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Botanical Studies
Fig. 5 | Botanical Studies

Fig. 5

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

Fig. 5

Performance index on an absorption basis (PIABS) as well as its variables RC/ABS, \(\upvarphi_{\text{Po}}\)/(1 − \(\upvarphi_{\text{Po}}\)) and ψo/(1 − ψo) in 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. (Data are means ± SD of ten replicates (n = 10). For each parameter, for each species, the treatments with a star (*) are significantly different from the respective control (26 °C), p < 0.05)

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