1. School of Plant, Environmental and Soil Sciences; Louisiana State University Agricultural Center; Baton Rouge LA 70803 USA
2. Department of Plant Pathology and Crop Physiology; Louisiana State University Agricultural Center; Baton Rouge LA 70803 USA
3. Sugarcane Research Unit; USDA-ARS; Houma LA 70360 USA
4. Sugar Research Station; Louisiana State University Agricultural Center; St. Gabriel LA 770067 USA