Component

Cumulative %

YP

YS

Mp

TOL

SSI

STI

1

73.08

0.471

0.370

0.476

0.435

0.169

0.444

2

96.22

0.107

-0.032

-0.032

0.304

0.763

-0.254

3

99.04

-0.259

0.509

-0.090

-0.491

0.624

0.191

4

100.00

0.158

0.463

0.241

0.026

0.00

-0.838

5

100.00

0.335

0.307

-0.084

0.295

0.000

0.000

6

100.00

-0.750

0.220

0.000

0.624

0.000

0.000

Table 8: Principal component loadings for drought tolerance indices on the 18 sweet potato genotypes screened at Marigat.