Table 3.

Stability assessment of all candidate reference genes of S. glauca plants’ response to salinity stresses calculated using the BestKeeper algorithms.

Order	A			B			C			D			E			F
	Gene	SD	coeff. of corr. [r]	Gene	SD	coeff. of corr. [r]	Gene	SD	coeff. of corr. [r]	Gene	SD	coeff. of corr. [r]	Gene	SD	coeff. of corr. [r]	Gene	SD	coeff. of corr. [r]
1	MPK6	0.49	0.998	PP2A	0.53	0.998	TUA5	0.50	0.999	PP2A	0.53	0.999	TUA5	0.50	0.999	MPK6	0.58	0.999
2	PP2A	0.41	0.978	V-H+-ATPase	0.48	0.983	PP2A	0.44	0.980	MPK6	0.51	0.979	PP2A	0.50	0.979	PP2A	0.50	0.982
3	TUA5	0.45	0.971	TUA5	0.53	0.971	V-H+-ATPase	0.51	0.971	TUA5	0.48	0.978	MPK6	0.56	0.977	TUA5	0.53	0.979
4	CCD1	0.22	0.964	MPK6	0.30	0.966	MPK6	0.33	0.971	V-H+-ATPase	0.27	0.972	V-H+-ATPase	0.29	0.969	UPL1	0.23	0.970
5	V-H+-ATPase	0.38	0.961	ACT11	0.44	0.949	CCD1	0.46	0.966	UPL1	0.42	0.955	ACT11	0.46	0.967	ACT11	0.47	0.962
6	ACT11	0.52	0.881	CCD1	0.61	0.826	ACT11	0.60	0.874	ACT11	0.54	0.883	UPL1	0.54	0.839	ACT7	0.61	0.847
7	UPL1	0.30	0.76	UPL1	0.33	0.774	UPL1	0.41	0.729	CCD1	0.33	0.777	CCD1	0.31	0.756	CCD1	0.35	0.774
8	PHT4;5	0.53	0.718	PHT4;5	0.54	0.719	ACT7	0.64	0.723	PHT4;5	0.65	0.726	DREB1D	0.64	0.722	PHT4;5	0.63	0.627
9	ACT7	0.40	0.471	ACT7	0.49	0.472	PHT4;5	0.46	0.472	DREB1D	0.49	0.380	ACT7	0.49	0.278	V-H+-ATPase	0.43	0.472
10	DREB1D	0.28	0.083	DREB1D	0.30	0.187	DREB1D	0.40	0.289	ACT7	0.40	0.088	PHT4;5	0.28	0.085	DREB1D	0.36	0.193

A: Thirteen tissue samples derived from 1/10 MS liquid medium treatment.

B: Thirteen tissue samples derived from 100 mM NaCl treatment.

C: Thirteen tissue samples derived from 300 mM NaCl treatment.

D: Fifteen germinating seed samples derived from NaCl gradient treatment.

E: Eighteen seedling samples derived from NaCl gradient treatment.

F: All 72 samples used in this study.