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Influence of Fusarium Crown Rot Disease on Semiochemical Production by Wheat Plants

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Plants infected by Fusarium spp. can emit volatile chemicals that differ both quantitatively and qualitatively from undamaged plants. In this experiment, pathogen infection increased the release of the secondary metabolites linalool, linalool oxide and β-farnesene by wheat plants. The amounts of released metabolites varied significantly with Fusarium species. The time interval for the volatile collections within photophase also influenced the amount collected for each day. The increased emission of these compounds, as a result of infection, may be explained as a defence mechanism.

Keywords: Fusarium spp; Triticum aestivum; sawfly; semiochemicals; volatiles

Document Type: Research Article


Affiliations: Department of Land Resources and Environmental Sciences, Montana State University, 334 Leon Johnson Hall, Bozeman, MT 59717-3120, USA

Publication date: 2007-08-01

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