Table 3. The ranking of candidate reference gene stability by three software programs during turn over treatment.

Rank	GeNorm		Normfinder		BestKeeper
	Gene	Stability	Gene	Stability	Gene	SD	CV
1	CsTBP	0.051	CsTBP	0.005	CsACT	0.186	0.965
2	CsACT	0.053	CsACT	0.009	CsEF-1α	0.302	1.370
3	CsEF-1α	0.054	CsEF-1α	0.009	CsPPA2	0.340	1.402
4	CsPPA2	0.055	CsGADPH	0.015	CsTBP	0.363	1.530
5	CselF-4α	0.056	CsCYP	0.015	CsPCS1	0.449	1.880
6	CsMON1	0.056	CselF-4α	0.016	CsGADPH	0.416	2.095
7	CsGADPH	0.057	CsPPA2	0.016	CsMON1	0.482	2.116
8	CsCYP	0.057	CsMON1	0.018	CsUbi	0.441	2.146
9	CsPCS1	0.061	CsPCS1	0.019	CsSAND	0.513	2.197
10	CsUbi	0.066	CsUbi	0.029	CselF-4α	0.494	2.400
11	CsSAND	0.075	CsSAND	0.037	CsCYP	0.570	2.534
12	Cs18SrRNA	0.096	Cs18SrRNA	0.055	Cs18SrRNA	0.096	3.546
13	CsTUA	0.099	CsTUA	0.060	CsTUA	0.912	3.591
14	Cs26SrRNA	0.107	Cs26SrRNA	0.063	Cs26SrRNA	0.249	4.277
15	CsRuBP	0.175	CsRuBP	0.117	CsRuBP	1.813	8.610

Note:

SD, standard deviation; CV, coefficient variation.