Table 6.

Ranking of reference genes and their SD calculated using Bestkeeper.

Rank	Total		set1		set2		set3
	Gene	SD	Gene	SD	Gene	SD	Gene	SD
1	PP2A	0.73	PP2A	0.35	PP2A	0.73	UBQ	0.86
2	UBQ	0.78	UBQ	0.42	EF-1a	0.74	Actin	0.87
3	SAND	0.83	TUB	0.43	TUB	0.84	SAND	0.93
4	TUB	0.88	Actin	0.47	UBQ	0.87	PGK	1
5	Actin	0.9	MTP	0.51	MTP	0.9	MTP	1.07
6	EF-1a	0.92	SAND	0.54	PGK	0.93	EF-1a	1.09
7	PGK	0.93	EF-1a	0.55	Actin	0.94	F-box	1.13
8	MTP	0.94	PGK	0.57	F-box	0.97	TUB	1.17
9	F-box	1.02	F-box	0.85	SAND	0.99	PP2A	1.28