1. Department of Biology Faculty of Science Mahidol University Rama VI Road Bangkok 10400 Thailand
2. Rayong Field Crops Research Center Huai Pong Muang Rayong Rayong 21150 Thailand
3. Department of Genetics University of Georgia 120 West Green Street Athens Georgia 30602 USA
4. Department of Plant Biology University of Georgia 120 Carlton Street Athens Georgia 30602 USA
5. Warnell School of Forestry and Natural Resources University of Georgia 180 East Green Street Athens Georgia 30602 USA
6. Institute of Bioinformatics University of Georgia 120 West Green Street Athens Georgia 30602 USA