1. Dale Bumpers National Rice Research
Center, Agricultural Research Service, U.S. Department of Agriculture,
2890 Highway 130 East, Stuttgart, Arkansas 72160, United States
2. Center
for Traditional Microorganism
Resources, Keimyung University, Daegu 704-701, Republic of Korea
3. Western Regional Research Center,
Agricultural Research Service, U.S. Department of Agriculture, Albany,
California 94710, United States