Unintended Consequences

Mycorhizzal networks can extend the reach of chemicals by providing a Superhighway through the soil.

Juglone in walnut trees is a toxic compound the trees use to kill competing plant life. The compound enters the soil from fallen leaves. In an experiment, it was found that juglone traveled much farther than normal due to its hitching a ride on the fungal highway. The compound stunted the growth of tomato plants at distances that should not allow such an event to occur.

Entangled Life: How Fungi Make Our Worlds, Change Our Minds & Shape Our Futures by Merlin Sheldrake

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