1. Guangxi Key Lab for Sugarcane Biology Guangxi Univ. Nanning Guangxi 530005 China
2. Agronomy Department University of Florida Gainesville FL 32610 USA
3. Sugarcane Research Unit USDA‐ARS Houma LA 70360 USA
4. Sugarcane Field Station USDA, ARS Canal Point FL 33438 USA