Fig. 9From: Genome-wide characterization of the GRF family and their roles in response to salt stress in GossypiumPhenotypes and expression profile analyses of GaGRF and GbGRF genes under different concentrations of salt stress conditions analyzed by qRT-PCR in G. arboreum and G. barbadense, respectively. a: Phenotypes of diploid cotton G. arboreum cv. Shiyixia1 under different concentrations of NaCl treatment. b: Relative gene expression levels in leaves after 1, 3, and 6 h of the treatment with 0, 200, and 500 mM NaCl. CK, 0 mM. c: Phenotypes of G. barbadense cv. H7124 under different concentrations of NaCl treatment. d: Relative gene expression levels in leaves after 1, 3, and 6 h of the treatment with 0, 200, and 500 mM NaCl. CK, 0 mM. The G. arboreum and G. barbadense histone-3 (HIS3) and UBQ7 genes were used as the internal reference. Error bars indicate SD (n = 3). Statistically significant differences (α = 0.01 level) of expression values are indicated with different letters with analysis of variance in R (https://www.r-project.org/)Back to article page