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 10 Fit parameters for the coleoptile of maize grown under constant dim green light at 25 °C and the influence of an anion channel blocker (A-9-C) and 10 mM KCl or 10 mM KNO₃ and 10 μM IAA, added to the medium at 2 h

Burdach et al. (2014): Fig. 8	A (s⁻¹)	B	C	D = k ₂ (s⁻¹)	t _e (s)
■ 10 mM KCl + 10 μM IAA	(28.0 ± 1.3)e−07	−0.0048 ± 0.0008	0.090 ± 0.004	(33.6 ± 2.0)e−05	11,683 ± 94
● 10 mM KNO₃ + 10 μM IAA	(21.1 ± 0.6)e−07	−0.0029 ± 0.0005	0.050 ± 0.002	(51.4 ± 3.5)e−05	10,989 ± 85
□10 mM KCl + 10 μM IAA + 0.1 mM A-9-C	(20.2 ± 0.5)e−07	−0.0017 ± 0.0004	0.055 ± 0.001	(45.4 ± 2.1)e−05	10,697 ± 64
◯ 10 mM KNO₃ + 10 μM IAA + 0.1 mM A-9-C	(14.5 ± 0.5)e−07	0.0005 ± 0.0004	0.052 ± 0.002	(43.5 ± 2.6)e−05	9865 ± 83