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. 2016 Mar 5;17:186. doi: 10.1186/s12864-016-2551-3

Fig. 4.

Fig. 4

Citrate and malate efflux from the root apices of the barley varieties. a Citrate efflux was measured in presence of 30 μM AlCl3 with and without an overnight pre-treatment in 10 μM AlCl3. b Malate efflux measured in the presence of 30 μM AlCl3 without pre-treatment. ET8 is an Al-tolerant wheat line used as a positive control for malate efflux. Data show means and SE (n = 4)