About the Authors

William L. Holdsworth

Affiliations Section of Plant Breeding and Genetics, School of Integrative Plant Sciences, Cornell University, Ithaca, NY, United States of America, Rupp Seeds, Inc., Wauseon, OH, United States of America

Kyle E. LaPlant

Affiliation Section of Plant Breeding and Genetics, School of Integrative Plant Sciences, Cornell University, Ithaca, NY, United States of America

Duane C. Bell

Affiliation Rupp Seeds, Inc., Wauseon, OH, United States of America

Molly M. Jahn

Affiliation Department of Agronomy, University of Wisconsin-Madison, Madison, WI, United States of America

Michael Mazourek

mm284@cornell.edu

Affiliation Section of Plant Breeding and Genetics, School of Integrative Plant Sciences, Cornell University, Ithaca, NY, United States of America

Competing Interests

WLH is, and DB was, employed by Rupp Seeds, a company that develops and distributes powdery mildew-resistant squash and pumpkin cultivars. This does not alter our adherence to PLoS One polices on sharing data and materials.

Author Contributions

Conceptualization: WLH KEL DCB MM. Formal analysis: WLH KEL. Funding acquisition: MM. Investigation: WLH KEL DCB. Methodology: MM WLH. Project administration: MM WLH DCB. Resources: WLH KEL DCB MMJ MM. Supervision: MM. Validation: MM WLH KEL. Visualization: WLH KEL MM. Writing – original draft: WLH KEL. Writing – review & editing: WLH KEL DCB MMJ MM.