Standardization of LED irradiation based on quantum yield of photosystem II in a plant factory with artificial lighting
| Project/Area Number |
15K07664
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Agricultural environmental engineering/Agricultural information engineering
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| Research Institution | Shinshu University |
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Principal Investigator |
Nozue Masayuki 信州大学, 学術研究院繊維学系, 特任教授 (30135165)
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| Research Collaborator |
NOZUE Hatsumi 信州大学, 繊維学部, 特任准教授 (30218325)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Keywords | 人工光型植物工場 / 光化学系II / 量子収率 / 光質 / 光強度 / 遠赤色光 / 消費電力 / 白色LED / クロロフィル蛍光測定 / ΦII / 光阻害 / 省エネルギー / LED / ETR / 光量 |
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| Outline of Final Research Achievements |
The availability of the quantum yield of PSII (Φ II) as an index for the evaluation of photosynthetic environment was validated in a plant factory with LED lighting. The relationship between light quality and power consumption in vegetable production was also investigated using various white LEDs that have a broad spectrum. It was shown the existence of the appropriate ratios between the light intensity of blue, red and far-red for the efficient production of vegetables. The photoinhibition caused by high intensity of the red light was alleviated by light supplement with far-red. The present studies suggested that the optimization of both light quality and intensity is essential and the measurement of Φ II makes it possible to evaluate the photosynthetic environment needed for the efficient vegetable production.
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Report
(4 results)
Research Products
(17 results)
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[Presentation] The characteristics of functional photosystems in mature leaves that support leaf longevity in Arabidopsis thaliana2016
Author(s)
Saruta, R., Fukuda, S., Nozue, H., Kumazaki, S. and Nozue, M
Organizer
The 57th Annual Meeting of The Japanese Society of Plant Physiologists
Place of Presentation
Iwate University, Ueda Campus (3-18-8 Ueda, Morioka, Iwate, Japan)
Year and Date
2016-03-18
Related Report
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