MIC-100, a new system for high-throughput phenotyping of instantaneous leaf photosynthetic rate in the field
Photosynthesis occurs mainly in plant leaves and is a fundamental process in the global carbon cycle and in crop production. The exploitation of natural genetic variation in leaf photosynthetic capacity is a promising strategy to meet the increasing demand for crops. The present study reports the newly developed photosynthesis measurement system 'MIC-100,' with a higher throughput for measuring instantaneous photosynthetic rate in the field. MIC-100 is established based on the closed system and directly detects the CO2 absorption in the leaf chamber. The reproducibility, accuracy, and measurement throughput of MIC-100 were tested using soybean (Glycine max L. (Merr.)) and rice (Oryza sativa L.) grown under field conditions. In most cases, the coefficient of variance (CV) for repeated-measurements of the same leaf was less than 0.1. The photosynthetic rates measured with the MIC-100 model showed a significant correlation (R2 = 0.93-0.95) with rates measured by a widely used gas-exchange system. The measurement throughput of the MIC-100 is significantly greater than that of conventional open gas-exchange systems under field conditions. Although MIC-100 solely detects the instantaneous photosynthetic rate under a given environment, this study demonstrated that the MIC-100 enables the rough evaluation of leaf photosynthesis within the large-scale plant populations grown in the field.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:49 |
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| Enthalten in: |
Functional plant biology : FPB - 49(2022), 6 vom: 01. Mai, Seite 496-504 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Tanaka, Yu [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 11.05.2022 Date Revised 13.12.2023 published: Print Citation Status MEDLINE |
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| doi: |
10.1071/FP21029 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Photosynthesis occurs mainly in plant leaves and is a fundamental process in the global carbon cycle and in crop production. The exploitation of natural genetic variation in leaf photosynthetic capacity is a promising strategy to meet the increasing demand for crops. The present study reports the newly developed photosynthesis measurement system 'MIC-100,' with a higher throughput for measuring instantaneous photosynthetic rate in the field. MIC-100 is established based on the closed system and directly detects the CO2 absorption in the leaf chamber. The reproducibility, accuracy, and measurement throughput of MIC-100 were tested using soybean (Glycine max L. (Merr.)) and rice (Oryza sativa L.) grown under field conditions. In most cases, the coefficient of variance (CV) for repeated-measurements of the same leaf was less than 0.1. The photosynthetic rates measured with the MIC-100 model showed a significant correlation (R2 = 0.93-0.95) with rates measured by a widely used gas-exchange system. The measurement throughput of the MIC-100 is significantly greater than that of conventional open gas-exchange systems under field conditions. Although MIC-100 solely detects the instantaneous photosynthetic rate under a given environment, this study demonstrated that the MIC-100 enables the rough evaluation of leaf photosynthesis within the large-scale plant populations grown in the field | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Imamura, Ayumu |e verfasserin |4 aut | |
| 700 | 1 | |a Mukai, Ryo |e verfasserin |4 aut | |
| 700 | 1 | |a Sukemura, Shun |e verfasserin |4 aut | |
| 700 | 1 | |a Sakoda, Kazuma |e verfasserin |4 aut | |
| 700 | 1 | |a Adachi, Shunsuke |e verfasserin |4 aut | |
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