Table 2.

Comprehensive ranking of 15 candidate reference genes integrated by RefFinder.

Ranking	Tissue	Developmental stage	Photosynthetic cycle	Drought treatment	Cold treatment	Total
1	RPL10A	PGK	SAMDC	SAMDC	RPS25	SAMDC
2	SAMDC	SAMDC	ACT7	RPS25	SAMDC	RPS25
3	ACT7	F-BOX	ACT1	RPL10A	Rubisco	F-BOX
4	ACT11	RPL10A	PGK	F-BOX	TUA5	PGK
5	PGK	ACT7	TUA5	ACT11	ACT11	RPL10A
6	RPS25	TUA2	RPS25	ACT1	F-BOX	TUA5
7	EF-1-α	MDH	TUA2	TUA4	GAPDH	ACT1
8	ACT1	TUA4	RPL10A	GAPDH	ACT1	TUA4
9	F-BOX	TUA5	EF-1-α	TUA5	RPL10A	ACT11
10	TUA5	Rubisco	GAPDH	PGK	PGK	Rubisco
11	TUA4	RPS25	ACT11	Rubisco	TUA4	MDH
12	GAPDH	GAPDH	MDH	TUA2	ACT7	ACT7
13	TUA2	ACT1	F-BOX	MDH	TUA2	GAPDH
14	MDH	EF-1-α	TUA4	EF-1-α	MDH	TUA2
15	Rubisco	ACT11	Rubisco	ACT7	EF-1-α	EF-1-α