Casandra Vasquez, University of California, Riverside ; Joseph G. Morse, University of California, Riverside ; Richard Stouthamer, University of California, Riverside
Ausencio Azuara, Universidad Autonoma Agraria Antonio Narro ; Omaththage P. Perera, USDA - ARS ; Carlos A. Blanco, USDA-ARS ; Sergio R. Sanchez-Peņa, Universidad Autonoma Agraria Antonio Narro