Table 1 Summary of the principal component analysis of the measured trails (Squared cosines of the variables).

From: Potential effect of non-nitrogen fixing cyanobacteria Spirulina platensis on growth promotion of wheat (Triticum aestivum L.) under salt stress

Variables

PC1

PC2

SB

0.8223

0.0469

SL

0.8412

0.1263

RB

0.8941

0.0395

RL

0.8998

0.0834

CHL a

0.9404

0.0455

CHL b

0.9564

0.007

Cart

0.957

0.0013

H2O2

0.9642

0.0357

MDA

0.9496

0.035

APX

0.5278

0.4449

POD

0.4293

0.5237

PAL

0.2173

0.7511

TPC

0.495

0.4958

FLV

0.8544

0.1406

Pro

0.4837

0.4684

GSH

0.2205

0.0147

Eigen-value

11.45306

3.25971

Variance (%)

71.6

20.4

Cumulative (%)

71.6

91.95

  1. PC1 and PC2 are the first two components (PCs) with eigenvalues ≥ 1. Values in bold correspond for each variable to the factor for which the squared cosine is the largest. (SL) shoot length, (SB) shoot fresh biomass, (RL) root length, (RB) root fresh biomass, (Chl a) chlorophyll a, (Chl b) chlorophyll b, (Cart) carotenoid contents, (H2O2) hydrogen peroxide, (MDA) malondialdehyde, (APX) ascorbate peroxidase, (POX) peroxidase, (PAL) phenylalanine ammonia-lyase activity, (TPC) total phenolic, (FLAV) flavonoids, (Pro) Proline, (GSH) reduced glutathione content.
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