difference at 0.01 levelBack to article page