Ectomycorrhizal fungi are a type of fungi that envelop the roots of trees and form vast underground networks that help transfer nutrients from the soil to the trees. There has been a recent interest in studying the possibility of electrical signal transfer between these fungi and trees via their mycelial networks. This is because it is believed that the fungi generate electrical signals to coordinate growth and other behaviors and that these signals can help transfer nutrients to plants and trees. However, current evidence is limited and has mostly been confined to laboratory settings. In a recent study, researchers attached electrodes to six Laccaria bicolor mushrooms and discovered that their electrical signals increased after rainfall. The researchers found that the post-rain electric potential showed signal transport among mushrooms, particularly those that were spatially close to each other, indicating directionality. The study confirms the need for further research on fungal electrical potentials in a real ecological context.

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By hassani

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