IOCV is pleased to present “Citrus Rootstocks: Their Characters and Reactions”, an unpublished manuscript by the late Prof. W.P. Bitters, University of California, Riverside. Based upon Bitters research many other sources, this work was compiled between 1960’s 1986 (additional information in preface). It represents a comprehensive (for that era) treatment facets citrus rootstock physiology, hor...