A quantitative report on the impact of chloride on the kinetic coefficients of auxin-induced growth: a numerical contribution to the “acid growth hypothesis”

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Table 2 Fit parameters for the coleoptile of maize grown under constant dim green light at 25 °C and the influence of anion (A-9-C and DIDS) and cation (TEA-Cl and BaCl₂) channel blockers that were implemented after 1 h, and then incubated in the presence of 10 μM IAA after 2 h

Burdach et al. (2014): Fig. 2	A (s⁻¹)	B	C	D = k ₂ (s⁻¹)	t _e (s)
□ 1 mM KCl	(13.8 ± 0.5)e−07	0.0042 ± 0.0002	0.132 ± 0.003	(10.3 ± 0.2)e−05	23,985 ± 95
■ 1 mM KCl + 10 μM IAA	(21.5 ± 2.1)e−07	0.0046 ± 0.0006	0.221 ± 0.008	(15.5 ± 0.4)e−05	15,640 ± 35
◯ 1 mM KCl + 10 μM IAA + 0.1 mM A-9-C	(12.1 ± 1.4)e−07	0.0033 ± 0.0004	0.155 ± 0.005	(15.9 ± 0.4)e−05	14,649 ± 32
● 1 mM KCl + 10 μM IAA + 0.1 mM DIDS	(0.0 ± 5.0)e−07	0.0029 ± 0.0007	0.230 ± 0.022	(12.1 ± 0.6)e−05	15,821 ± 65
△ 1 mM KCl + 10 μM IAA + 30 mM TEA-Cl	(0.0 ± 4.6)e−07	0.0098 ± 0.0013	0.145 ± 0.020	(12.1 ± 1.0)e−05	12,580 ± 150
▲ 1 mM KCl + 10 μM IAA + 10 mM BaCl₂	(19.2 ± 1.9)e−07	0.0066 ± 0.0005	0.092 ± 0.007	(15.7 ± 0.8)e−05	14,881 ± 70