About the Authors

Jose V. Die

Affiliation U.S. Department of Agriculture, Agricultural Research Service, Beltsville, Maryland, United States of America

Lisa J. Rowland

Jeannine.Rowland@ars.usda.gov

Affiliation U.S. Department of Agriculture, Agricultural Research Service, Beltsville, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LJR JVD. Performed the experiments: JVD. Analyzed the data: JVD LJR. Contributed reagents/materials/analysis tools: LJR. Wrote the paper: JVD LJR.