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Variation of Seed Viability among Cone Harvest Times at Two Clonal Seed Orchards of Chamaecyparis obtusa

첫 페이지 보기
  • 발행기관
    강원대학교 산림과학연구소 바로가기
  • 간행물
    Journal of Forest and Environmental Science KCI 등재 바로가기
  • 통권
    제38권 제4호 (2022.12)바로가기
  • 페이지
    pp.256-262
  • 저자
    Da-Eun Gu1,2, Ji-Hee Jeong, Ye-Ji Kim, Kyu-Suk Kang
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A423147

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원문정보

초록

영어
The timing of seed harvesting is an important decision in the management of seed orchards because it affects seed quality and yield. To investigate the effect of cone harvest time on seed quality and determine the optimal harvesting time, cones were regularly collected in seven times and germination tests were performed at each harvest time in two clonal seed orchards of Chamaecyparis obtusa. As cones developed, the percentage of seed germination increased before cone moisture content began to decrease significantly. The moisture contents of cones were highest at the first collection as 68.3% and 67.3% in Jeju and Gochang seed orchards respectively. At this time, germination speed was slowest, indicating poor seed vigour. The highest germination was found at the second stage in Jeju (36.5%) and at the seventh stage in Gochang (28.6%) seed orchard. The germination speed increased as cone moisture content decreased. Additionally, changes of seed vigour differed among the developmental stages in both seed orchards. Consequently, the optimal cone harvest time of C. obtusa seed orchards in Jeju was early September when high germination percentage was obtained. In Gochang seed orchards, late October was optimal cone harvest time when the germination speed was fast and the cone moisture content decreased.

목차

Abstract
Introduction
Materials and Methods
Seed harvest and cone moisture content
Seed germination test and germination parameters
Statistical analysis
Results
Relationship between cone moisture content and harvest time
Effect of cone harvest time on germination parameters
Correlation between cone moisture content and seed germination
Discussion
Acknowledgements
References

키워드

cone moisture content seed maturation seed viability seed vigour hinoki

저자

  • Da-Eun Gu1,2 [ Department of Seed and Seedling Management, National Forest Seed and Variety Center, Korea Forest Service, Department of Agriculture, Forestry and Bioresources, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea ]
  • Ji-Hee Jeong [ Department of Seed and Seedling Management, National Forest Seed and Variety Center, Korea Forest Service, Chungju 27495, Republic of Korea ]
  • Ye-Ji Kim [ Department of Agriculture, Forestry and Bioresources, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea ]
  • Kyu-Suk Kang [ Department of Agriculture, Forestry and Bioresources, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea ] Corresponding author

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    강원대학교 산림과학연구소 [Institute of Forest Science Kangwon National University]
  • 설립연도
    1975
  • 분야
    농수해양>임학
  • 소개
    강원대학교부설산림과학연구소(이하 “연구소”라 한다)는 산림에 관한 제반 학술적 연구를 통하여 산림자원의 효용을 밝히고 임업 및 임산업의 발전에 기여함을 목적으로 한다.

간행물

  • 간행물명
    Journal of Forest and Environmental Science [산림과학연구]
  • 간기
    계간
  • pISSN
    2288-9744
  • eISSN
    2288-9752
  • 수록기간
    1981~2025
  • 등재여부
    KCI 등재
  • 십진분류
    KDC 526 DDC 634

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