A simple adaptive difference algorithm with CO2 measurements for evaluating plant growth under environmental fluctuations

The aim of this study is to demonstrate an adaptive method that is robust toward environmental fluctuations and provides a real-time measure of plant growth by measuring CO.sub.2 consumption. To verify the validity of the proposed method, the relation between the plant growth and variation in light...

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Bibliographic Details
Published in:BMC research notes 2022-02, Vol.15 (1), p.1-48, Article 48
Main Authors: Gonome, Hiroki, Yamada, Jun, Nishimura, Norito, Arai, Yuta, Hirai, Minoru, Kumagai, Naoki, Rajagopalan, Uma Maheswari, Kono, Takahiro
Format: Article
Language:English
Subjects:
Adaptive method
Algorithms
Analysis
Carbon dioxide
CO2 gas-exchange system
Environmental fluctuations
Evaluation
Experiments
Growth (Plants)
Growth rate
Humidity
Light emitting diodes
Measurement
Photosynthesis
Physiological aspects
Plant growth
Pulsed light
Research Note
Sensors
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Summary:The aim of this study is to demonstrate an adaptive method that is robust toward environmental fluctuations and provides a real-time measure of plant growth by measuring CO.sub.2 consumption. To verify the validity of the proposed method, the relation between the plant growth and variation in light conditions with a closed experimental system was investigated. The proposed method was used to measure the photosynthetic rate induced by photosynthetic photon flux density (PPFD) and to evaluate plant growth under continuous and pulsed light in arugula plants. The PPFD-dependent change in photosynthetic rate was measured. And in the condition range of 200-10,000 [mu]s pulse period and 50% duty ratio of pulsed light, there was no change in the growth rate of plants assuming the same PPFD as continuous light. These experiments showed the validity of the adaptive method in removing environmental fluctuations without precise control of temperature and humidity.
ISSN:1756-0500
1756-0500
DOI:10.1186/s13104-022-05929-0