Studies on Germination Rates and Early Seedling Growth Characteristics by Different Storing Temperatures, Durations, and Methods in Aralia cordata var. continentalis (Kitagawa) Y.C.Chu
2013
Lee, G.A., Chungbuk National University, Cheongju, Republic of Korea. | Kim, D.H., Chungbuk National University, Cheongju, Republic of Korea. | Kim, M.S., Chungbuk National University, Cheongju, Republic of Korea. | Wu, W.G., Chungbuk National University, Cheongju, Republic of Korea. | Kim, Y.G., RDA, Eumseong, Republic of Korea. | Ahn, Y.S., RDA, Eumseong, Republic of Korea. | Park, C.B., RDA, Eumseong, Republic of Korea. | Song, B.H., Chungbuk National University, Cheongju, Republic of Korea.
This study was conducted to improve the managing and storing methods of the seeds of Aralia cordata var. continentalis (Kitagawa) Y.C.Chu, to examine the viability and the germination ability of seeds with different storing conditions and methods, and to develop new ways to propagate and have better healthy seedling. Therefore, the germination rate, days required for germinating seeds, and early growth responses of Aralia cordata var. continentalis (Kitagawa) Y.C.Chu were investigated with different storing temperatures, durations and methods. The germination rate was higher in stratified storage than that in dry storage condition. The highest germination rate was with outdoor temperature at 30 days after stratified storage. The days required for germinating seeds were less than 10 days with the treatment of 25℃ and outdoor temperature in stratified storage. In dry condition, they were shorter with 4℃ and 25℃ than those with -20℃ and outdoor temperature. Leaf number of seedling was higher in stratified storage compared to that in dry condition, while it was not clearly different according to storage temperatures and durations. Leaf length and leaf width of seedling was not difference among the treatment of storage methods, temperatures, and durations. Stem length of seedling was higher in stratified storage than those in dry condition, while root length was not clearly different among the treatments. It would be assumed that temperatures, methods and durations of storage could affect much to the germination rate and the early seedling growth response.
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