Article ; Online: Chlorophyll fluorescence and grain filling characteristic of wheat (Triticum aestivum L.) in response to nitrogen application level.
2022 Volume 49, Issue 7, Page(s) 7157–7172
Abstract: Background: This study aims to understand the influence of chlorophyll fluorescence parameters on yield of winter wheat in some areas of China. Nitrogen (N) application is believed to improve photosynthesis in flag leaf ultimately increase final yield.!# ...
| Abstract | Background: This study aims to understand the influence of chlorophyll fluorescence parameters on yield of winter wheat in some areas of China. Nitrogen (N) application is believed to improve photosynthesis in flag leaf ultimately increase final yield. Methods and results: To understand the response of chlorophyll fluorescence parameters of wheat, flag leaf and the effect of N fertilization was carried out at booting stage under greenhouse during year 2018-2019 using winter wheat cultivar "Yunhan-20410' 'Yunhan-618". The results showed that the maximum chlorophyll content of flag leaves occurred at booting stage. Under, Yunhan-20410 condition, maximum photochemical quantum efficiency (FV/Fm), potential activity (ΦPSII), potential activity of PSII (FV/FO), and photochemical quenching coefficient (qp) showed "high-low" variation, and the maximum values were observed between May 4 and May 12. However, Yunhan-20410 showed FV/Fm, FV/FO, and qp showed "low-high-low" curve at booting stage. Compared to Yunhan-618, Yunhan-20410 at booting stage significantly decreased FV/Fm, FV/FO, qp, and ΦPSII (P<0.05), and non-photochemical quenching (NPQ) significantly increased (P<0.05). Conclusion: The outcome of present investigation suggest that chlorophyll fluorescence parameters could be valuable insight to understand yield stability under stress condition. Moreover, the investigated parameters could be useful criteria for selection of genotypes under varying nitrogen application levels. |
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| MeSH term(s) | Chlorophyll ; Edible Grain ; Fluorescence ; Nitrogen ; Photosynthesis ; Plant Leaves ; Triticum/physiology |
| Chemical Substances | Chlorophyll (1406-65-1) ; Nitrogen (N762921K75) |
| Language | English |
| Publishing date | 2022-06-20 |
| Publishing country | Netherlands |
| Document type | Journal Article |
| ZDB-ID | 186544-4 |
| ISSN | 1573-4978 ; 0301-4851 |
| ISSN (online) | 1573-4978 |
| ISSN | 0301-4851 |
| DOI | 10.1007/s11033-022-07612-w |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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