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Background : Peucedanum japonicum Thunberg is herbaceous plant belonging to the umbelliferea. Its root is used as a herbal medicine. Recently, it is cultivated as one of the crops which are attracting attention as a new income crops by using leaf. It is cultivated as native variety and has no standard variety. As a first step to expand cultivation in Korea, we investigated growth characteristics of P. japonicum Thunberg which were collected from domestic regions to select standard variety for P. japonicum Thunberg.
Methods and Results : From April in 2017 to June in 2018, total 245 individuals of Peucedanum japonicum Thunberg in forms of seedling from 24 locations including 7 Chungnam, 10 Gyeongbuk, 2 Jeonnam, 1 Gangwon and 4 Jeju were collected and 40 × 20 ㎝ intervals transplanted. In August 2018, the research was carried out on 4 qualitative traits such as stem color, peduncle color, and 11 qualitative traits such as plant height, leaf length, and leaf width based on the test guidelines. As a result, the 21 - 2 species collected in Jeju showed the best growth with 88.0 ㎝ plant height, 267 leaf number, and 174 peduncle number. A total of 245 collecting species were classified into 4 qualitative traits. The stem color was classified into green 125, red green 98, crimson green 21, and light green 1. The 114 species which were developed into flower were divided into green 94, red green 17, crimson green 2, and light green 1, and immature seed color was classified into green 88 and red green 26. The anthocyanin expression was excellent, and the total number of stem color, peduncle color, and immature seed color were 7 collecting species. The inflorescence type was classified into 54 semi-circular type, 47 straight type, 12 spread type. The 4 - 4 species collected in Taean were not registered in the test guidelines, and the compound umbel and cyme were appeared together.
Conclusion : The growth characteristics show various differences among collection areas. It is considered that the superior lines can be selected as a standard variety breeding material by comparing the growth characteristics of the collected species.
