Moreover, as the Al treatment concentration rose, soluble protein content also showed a trend of gradual increase, suggesting that the root cells of Shatian pomelo were responding to Al toxicity stress by accumulating more soluble proteins ( Figure 3 E).
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The sentences
The root growth of Shatian pomelo was significantly inhibited under Al toxicity stress ( Figure 1 A–E and Figure 2 A–H), and the root biomass of Shatian pomelo showed a decreasing trend with the increase in Al concentration, indicating that the root growth of Shatian pomelo was indeed severely inhibited by Al toxicity.