한국환경농학회지 (Korean Journal of Environmental Agriculture)

  • 제42권4호
  • /
  • Pages.324-330
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  • 2023
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  • 1225-3537(pISSN)
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  • 2233-4173(eISSN)
한국환경농학회 (The Korean Society of Environmental Agriculture)
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개살구나무(Prunus mandshurica)의 종자휴면과 발아특성

Seed Dormancy and Germination Characteristics of Prunus mandshurica (Maxim.) Koehne

  • 양승혁 (배재대학교 원예산림학과) ;
  • 권영현 (배재대학교 원예산림학과) ;
  • 김예은 (배재대학교 원예산림학과) ;
  • 고충호 (국립수목원 식물자원연구과) ;
  • 이승연 (국립안동대학교 스마트원예과학과) ;
  • 이용하 (배재대학교 원예산림학과)
  • Seung Hyuk Yang (Department of Horticulture and Forestry, Pai Chai University) ;
  • Young Hyun Kwon (Department of Horticulture and Forestry, Pai Chai University) ;
  • Ye Eun Kim (Department of Horticulture and Forestry, Pai Chai University) ;
  • Chung Ho Ko (Division of Plant Resources, Korea National Arboretum) ;
  • Seung Youn Lee (Department of Smart Horticultural Science, Andong National University) ;
  • Yong Ha Rhie (Department of Horticulture and Forestry, Pai Chai University)
  • 투고 : 2023.11.22
  • 심사 : 2023.12.04
  • 발행 : 2023.12.31
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초록

This study was conducted to determine the dormancy types and optimal germination conditions of Prunus mandshurica seeds. The pericarp of P. mandshurica seeds was presumed to be the reason for their poor water absorption. After the pericarp was removed with a razor blade, germination was observed to be less than 20.0% at all temperatures except at 5℃, suggesting the presence of physiological dormancy. Germination gradually increased at 5℃ after the removal of seed coat, reaching a final germination rate of 86.7% at 14 weeks of incubation. Based on these results, P. mandshurica seeds have a physiological dormancy. When seeds with removed pericarp were subjected to cold stratification, the germination percentage (rate) in the control group was low even at 16 weeks; however, the germination percentages in the 4, 8, and 12-week cold stratification groups were notably high with 93.3, 73.3, and 100.0%, respectively. The control group in the GA3 treatment experiment with seed coats removed showed minimal germination, but at 10 weeks, the germination percentage rose to 98.3% when treated with GA3 at 100 mg/L. Thus, it is necessary to scarify or completely remove the pericarp of P. mandshurica seeds to promote germination. After pericarp removal, it is important to subject the seeds to cold stratification at 5℃ for at least 4 weeks or treat them with GA3 at 100 mg/L.

키워드

과제정보

This research was supported by the Korea National Arboretum (Study on the development of propagation and seedling cultivation techniques of plants native to Korea, grant no. KNA1-2-40, 21-3) and the Korea Institute of Planning and Evaluation for Technology in Food, Agriculture and Forestry (IPET) through the Technology Commercialization Support Program, funded by the Ministry of Agriculture, Food and Rural Affairs (MAFRA) (821068-3).

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