About the Authors

Ziming Weng

Affiliation Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

Roger Barthelson

Affiliation Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

Siddarame Gowda

Affiliation Citrus Research and Education Center, University of Florida, Lake Alfred, Florida, United States of America

Mark E. Hilf

Affiliation United States Department of Agriculture-Agricultural Research Service-United States Horticulture Research Laboratory, Fort Pierce, Florida, United States of America

William O. Dawson

Affiliation Citrus Research and Education Center, University of Florida, Lake Alfred, Florida, United States of America

David W. Galbraith

Affiliation Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

Zhongguo Xiong

To whom correspondence should be addressed. E-mail: zxiong@email.arizona.edu

Affiliation Department of Plant Sciences, University of Arizona, Tucson, Arizona, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DG ZX ZW RB WD. Performed the experiments: ZX ZW RB SG MH. Analyzed the data: DG ZX ZW WD. Contributed reagents/materials/analysis tools: ZX WD SG MH. Wrote the paper: DG ZX ZW.