Main Article Content
Cabbage plant can be attacked with various kinds of diseases, these diseases can be known from the symptoms caused, but to know exactly the type of disease that attacks requires an expert / agricultural expert, while the number of agricultural experts is limited and cannot solve the problems of farmers at the same time, so we need a system that has the ability like an expert, where this system contains the expertise of an agricultural expert regarding cabbage plant diseases. In this study, an expert system was designed using the backward chaining method which was intended to assist farmers in diagnosing cabbage plant diseases. This expert system was developed using the PHP programming language with mysql database. This expert system is able to diagnose cabbage plant diseases by asking for symptoms of the disease at the time of examination, based on the symptoms that appear, this system will provide diagnostic results and then display the disease and solutions for the cabbage plant.