title: Chemical diversity of microbial volatiles and their potential for plant growth and productivity.
abstract: Microbial volatile organic compounds (MVOCs) are produced by a wide array of microorganisms ranging from bacteria to fungi. A growing body of evidence indicates that MVOCs are ecofriendly and can be exploited as a cost-effective sustainable strategy for use in agricultural practice as agents that enhance plant growth, productivity, and disease resistance. As naturally occurring chemicals, MVOCs have potential as possible alternatives to harmful pesticides, fungicides, and bactericides as well as genetic modification. Recent studies performed under open field conditions demonstrate that efficiently adopting MVOCs may contribute to sustainable crop protection and production. We review here the chemical diversity of MVOCs by describing microbial-plants and microbial-microbial interactions. Furthermore, we discuss MVOCs role in inducing phenotypic plant responses and their potential physiological effects on crops. Finally, we analyze potential and actual limitations for MVOC use and deployment in field conditions as a sustainable strategy for improving productivity and reducing pesticide use.
authors.affiliation: Research and Innovation Center, Biology and Genomic of Fruit Plants, Fondazione Edmund Mach Trento, Italy.
authors.forename: Chidananda Nagamangala
authors.initials: CN
authors.lastname: Kanchiswamy
authors.affiliation: Research and Innovation Center, Biology and Genomic of Fruit Plants, Fondazione Edmund Mach Trento, Italy.
authors.forename: Mickael
authors.initials: M
authors.lastname: Malnoy
authors.affiliation: Plant Physiology Unit, Department of Life Sciences and Systems Biology, University of Turin Turin, Italy.
authors.forename: Massimo E
authors.initials: ME
authors.lastname: Maffei
keywords: bacteria; fungi; microbial volatile compounds; plant productivity; sustainable agriculture
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