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. 2022 Nov 7;13:967968. doi: 10.3389/fpls.2022.967968

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Copyright © 2022 Sun, Wang, Xiang and Li

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Effect of sodium nitroprusside (SNP), 2-(4-carboxyphenyl)-4,4,5,5- tetrameth- ylimidazoline-1-oxyl-3-oxide (cPTIO), sodium hydrosulfide (NaHS), and hypotaurine (HT) on nitrate reductase (NR) (A) activity, corresponding gene expression (B), and nitric oxide (NO) content (C) in maize seedlings under non-HS conditions. The data had at least three biological replicates and were tested using Duncan,s multiple-range test at 0.05 significant level, which denote means ± standard error (SE). The bars with the different letters represent significant differences, while the same letters represent no significant difference.