About the Authors

Elaine Ward

elaine.ward@rothamsted.ac.uk

Affiliation Plant Pathology and Microbiology Department, Rothamsted Research, Harpenden, Herts, United Kingdom

Brian R. Kerry

Affiliation Plant Pathology and Microbiology Department, Rothamsted Research, Harpenden, Herts, United Kingdom

Rosa H. Manzanilla-López

Affiliation Plant Pathology and Microbiology Department, Rothamsted Research, Harpenden, Herts, United Kingdom

Gerald Mutua

Affiliation Department of Plant Science and Crop Protection, University of Nairobi, Nairobi, Kenya

Jean Devonshire

Affiliation Plant Pathology and Microbiology Department, Rothamsted Research, Harpenden, Herts, United Kingdom

John Kimenju

Affiliation Department of Plant Science and Crop Protection, University of Nairobi, Nairobi, Kenya

Penny R. Hirsch

Affiliation Plant Pathology and Microbiology Department, Rothamsted Research, Harpenden, Herts, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BRK PRH EW JK. Performed the experiments: EW RHML JD GM. Analyzed the data: EW. Wrote the paper: EW PRH BRK RHML JD. Revised the manuscript critically for important intellectual content: JK GM.