Jeffrey Mitchell, 9240 S Riverbend Avenue, University of California-Davis, Parlier, CA, US, Anil Shrestha, Plant Science, California State University-Fresno, Fresno, CA, Randal J. Southard, One Shields Avenue, University of California-Davis, Davis, CA, William R. Horwath, Department of Land, Air and Water Resources, University of California - Davis, Davis, CA, Daniel Munk, University of California Cooperative Extension, Reedley, CA and Aldo Garcia, Plant Science, California State University-Fresno, Clovis, CA