Table 6 Correlation between the spectrum of plant uses, the global plant diversity, the diversity of crops, crops wild relatives, and wild plant species

− 0.08

0.20

0.19

− 0.01

0.17

0.129

< 0.001

< 0.001

0.805

0.001

0.170

0.044

0.190

− 0.055

0.025

0.001

0.410

0.000

0.301

0.635

0.14

−0.09

0.03

− 0.01

− 0.08

0.007

0.092

0.530

0.880

0.140

−0.41

0.36

0.11

0.05

0.33

0.000

< 0.001

0.038

0.365

< 0.001