Table 2 Expression stability values (M) of the eight candidate reference genes calculated by NormFinder.

From: Selection of the reference genes for quantitative gene expression by RT-qPCR in the desert plant Stipagrostis pennata

Rank

Rhizosheath development

Drought

Tissues

All samples

1

elF

GADPH

ARP6

ARP6

M value

0.120

0.06

0.392

0.604

2

HIS-3

elF

ALDH

ALDH

M value

0.189

0.179

0.580

0.622

3

GADPH

TIP41

TIP41

elF

M value

0.301

0.304

0.866

0.730

4

TIP41

ARP6

PP2A

PP2A

M value

0.380

0.324

0.992

0.766

5

PP2A

ALDH

elF

TIP41

M value

0.664

0.548

1.118

0.837

6

ARP6

α-TUB

GADPH

GADPH

M value

0.796

0.588

1.719

0.991

7

ALDH

PP2A

HIS-3

HIS-3

M value

0.803

0.701

1.793

1.586

8

α-TUB

HIS-3

α-TUB

α-TUB

M value

4.187

1.817

6.184

4.245