About the Authors

Qing-He Zhang

Current address: Research & Development, Sterling International Inc., Spokane, Washington, United States of America

Affiliation Chemical Ecology, Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Sweden

Fredrik Schlyter

fredrik.schlyter@ltj.slu.se

Affiliation Chemical Ecology, Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp, Sweden

Competing Interests

Dr. Schlyter confirms that author Qing-He Zhang was not affiliated with Sterling International, Inc when the research was carried out, but was a student at SLU.

Author Contributions

Conceived and designed the experiments: QHZ FS. Performed the experiments: QHZ. Analyzed the data: QHZ FS. Wrote the paper: QHZ FS.