RESEARCH REPORTS 2017 Philipp W. Simon Carrot Breeding to Develop and Introduce Improved Cultivars for California Producers Philip A. Roberts Identification of Gene Sources for Resistance to Root-knot Nematodes Attacking Carrots in California Joe Nunez Progress Report for CFCAB Supported Kern County Projects Mary Ruth McDonald Evaluation of Carrot Breeding Lines for Susceptibility to Cavity Spot Ole Becker Evaluation of Crop Protection Products against Root-knot Nematodes Suitable for Organic and Conventional California Fresh Carrot Production