The objective of this paper is to clarify the feature and difficulty of correspondence of high quality fruits production. The Maana district, known as a bland mandarin producing area, realizes correspondence of high quality fruits production, with each farmer organization cooperating and carrying out role assignment. On the other hand, this district has a problem in reservation of the labor force required for production of high quality fruits, and in addition, there is a limit in the excessive strategy of high sugar content. For improving correspondence of high quality fruits production, it is important to utilize optical sensor data for systematic mandarin production from now on.
