This document discusses techniques for detecting diseases in plant leaves using image processing. It presents a new technique that uses image segmentation and enhancement to identify diseases by examining leaf color. The technique could help farmers more quickly detect plant diseases and determine appropriate treatment. The document provides background on challenges farmers face, existing disease detection methods, and how MATLAB and its image processing toolbox can be used to analyze plant leaf images and convert between data types for analysis. In conclusion, it asserts that the presented technique of analyzing leaf color could revolutionize agricultural disease detection.