Table 1.

Biological parameter estimates.

Parameter	Description	Value
l	cytoplasm length	100 μm
w	cytoplasm width	10 μm
L	tissue length	2 × 10-3 m
Ls	agar-block length	2 × 10-3 m
λ	apoplast thickness	0.5 μm
Pdiff	membrane permeability	5.6 × 10-7 m s-1
PPIN	PIN permeability	3.3 × 10-6 m s-1
D	diffusion coefficient	6.7 × 10-10 m2 s-1
pHc	cytoplasm pH	7.2
pHa	apoplast pH	5.3
pK	dissociation constant	4.8
V	cell membrane voltage	-0.120 V
T	temperature	295.15 K
FD	Faraday constant	96485.3399 Cmol-1
R	gas constant	8.314472 K-1 mol-1

Parameters used for both the stochastic and deterministic models.