Table 3. Summary of the ANOVA for the effect of one-by-one anatomical feature on the simulated k_r assuming an endodermal casparian strip as the only apoplastic barrier.

Each line shows results from a single one-way ANOVA.

Variable	Radial Conductivity
	Correlation Coefficient of Pearson	R Squared Value (R2)	F Values	P Value
Total cross section area	−0.624	0.389	448.4	<0.0001
Stele area	−0.222	0.049	36.64	<0.0001
Total cortex area	−0.715	0.511	736.5	<0.0001
Living cortex area	−0.638	0.407	483.1	<0.0001
Number of xylem poles	−0.252	0.063	47.54	<0.0001
Xylem area	−0.175	0.03	26.61	<0.0001
Cortex cell number	0.037	0.001	0.962	0.327
Aerenchyma area	−0.632	0.4	468.4	<0.0001
Proportion of aerenchyma	−0.505	0.255	241.3	<0.0001
Cortex width	−0.841	0.708	1704	<0.0001
Ratio stele:cross section	0.792	0.627	1181	<0.0001