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. 2015 Feb 22;66(7):2041–2054. doi: 10.1093/jxb/erv005

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© The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3. — ABA-mediated signalling is not required for the inhibitory action of Fe on primary root growth. Five-day-old WT, abi1-1, aba3-1, and aba2-3 seedlings were transferred to medium, and roots were supplemented with 350 μM Fe alone or in combination with 3 μM ABA or 0.1 μM FLU for 5 d, after which primary root growth was quantiﬁed. (A) Effect of ABA or FLU on primary root growth in WT seedlings when roots are supplied with excess Fe. Values are means±SE (n≥6). (B) Effect of varying concentrations of Fe on primary root growth in WT and ABA mutant seedlings. Values are means±SE (n≥5). Primary root growth in WT, abi1-1, aba3-1, and aba2-3 in the control were 5.2±0.1, 4.66±0.14, 3.92±0.2, and 4.3±0.12cm, respectively.