About the Authors

Kathryn F. Lomas

Affiliation School of Biological Sciences, University of Auckland, Auckland, New Zealand

David R. Greenwood

david.greenwood@auckland.ac.nz

Affiliations School of Biological Sciences, University of Auckland, Auckland, New Zealand, The New Zealand Institute for Plant & Food Research Limited, Auckland, New Zealand

James FC. Windmill

Affiliation Centre for Ultrasonic Engineering, Department of Electronic and Electrical Engineering, University of Strathclyde, Glasgow, United Kingdom

Joseph C. Jackson

Affiliation Centre for Ultrasonic Engineering, Department of Electronic and Electrical Engineering, University of Strathclyde, Glasgow, United Kingdom

Jeremy Corfield

Affiliation School of Biological Sciences, University of Auckland, Auckland, New Zealand

Stuart Parsons

Affiliation School of Biological Sciences, University of Auckland, Auckland, New Zealand

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KFL DRG JFCW JCJ SP. Performed the experiments: KFL DRG JFCW JCJ. Analyzed the data: KFL DRG JFCW JCJ JC. Contributed reagents/materials/analysis tools: DRG JFCW JCJ JC. Wrote the paper: KFL DRG JFCW JC SP.