Table 2.

Statistical outcomes of two-way ANOVA for mycorrhiza-specific variables.

	P	Zn	P*Zn
% mycorrhizal colonisation	<0.001	<0.001	<0.001
R. irregularis α-tubulin expression	<0.001	ns	ns
MtPT8 expression	<0.001	ns	ns
MtPT4 expression	<0.001	ns	ns