Table 4.

Expression stability of 10 candidate reference genes calculated by BestKeeper.

Rank	MeJA-treatment			ABA-treatment			UV-treatment			Different organs			MeJA, ABA,UV-treatment			All samples
	Gene	SD	CV	Gene	SD	CV	Gene	SD	CV	Gene	SD	CV	Gene	SD	CV	Gene	SD	CV
1	18S	0.36	2.65	MDH	0.21	0.78	18S	0.02	0.11	18S	0.89	6.04	18S	0.30	2.22	18S	0.53	3.93
2	UBQ	0.46	1.85	UBQ	0.22	0.98	EFa	0.04	0.22	TUBb	1.16	3.52	ACT	0.90	4.07	ACT	1.07	4.75
3	CYP	0.48	2.59	TUBa	0.24	1.00	ACT	0.37	1.77	CYP	1.74	8.33	TUBa	0.96	4.11	TUBa	1.16	4.97
4	UBC	0.64	2.59	18S	0.24	1.83	UBQ	0.46	1.99	MDH	1.76	6.93	UBQ	1.01	4.27	UBQ	1.36	5.65
5	MDH	0.74	2.80	EFa	0.39	2.07	UBC	0.66	3.71	EFa	1.87	8.78	MDH	1.13	4.32	MDH	1.40	5.37
6	ACT	0.95	4.26	CYP	0.47	3.11	MDH	0.71	3.14	TUBa	1.87	8.05	EFa	1.19	6.16	EFa	1.44	7.33
7	EFa	1.22	5.97	ACT	0.58	2.59	CYP	0.98	5.35	UBQ	1.96	7.58	CYP	1.53	8.97	TUBb	1.84	5.68
8	TUBa	1.34	5.72	UBC	0.79	3.71	TUBa	2.20	9.57	UBC	1.97	9.95	GAPDH	1.91	8.13	CYP	1.87	10.54
9	GAPDH	1.35	5.39	GAPDH	1.38	6.21	TUBb	2.54	7.92	ACT	1.98	8.40	TUBb	2.01	6.23	UBC	2.32	10.61
10	TUBb	2.02	5.99	TUBb	1.47	4.77	GAPDH	3.59	15.83	GAPDH	4.90	16.59	UBC	2.10	9.41	GAPDH	2.92	11.81