Seed and Germination Characteristics of Allium koreanum H.J. Choi and B.U. Oh for Effective Propagation
2023
Hwang, H.S. | Hwang, J.H. | Yun, J.H. | Hwang, S.Y. | Park, J.E. | Oh, H.E. | Lee, S.J. | Park, J.M. | Hwang, S.J.
Native plants are unique genetic resources that have the potential to be used as ornamental, medical, and food resources. Allium koreanum H.J. Choi & B.U. Oh is one of the native plants distributed in the coastal rocky land of Korea, which has high conservation value due to climate change and reduction of its habitat. This study was conducted to investigate the effects of temperature and hydrogen peroxide on the germination of A. koreanum. The seeds were prepared as untreated (control) or those treated with 1% hydrogen peroxide for 90 minutes (H₂O₂), and the treatments were placed in plant growth chambers set at 15, 20, and 25℃. Regardless of the H₂O₂ treatment, the germination percentage at 15℃, which was 42%, was more than two times higher than that at 20℃ and 25℃, which were 18% and 0%, respectively, 23 days after sowing. The number of days to attain 50% of the final germination percentage (T50) was the shortest at 20℃, but the mean daily germination (MDG) was the highest at 15℃. Therefore, 1% of H₂O₂ treatment did not have a significant effect on the germination percentage of A. koreanum, and a temperature of 15℃ was considered to be optimum to increase the germination percentage of A. koreanum. The results of this study can be used as basic research data for the germination of A. koreanum.
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