학술논문
Germination Characteristics and Seedling Growth of Pseudolysimachion nakaianum (Ohwi) T. Yamaz. Seeds According to Light Quality Type
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- 영문명
- Germination Characteristics and Seedling Growth of Pseudolysimachion nakaianum (Ohwi) T. Yamaz. Seeds According to Light Quality Type
- 발행기관
- 인간식물환경학회
- 저자명
- 권혁환 오혜진 조원우
- 간행물 정보
- 『인간식물환경학회지(JPPE)』제26권 제5호, 477~485쪽, 전체 9쪽
- 주제분류
- 자연과학 > 자연과학일반
- 파일형태
- 발행일자
- 2023.10.31
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국문 초록
영문 초록
Background and objective: This study was conducted to understand the effect of different quality of light-emitting diodes(LED) on the germination characteristics and growth of Pseudolysimachion nakaianum.
Methods: The LED light irradiation was divided into white, red, blue, and red:blue (1:1). To investigate the germinationcharacteristics, 30 seeds were placed in a Petri dish in three replicates for 8 days. Average germination rate, germinationspeed, germination uniformity, and average germination time were measured. To investigate the growth of seedlings, plantheight, plant width, leaf length, leaf width, leaf number, fresh weight, dry weight and T/R ratio were examined 6 weeksafter sowing, and chlorophyll fluorescence (maximum quantum yield, electron transport rate) was measured.
Results: The final germination rate and germination speed were highest at red:blue (1:1) LED irradiation. Regarding growthand chlorophyll fluorescence measurements, red:blue LED showed the best growth results, with no significant differencein Fv/Fm between different types of light quality, and the electron transport rate was the highest under red:blue LEDirradiation. Also, total fresh/dry weight and T/R ratio were highest for red:blue LED, it is presumed to promote the biomassof entire plant.
Conclusion: The results proved that Pseudolysimachion nakaianum showed red LED conditions promoted germination, butcultivation under red:blue LED conditions is judged to be suitable for seedling growth and photosynthesis.
목차
Introduction
Research Methods
Results and Discussion
Conclusion
References
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