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Figure 6 | BMC Plant Biology

Figure 6

From: Cold-acclimation limits low temperature induced photoinhibition by promoting a higher photochemical quantum yield and a more effective PSII restoration in darkness in the Antarctic rather than the Andean ecotype of Colobanthus quitensis Kunt Bartl (Cariophyllaceae)

Figure 6

Effect of cold acclimation on light response curves of net photosynthesis under PhT and after the recovery period. NA (A, C) and CA (B, D) plants of both ecotypes of C. quitensis were subjected to PhT and dark recovery. Net photosynthesis was measured after each treatment and the respective non photoinhibited controls at 4°C under 360 ppm CO2 at different PPFDs. Results are mean values ± SE of two separate experiments with 3 replicates each.

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