Effects of long-term ozone exposure on citrus: Chlorophyll a fluorescence and gas exchange
Three-years-old trees of Satsuma mandarin (Citrus unshiu [Mak.] Marc.) cv. Okitsu were exposed to O-3 fumigation during long term (one year) in open-top chambers. As a result of the treatment, chlorophyll a fluorescence and gas exchange parameters were modified with respect to trees growing in O-3-f...
| Autores principales: | , , , |
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| Formato: | article |
| Lenguaje: | Inglés |
| Publicado: |
2017
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| Acceso en línea: | http://hdl.handle.net/20.500.11939/4915 |
| _version_ | 1855032196053598208 |
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| author | Calatayud, Ángeles Iglesias, Domingo J. Talón, Manuel Barreno, Eva |
| author_browse | Barreno, Eva Calatayud, Ángeles Iglesias, Domingo J. Talón, Manuel |
| author_facet | Calatayud, Ángeles Iglesias, Domingo J. Talón, Manuel Barreno, Eva |
| author_sort | Calatayud, Ángeles |
| collection | ReDivia |
| description | Three-years-old trees of Satsuma mandarin (Citrus unshiu [Mak.] Marc.) cv. Okitsu were exposed to O-3 fumigation during long term (one year) in open-top chambers. As a result of the treatment, chlorophyll a fluorescence and gas exchange parameters were modified with respect to trees growing in O-3-free conditions. Net photosynthetic rate and stomatal conductance decreased and intercellular CO2 concentration increased according to a reduction of the non-cyclic electron flow and a lower capacity to reduce the quinone pool. O-3 also reduced the development of non-photochemical quenching preventing the dissipation of excess excitation energy and, therefore, generated several alterations in photosynthetic apparatus. All these effects were obtained in long-term exposure and higher O-3 concentration. In O-3 ambient conditions, the effects were minor. |
| format | article |
| id | ReDivia4915 |
| institution | Instituto Valenciano de Investigaciones Agrarias (IVIA) |
| language | Inglés |
| publishDate | 2017 |
| publishDateRange | 2017 |
| publishDateSort | 2017 |
| record_format | dspace |
| spelling | ReDivia49152025-04-25T14:44:55Z Effects of long-term ozone exposure on citrus: Chlorophyll a fluorescence and gas exchange Calatayud, Ángeles Iglesias, Domingo J. Talón, Manuel Barreno, Eva Three-years-old trees of Satsuma mandarin (Citrus unshiu [Mak.] Marc.) cv. Okitsu were exposed to O-3 fumigation during long term (one year) in open-top chambers. As a result of the treatment, chlorophyll a fluorescence and gas exchange parameters were modified with respect to trees growing in O-3-free conditions. Net photosynthetic rate and stomatal conductance decreased and intercellular CO2 concentration increased according to a reduction of the non-cyclic electron flow and a lower capacity to reduce the quinone pool. O-3 also reduced the development of non-photochemical quenching preventing the dissipation of excess excitation energy and, therefore, generated several alterations in photosynthetic apparatus. All these effects were obtained in long-term exposure and higher O-3 concentration. In O-3 ambient conditions, the effects were minor. 2017-06-01T10:11:20Z 2017-06-01T10:11:20Z 2006 2006 article Calatayud, A., Iglesias, D. J., Talón, M., Barreno, E. (2006). Effects of long-term ozone exposure on citrus: Chlorophyll a fluorescence and gas exchange. Photosynthetica, 44(4), 548-554. 0300-3604 http://hdl.handle.net/20.500.11939/4915 10.1007/s11099-006-0070-1 en openAccess Impreso |
| spellingShingle | Calatayud, Ángeles Iglesias, Domingo J. Talón, Manuel Barreno, Eva Effects of long-term ozone exposure on citrus: Chlorophyll a fluorescence and gas exchange |
| title | Effects of long-term ozone exposure on citrus: Chlorophyll a fluorescence and gas exchange |
| title_full | Effects of long-term ozone exposure on citrus: Chlorophyll a fluorescence and gas exchange |
| title_fullStr | Effects of long-term ozone exposure on citrus: Chlorophyll a fluorescence and gas exchange |
| title_full_unstemmed | Effects of long-term ozone exposure on citrus: Chlorophyll a fluorescence and gas exchange |
| title_short | Effects of long-term ozone exposure on citrus: Chlorophyll a fluorescence and gas exchange |
| title_sort | effects of long term ozone exposure on citrus chlorophyll a fluorescence and gas exchange |
| url | http://hdl.handle.net/20.500.11939/4915 |
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