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Botanical Studies
Fig. 4 | Botanical Studies

Fig. 4

From: Antioxidant responses and photosynthetic behaviors of Kappaphycus alvarezii and Kappaphycus striatum (Rhodophyta, Solieriaceae) during low temperature stress

Fig. 4

Energy flux ratios (\(\upvarphi_{\text{Po}}\), \(\upvarphi_{\text{Eo}}\) and ψo) of Kappaphycus alvarezii (a) and Kappaphycus striatum (b) thalli after exposure to 26 °C (the control) and low temperatures (23, 20 and 17 °C) for 2 h, respectively. (Means ± SD of ten replicates (n = 10) are presented. For each species, the treatment with a star (*) indicates that there is a significant difference between this temperature treatment and the control (26 °C), p < 0.05)

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