Expert System of Black Orchid Cultivation using Certainty Factor Method

Black Orchid is a typical plant originating from Borneo Island. Black orchid is protected because its presence in nature that begins to extinct. Therefore, cultivation and multiplication are urgently needed in order to overcome the extinction of black orchid. Yet, the cultivation of black orchids is a difficult thing to do. This is caused by the lack of information or knowledge in cultivating black orchid. This study was conducted by employing Certainty Factor method in expert system design that allowed users to know the conditions that happened in accordance with the selected symptoms of the black orchid. Moreover, the results showed that the expert system used in Certainty Factor method contributed to providing the condition analysis experienced by black orchid in accordance with the symptoms that have been selected. Furthermore, this system was also able to provide solutions to the conditions that occurred. In addition to that, based on the previous results of validity tests, this expert system contributed to yield accuracy results of 100%. Thus, these results indicate the suitability of information generated by the system with information from experts as well as observations of conditions performed on black orchid plants.