About the Authors

Alena Votavová

Affiliation Agricultural Research, Ltd., Troubsko, Czech Republic

Aleš Tomčala

Affiliations Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic, Institute of Parasitology, Biology Centre, Czech Academy of Sciences, České Budějovice, Czech Republic

Edita Kofroňová

Affiliation Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic

Michaela Kudzejová

Affiliation Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic

Jan Šobotník

Affiliation Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Prague, Czech Republic

Pavel Jiroš

Affiliation Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic

Olga Komzáková

Affiliation Agricultural Research, Ltd., Troubsko, Czech Republic

Irena Valterová

irena@uochb.cas.cz

Affiliation Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic

Competing Interests

The authors have declared that no competing interests exist. A.V. and O.K. are employed by Agricultural Research, Ltd. There are no patents, products in development or marketed products to declare. This declaration does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: AV OK JS IV. Performed the experiments: AV EK MK JS PJ OK. Analyzed the data: AV AT JS MK EK IV. Contributed reagents/materials/analysis tools: AV EK MK JS PJ OK. Wrote the paper: AV AT EK JS IV.