Summary
This comprehensive narrative review examines allelopathy and allelobiosis as inseparable, simultaneous processes in chemically mediated plant–plant interactions. The authors integrate current understanding of specialised metabolite biosynthesis, molecular mechanisms, and root–soil feedbacks to clarify how plants chemically affect neighbouring plant performance. The review highlights potential applications of these chemical interactions for sustainable agricultural and forestry systems.
Regional applicability
The mechanistic insights into allelopathy and allelobiosis could inform UK sustainable farming and forestry practices by enabling better management of crop–weed interactions, intercropping systems, and natural pest suppression. However, application will require adaptation to UK climate zones and specific cropping systems.
Key measures
Conceptual and mechanistic analysis of allelochemical and signalling chemical production, plant neighbour detection and identity recognition, root–soil interactions, and molecular pathways
Outcomes reported
The review synthesises current understanding of allelopathy and allelobiosis mechanisms, including biosynthetic pathways, molecular mechanisms, and root–soil feedbacks. It examines applications of these chemical interactions for sustainable agriculture and forestry systems.
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