Service: Membership in Professional Societies:       American Society of Agronomy       Crop Science Society of America Offices and Committees in Professional Societies:       Chairman - Southern Corn Improvement Conference (1982, 1996)       Co-Chair - Interregional Corn Conference (1996)       Chair - Southern Regional Research Project S-70 (1985)       Member - Germplasm Registration Committee, CSSA (1991-1994)       Chairman - ASA awards committee, 39th International Science Fair (1988). UTIA Service:       UTIA Advisory Committee 1987-1990       Field Crop Variety Release 1980-2003       Department Head Search Committee 1985, 2001       Promotion and Tenure Review 1997-1999 Department Service:       Grad. Student Admission & Review Comm., 1987-93, 1999-2000, 2002-03       Graduate Student Seminar 1985-88, 1995-96       Faculty Search Committees 1997, 2000, 2001       Leader, 4-H Jr. High Academic Scholars Conference 1989-2003