This project is coporated with 3 universities and 1 high school in Kyushu and 1 university in Shikoku. From south, Takakuma University Forest (Kagosihma Uni versity), Tano University Forest (Miyazaki University), Miyazaki University Forest (Kyushu University), Mihana School Forest (Hita Forestry and Technical High School), Kasuya University Forest (Kyushu University), and Komenono University Forest (Ehime University) are located as shown in Fig. 1. The main object of this study is to examine the characteristics of Sugi cultivated varieties (cultivars) in Kyushu by means of statistical experimentation. Sugi in Kyushu has many cultivars which are usually propagated by cutting. From 1968 to 1970, six local cultivars; A: Kumotooshi, B: Yaichi,...