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2024 Vol.37, Issue 5 Preview Page

Research Article

Light-shading Effect on the Growth Performance, Leaf Morphological Characteristics and Chlorophyll Content of Myrica rubra Seedlings

소귀나무 유묘의 생장, 잎 형태적 특성 및 엽록소 함량에 대한 차광 효과

Hye Young Yun1
,
Hyeongju Kim2
,
Sim-Hee Han3
,
Eun-Young Yim4
윤 혜영1
,
김 형주2
,
한 심희3
,
임 은영4
1Principal Researcher, Braintree Biotechnology Institute, Seoul 02011, Korea
2Researcher, Braintree Biotechnology Institute, Seoul 02011, Korea
3Senior Researcher, Forest Bioresources Department, National Institute of Forest Science, Suwon 16631, Korea
4Researcher, Warm Temperate and Subtropical Forest Research Center, National Institute of Forest Science, Seogwipo 63582, Korea
1브레인트리생명공학연구소, 수석연구원
2브레인트리생명공학연구소, 연구원
3국립산림과학원 산림생명정보연구과, 연구관
4국립산림과학원 난대⸱아열대산림연구소, 연구사
*Corresponding Author
1 October 2024. pp. 547-554
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Abstract

This study attempted to present the most appropriate light conditions of Myrica rubra. The light-shading treatment was divided into 0%(control), 35%, 50%, and 75%, and after growing for six months, growth performance, leaf shape characteristics, and photosynthetic pigment content were investigated. The relative growth rate of the height was the highest in the 35% light-shading treatment and the lowest in the control, but the stem and root dry weight were the highest in the control and the lowest in the 75% light-shading treatment. The number of branches was also the highest in the control, and the 55% light-shading treatment was the least. The leaves of M. rubra were the smallest and thickest in the control, and the leaf area widened with an increase in the light-shading rate, and the thickness decreased. Chlorophyll a, b, and total chlorophyll content were highest in the 35% light-shading treatment and lowest in the 75% light-shading treatment. The carotenoid content was highest in the control and lowest in the 75% light-shading treatment. Therefore, it is judged that the appropriate light conditions for the M. rubra are the most appropriate to have less chlorophyll destruction and 35% light-shading conditions that can sustain stem growth and biomass.

Keywords
Carotenoid
Dry weight
Leaf area
Light condition
Relative growth rate
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Information
  • Publisher :The Plant Resources Society of Korea
  • Publisher(Ko) :한국자원식물학회
  • Journal Title :Korean Journal of Plant Resources
  • Journal Title(Ko) :한국자원식물학회지
  • Volume : 37
  • No :5
  • Pages :547-554
  • Received Date : 2024-08-06
  • Revised Date : 2024-09-26
  • Accepted Date : 2024-09-26
  • DOI :https://doi.org/10.7732/kjpr.2024.37.5.547
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