1. USDA Agricultural Research Service; San Joaquin Valley Agricultural Sciences Center; Parlier CA USA
2. Department of Plant Sciences; University of California Davis; Davis CA USA
3. Bayer CropScience; Fresno CA USA
4. Crops Pathology and Genetics Research Unit; USDA Agricultural Research Service; Davis CA USA
5. Department of Soil and Water Science; University of Florida; Gainesville FL USA