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Fig. 6 | BMC Plant Biology

Fig. 6

From: An eukaryotic elongation factor 2 from Medicago falcata (MfEF2) confers cold tolerance

Fig. 6

Net photosynthetic rate (A) and chlorophyll a fluorescence index in transgenic tobacco plants overexpressing MfEF2 in comparison with the wild type (WT) after chilling treatment. A (a), Fv/Fm (b), qp (c) and NPQ (d) were determined 3 d after plants were treated at 2 °C. Means of three independent samples and standard errors are presented; the same letter above the column indicates no significant difference at P < 0.05

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