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The heat tolerance of transgenic chrysanthemum. (a) The appearance of plants (WT, EV and Th4) after exposure to 45 °C for 0–24 h; (b) The appearance of plants (WT, EV and Th4) during the recovery phase; (c) The survival rate of transgenic and non-transgenic plants exposed to one week of high temperature. Error bars calculated from three replicates.
