This manual is the fourth component of the Vegetable Integrated Pest Management (IPM) in Tasmania: Manual (TL209), part of an education and training package on IPM of vegetable insects, diseases, and weeds in Tasmania. This section provides photographic and detailed information on the diseases commonly encountered in potato, carrot, bean, pea, broccoli, and onion crops in Tasmania. Following each crop is a table that indicates the various control methods or tools that can be used to manage the specific pest or disease.