Table 5 Newman-Keuls pair-wise multiple mean test for NG in species groups. Values for P > 0.05 are marked with an asterisk (*).

C

- - -

F

0.191 155 *

- - -

E

0.730 582 *

0.333 161 *

- - -

D

0.567 983

0.379 209 *

0.854 029 *

- - -

B

0.724 216 *

0.259 701 *

0.773 523 *

0.884 571 *

- - -

A

0.000 020

0.000 009

0.000 008

0.000 017

0.000 022