Table 4.

Expression stability ranking of 10 candidate reference genes.

Method	1	2	3	4	5	6	7	8	9	10
RANKING ORDER IN FD (BETTER—GOOD—AVERAGE)
geNorm	GAPDH/EF-1α		UBC	PP2A	TIP41	ACTIN	α-TUB	β-TUB	CYP	SAMS
NormFinder	GAPDH	UBC	EF-1α	PP2A	TIP41	ACTIN	α-TUB	β-TUB	CYP	SAMS
Bestkeeper	PP2A	α-TUB	TIP41	GAPDH	UBC	ACTIN	EF-1α	CYP	SAMS	β-TUB
RefFinder	GAPDH	UBC	EF-1α	PP2A	TIP41	α-TUB	ACTIN	β-TUB	CYP	SAMS
RANKING ORDER IN XS (BETTER—GOOD—AVERAGE)
geNorm	UBC/GAPDH		TIP41	EF-1α	PP2A	CYP	α-TUB	β-TUB	ACTIN	SAMS
NormFinder	GAPDH	TIP41	UBC	EF-1α	PP2A	CYP	ACTIN	α-TUB	β-TUB	SAMS
Bestkeeper	UBC	GAPDH	TIP41	PP2A	EF-1α	ACTIN	α-TUB	CYP	β-TUB	SAMS
RefFinder	GAPDH	UBC	TIP41	EF-1α	PP2A	CYP	ACTIN	α-TUB	β-TUB	SAMS
RANKING ORDER IN QH (BETTER—GOOD—AVERAGE)
geNorm	UBC/EF-1α		TIP41	GAPDH	PP2A	ACTIN	SAMS	α-TUB	CYP	β-TUB
NormFinder	TIP41	EF-1α	UBC	GAPDH	PP2A	ACTIN	α-TUB	CYP	SAMS	β-TUB
Bestkeeper	CYP	UBC	EF-1α	TIP41	α-TUB	GAPDH	β-TUB	PP2A	ACTIN	SAMS
RefFinder	EF-1α	UBC	GAPDH	TIP41	CYP	PP2A	ACTIN	α-TUB	SAMS	β-TUB
RANKING ORDER IN TOTAL SAMPLES (BETTER—GOOD—AVERAGE)
geNorm	PP2A/TIP41		GAPDH	UBC	EF-1α	ACTIN	CYP	α-TUB	SAMS	β-TUB
NormFinder	UBC	TIP41	GAPDH	PP2A	EF-1α	ACTIN	CYP	α-TUB	β-TUB	SAMS
Bestkeeper	UBC	EF-1α	TIP41	CYP	PP2A	GAPDH	α-TUB	ACTIN	β-TUB	SAMS
RefFinder	TIP41	UBC	GAPDH	PP2A	EF-1α	CYP	ACTIN	α-TUB	β-TUB	SAMS

FD, ‘Feng Dan’; XS, ‘Xi Shi’; QH, ‘Que Hao.’