highly significantP ≤ 0.01
Mean Gt and radicle growth values of the different eucalyptus concentrations ( Fig 1 ) ranged from 82 to 30% and 90 to 33% of control, respectively, with a highly significant effect of concentration (ANOVA, P ≤ 0.01 for Gt; P ≤ 0.001 for growth).