Department of Plant Sciences, University of California, Davis, CA 95616, USA.|Department of Plant Sciences, University of California, Davis, CA 95616, USA.|Department of Plant Sciences, University of California, Davis, CA 95616, USA.|Department of Plant Sciences, University of California, Davis, CA 95616, USA.|Department of Plant Sciences, University of California, Davis, CA 95616, USA.|Department of Plant Sciences, University of California, Davis, CA 95616, USA.|Department of Plant Sciences, University of California, Davis, CA 95616, USA.