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Figure 2

From: Effects of seawater sulfur starvation and enrichment on Gracilaria gracilis growth and biochemical composition

Figure 2

Effects of sulfur on thallus color of Gracilaria gracilis after three weeks culture. (a) sulfur starved seawater (SSS), (b) seawater (SW), and (c) sulfur enriched seawater (SES). Yellow circular in Fig. 2a indicate diagnosed bleaching phenomenon known as chlorosis; pigmentation losses of the thalli. Sulfate concentrations [SO42−] of the treatments were 2.5 mM, 27 mM and 50 mM for SSS, SW, and SES, respectively.

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