Author Affiliations +
Joseph M. DiTomaso,* Robert A. Masters,* Vanelle F. Peterson*
*Authors are Cooperative Extension Specialist, Dept of Plant Sciences, University of California, Davis, CA 95616, USA, jmditomaso@ucdavis.edu (DiTomaso); and Research Scientists, Dow AgroSciences, LLC, Indianapolis, IN 46268, USA (Masters and Peterson).
