The updated tenth edition includes up-to-date references. Although the book mainly describes of field crops, a number of vegetable crop diseases are also included. A major addition to the text is inclusion of biological control measures for most diseases and expansion of the information about phanerogamic plant parasites. Appended list o references at end of each chapter is exhaustive and may be of use to those pursuing research on specific diseases. In this edition Multiple Choice Questions have been included for the benefit