Operation of photosynthetic apparatus of citrus leaves in winter and spring
Optimum temperature for photosynthesis of citrus leaves planted in field was lower in winter than in spring, and it was higher than environmental temperature in winter. In the winter, the net photosynthetic rate (Pn), Rubisco activity, rate of RuBP regeneration, apparent quanturn yield (AQY), photoc...
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| Format: | Article |
| Language: | English |
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Zhejiang University Press
2006-07-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
| Subjects: | |
| Online Access: | https://www.academax.com/doi/10.3785/1008-9209.2006.04.0410 |
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| _version_ | 1849706915976708096 |
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| author | ZENG Guang-hui GUO Yan-ping WANG Fa-ge WU Zhen-wang |
| author_facet | ZENG Guang-hui GUO Yan-ping WANG Fa-ge WU Zhen-wang |
| author_sort | ZENG Guang-hui |
| collection | DOAJ |
| description | Optimum temperature for photosynthesis of citrus leaves planted in field was lower in winter than in spring, and it was higher than environmental temperature in winter. In the winter, the net photosynthetic rate (Pn), Rubisco activity, rate of RuBP regeneration, apparent quanturn yield (AQY), photochemical efficiency of PS Ⅱ (Fv/Fm), photochemical efficiency under light (Fv′/Fm′), photochemical quenching coefficient (qP), and electron transport rate (ETR) were lower, but the ratio of internal CO<sub>2</sub> concentration (Ci) to air CO<sub>2</sub> concentration (Ca), and non-photochemical quenching coefficient (qN) were higher, PSⅡ reaction centers were reversibly inactivated or damaged. These results indicated that the optimum temperature for photosynthesis of citrus leaves was adaptable to the changing natural environmental temperature. Low temperature in winter limited photosynthetic carbohydrate metabolism and photochemical reaction caused low photosynthesis. |
| format | Article |
| id | doaj-art-b143a81d3559478dae4d87f28af55eeb |
| institution | DOAJ |
| issn | 1008-9209 2097-5155 |
| language | English |
| publishDate | 2006-07-01 |
| publisher | Zhejiang University Press |
| record_format | Article |
| series | 浙江大学学报. 农业与生命科学版 |
| spelling | doaj-art-b143a81d3559478dae4d87f28af55eeb2025-08-20T03:16:04ZengZhejiang University Press浙江大学学报. 农业与生命科学版1008-92092097-51552006-07-013241041410.3785/1008-9209.2006.04.041010089209Operation of photosynthetic apparatus of citrus leaves in winter and springZENG Guang-huiGUO Yan-pingWANG Fa-geWU Zhen-wangOptimum temperature for photosynthesis of citrus leaves planted in field was lower in winter than in spring, and it was higher than environmental temperature in winter. In the winter, the net photosynthetic rate (Pn), Rubisco activity, rate of RuBP regeneration, apparent quanturn yield (AQY), photochemical efficiency of PS Ⅱ (Fv/Fm), photochemical efficiency under light (Fv′/Fm′), photochemical quenching coefficient (qP), and electron transport rate (ETR) were lower, but the ratio of internal CO<sub>2</sub> concentration (Ci) to air CO<sub>2</sub> concentration (Ca), and non-photochemical quenching coefficient (qN) were higher, PSⅡ reaction centers were reversibly inactivated or damaged. These results indicated that the optimum temperature for photosynthesis of citrus leaves was adaptable to the changing natural environmental temperature. Low temperature in winter limited photosynthetic carbohydrate metabolism and photochemical reaction caused low photosynthesis.https://www.academax.com/doi/10.3785/1008-9209.2006.04.0410citrusphotosynthesischlorophyll fluorescencephotosynthetic apparatustemperature |
| spellingShingle | ZENG Guang-hui GUO Yan-ping WANG Fa-ge WU Zhen-wang Operation of photosynthetic apparatus of citrus leaves in winter and spring 浙江大学学报. 农业与生命科学版 citrus photosynthesis chlorophyll fluorescence photosynthetic apparatus temperature |
| title | Operation of photosynthetic apparatus of citrus leaves in winter and spring |
| title_full | Operation of photosynthetic apparatus of citrus leaves in winter and spring |
| title_fullStr | Operation of photosynthetic apparatus of citrus leaves in winter and spring |
| title_full_unstemmed | Operation of photosynthetic apparatus of citrus leaves in winter and spring |
| title_short | Operation of photosynthetic apparatus of citrus leaves in winter and spring |
| title_sort | operation of photosynthetic apparatus of citrus leaves in winter and spring |
| topic | citrus photosynthesis chlorophyll fluorescence photosynthetic apparatus temperature |
| url | https://www.academax.com/doi/10.3785/1008-9209.2006.04.0410 |
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