research Volatile Signaling by Sesquiterpenes from Ectomycorrhizal Fungi Reprograms Root Architecture 193 citations, February 2015 in “Nature Communications” Fungi-produced compounds can change plant root growth.
research Downstream Molecular Responses to Volatile Signaling in Roots January 2021 Plant roots respond to fungus smells by possibly using certain proteins and a plant hormone to change root growth, but more research is needed.