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2020 Vol.32, Issue 1 Preview Page

Research Article

Effects of Storage Periods on Germination of Larix kaempferi Seeds

낙엽송 종자 저장 기간에 따른 발아 특성

J. H. Kim1
,
H. I. Sung2
,
K. S. Choi3
,
J. J. Kim2
,
C. O. Won4
,
K. S. Song5*
김 정훈1
,
성 환인2
,
최 규성3
,
김 종진2
,
원 창오4
,
송 기선5*
1Master’s Course, Department of Forestry and Landscape Architecture, Konkuk University, Seoul 05029, Korea
2Professor, Department of Forestry and Landscape Architecture, Konkuk University, Seoul 05029, Korea
3Researcher, Plant Propagation and Reproduction Division, Baekdudaegan National Arboretum, Bonghwa 36209, Korea
4Curator, Plant Propagation and Reproduction Division, Baekdudaegan National Arboretum, Bonghwa 36209, Korea
5Research Manager, Plant Propagation and Reproduction Division, Baekdudaegan National Arboretum, Bonghwa 36209, Korea
1건국대학교 산림조경학과 석사과정
2건국대학교 산림조경학과 교수
3국립백두대간수목원 식물양묘실 대리
4국립백두대간수목원 식물양묘실 실장
5국립백두대간수목원 식물양묘실 팀장
* Corresponding Author
31 March 2020. pp. 20-33
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Abstract

This study was conducted to survey the germination characteristics of the seeds of Larix kaempferi, which is a major plantation species in Korea, according to the storage period. The germination experiment was conducted at 25°C, targeting seeds collected in 1996, 2004, 2008, 2009, 2010, and 2011. Prior to the germination experiment, seeds were subjected to different soaking treatments for 1, 2, 3, and 7 days including non-treatment. The germination rate in L. kaempferi seeds was observed to be higher in those that were collected recently; that is, the seeds that were stored for a shorter period of time. The germination rate of the seeds collected in 2011, which were stored immediately after collection, was 20.7%. The seeds from 1996 and 2004 did not germinate at all. The seeds from the year 2008 showed the lowest germination rate at 2.7%. The whole T50 of the test-subjected seeds was observed to be 3-7 days. Germination uniformity tended to decrease with shorter storage period. Soaking treatment lowered the mean germination time and uniformity, except for the stored seeds (collected in 1996 and 2004), which did not germinate. Based on the results of these experiments, such as a reduction in germination rate according to the seed storage period, it seems likely that more detailed investigations into the changes in seed viability and storage management are needed with respect to L. kaempferi seeds.

Keywords
Germination rate
Larix kaempferi
Optimum temperature
Production year
Soaking treatmen
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Information
  • Publisher :Agriculture and Life Sciences Research Institute, Kangwon National University
  • Publisher(Ko) :None
  • Journal Title :Journal of Agricultural, Life and Environmental Sciences
  • Volume : 32
  • No :1
  • Pages :20-33
  • Received Date : 2019-12-04
  • Revised Date : 2020-01-23
  • Accepted Date : 2020-01-23
  • DOI :https://doi.org/10.22698/jales.20200003
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