Abstract

                                The search for chemical substances to control plant and animal diseases started as soon as the microbial nature of the diseases. was established early in the nineteenth century.. At present several chemical substances, both inorganic and organic, are being used for combating these diseases. But the study of plant chemotherapy i, e. the treatment of plant diseases with chemicals which act within the host plant is a relatively recent subject and more and more attention, is being paid to it at present in the United States of America and in England. An attempt is made here to bring together the latest developments and findings in plant chemotherapy.

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