Table 3 Principal component analysis of 7 Vigna radiata genotypes based on 13 traits

Eigen value

4.626

3.788

2.423

% Total variance

35.6

29.1

18.6

% Cumulative

35.6

64.7

83.4

Traits

Petiole width (mm)

0.026

0.421

0.193

Petiole diameter

−0.336

−0.082

0.181

Seed leaf length

0.31

−0.111

−0.216

Plant height

0.407

−0.039

−0.273

Leaf length

−0.202

0.416

0.196

Leaf diameter

0.056

−0.028

0.585

Pod length

0.104

−0.359

0.339

Pods per plant

0.361

0.205

−0.281

Seeds per pod

0.421

−0.018

0.238

Seed weight per plant

0.377

0.138

0.312

Plant dry weight

0.001

0.427

0.047

Harvest index

0.248

−0.318

0.264

Biological yield

0.242

0.393

0.097