highly significantP < 0.05
Results Effect of chitosan forms and concentrations on vegetative growth (S1 and S2) Statistical overview As detailed in Table 1 , the two-way ANOVA indicated that the chitosan form (F) was the main influence on growth, having a highly significant effect ( P < 0.05) on all growth parameters except for branch number in Season (1) Conversely, the concentration (C) did not have a significant effect on growth parameters ( P > 0.05).