About the Authors

Katherine C. H. Amrine

Affiliation Department of Viticulture and Enology, University of California Davis, Davis, California, United States of America

Barbara Blanco-Ulate

Affiliation Department of Viticulture and Enology, University of California Davis, Davis, California, United States of America

Dario Cantu

dacantu@ucdavis.edu

Affiliation Department of Viticulture and Enology, University of California Davis, Davis, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KCHA DC. Performed the experiments: KCHA. Analyzed the data: KCHA BBU. Contributed reagents/materials/analysis tools: KCHA. Wrote the paper: KCHA BBU DC.