The three fungi also differed in base exchange capacity , with paxillus involutus having the highest base exchange capacity and suillus bovinus the lowest
2.
The results showed that the base exchange capacity of the three ectomycorrhizal fungi was much higher than cation exchange capacity of plant roots , indicating that the fungi may have great potential to adsorb heavy metals
3.
The tolerance of suillus granulatus and paxillus involutus to zn , cd , and pb was then compared using liquid culture medium without agitation . compared to suillus granulatus , paxillus involutus was more tolerant to zn and pb , but more sensitive to cd than suillus granulatus . the adsorption of heavy metals in ectomycorrhizal fungi might be related to the base exchange capacity of the fungal mycelium
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