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. 2015 Mar 17;66(9):2449–2459. doi: 10.1093/jxb/erv030

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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. 4. — Maximum and active nitrate reductase activities (NRAmax and NRAact), and qRT–PCR analysis of OsNOA, OsNIA1, and OsNIA2 expression in the roots of cvs Nanguang and Elio. (A and B) NRAmax and NRAact in cvs Nanguang and Elio. (C and D) OsNOA, OsNIA1, and OsNIA2 expression levels in cvs Nanguang (C) and Elio (D). Seedlings were grown under NH₄ ⁺ and partial nitrate nutrition (PNN) for 14 d (A and B) and 2 d (C and D) in hydroponic media. Relative mRNA levels were normalized to OsACT. Data are means ± standard error (SE), and bars with different letters in the four treatments (A and B) and the same genes (C and D) indicate significant differences at P<0.05, as determined by ANOVA.