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The book Virus and Plant Diseases provides thorough information about virus and vital plant diseases. It covers origin, evolution, phylogeny, history, occurrence, nature, structure, symmetry, reproduction and classification of virus. Major groups of plant pathogenic viruses and plant diseases are also discussed. The book illustrates the information explicit through 41 figures and 21 tables. At the end of the book several references are given for further study. The scope of virology is expanding so rapidly that it is impossible to present all of it in a book which a student new to the field can cover in a single course. We have, therefore, tried to present selected portions of virology in sufficient detail that the student can understand them through reading the book. The primary aim of the text book is to present a succinet account of the essential features of the virus in a form suitable for students. Efforts have been made to include only sound fundamental material to give the begineer a solid foundation for more advanced work on the subject. Emphasis is placed on thee use of chemistry for a clearer understanding of the composition of virusus and the reactions they produce. The book uses up-to-date examples to show how precise hypotheses may be formulated and tested experimentally. Special efforts have been made to explain ideas in non-mathematical terms. The primary aim throughout has been clarity, simplicity and the high standard. The book will definitely prove to be a boon to teachers, students and research workers in the related field. Contents: Introduction, Structure of Virus, Classification of Virus, Plant Viruses, Plant Viral Diseases.