Synopsis This manual, based on long experience of the author as teacher and research guide, gives a concise account of different plant pathological techniques required by the research scholars for pursuing their investigation and teachers for purpose of teaching. Topies have been carefully chosen and have been described in separate chapters. Relevant references have been provided while describing the techniques so that users may consult the original text for their clarification. List of references on fungi as well as diseases affecting different crops, water, soil has been given for the benefit of uses.