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논문 기본 정보

자료유형
학술대회자료
저자정보
Sang Yeob Lee (Chungbuk National University) Kyungtae Park (Chungbuk National University) Boran Ji (Chungbuk National University) Hamin Lee (Chungbuk National University) Bo-Kook Jang (Chungbuk National University) Ju-Sung Cho (Chungbuk National University)
저널정보
한국원예학회 한국원예학회 학술발표요지 원예과학기술지 제39권 별호Ⅱ [초록집]
발행연도
2021.10
수록면
154 - 154 (1page)

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Amsonia elliptica (Thunb.) Roem. & Schult is a class two endangered wildlife designated by South Korea Ministry of Environment. Germination of A. elliptica seeds can be improved by chemical and physical scarifications but, they can cause the emergence of abnormal seedlings. Therefore, the study determined the dormancy type and non-destructive germination stimulating method for A. elliptica seeds. Seeds were collected in Miwon-myun, Cheongju-si, Chungcheongbuk-do 2019 and stored under 4°C before the experiments. Cleaned seeds have reached their maximum moisture content (54.6 ± 0.67%) in two days and the viability was shown to be 90 and 94% by tetrazolium test and X-ray vision respectively. All germination tests in the study were held in 25/15°C chamber with either 16/8h light/dark period (LD) or complete dark condition (D) for 30 days. To determine the dormancy type, seeds were either scarified until endosperm (UE) or intact endosperm (IE) then compared to non-scarified (NS) seeds. The seeds were soaked in distilled water or 100 ppm gibberellin solutions (GA₃, GA<SUB>4+7</SUB>) for two days in room temperature (25 ± 1°C) and were compared with NS seeds. For non-destructive stimulation, NS seeds were soaked in different types (GA₃, GA<SUB>4+7</SUB>) and concentrations (100, 500, 1000 and 2000 ppm) of gibberellins. Seeds were also soaked for various periods (2, 4, 7, and 14 d) in 500 ppm of GA<SUB>4+7</SUB>. Additionally, the seeds soaked in 500 ppm of GA<SU ... 전체 초록 보기

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