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. 2021 Feb 5;11:3243. doi: 10.1038/s41598-021-82450-7

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Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Physiological responses of flood-stressed and control plants. One-month alfalfa plants growing under (A) control, and (B) flood-stressed conditions, (C) stem colour development in AAC-Trueman plants upon flood stress, (D) photosynthesis assimilation rate in µ mol CO₂ m⁻² leaf area S⁻¹, (E) chlorophyll fluorescence response, Fv/Fm, (F) V_cmax, the maximum rate of rubisco carboxylase activity, (G) J_max, maximum photosynthesis electron transport rate. Values are sample means ± SE, n = 8 individual plants. A significant difference from ANOVA was followed by Post hoc Tukey multiple comparisons test and indicated with different letters.