Variable

Component

1

2

3

N Latitude

0.490

−0.001

0.107

W Longitude

0.478

−0.114

0.288

Minimum mean annual temperature

−0.459

−0.084

0.004

Sprout fresh weight

−0.141

0.515

0.057

Root thickest portion diameter

−0.055

0.563

0.058

Root crown diameter

−0.101

0.232

0.858

Root length

0.478

−0.114

−0.288