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Figure 1. Fv/Fm changes during cold treatment in plant lines with modified T6P content. Plants were grown in 12 h light, 22 °C, 70% humidity, transferred for 2 d to 10 °C, then measured after 4 h recovery at 22 °C. Fv/Fm was measured with GROWSCREEN-Fluoro.8 n = 6–20 plants. Error bars indicate standard error.
