Assessment of salt tolerance in Populus alba clones using chlorophyll fluorescence
Cuttings of five Populus alba clones (S18 F1-26, A129 F8-35, J3 F1-4, GU1 F16-36, PO9 F21-88), Populus euphratica, and Populusxeuramericana (I-214) were submitted during 45 d to regular watering with NaCl solutions of electrical conductivity of 7 and 14 dS m-1. Chlorophyll a fluorescence in response to the salinity stress was assessed, using F0 and F v/Fm. Differences in reaction to the salt were found in P. alba clones, F0 and Fv/Fm being the fluorescence parameters used to check out this stress. Minimal constant fluorescence of dark-adapted plants (F0) showed a better correlation with the disease index exhibited by plants and also with salinity dose than the parameter Fv/Fm. Some of the P. alba clones showed the same behaviour, assessed through fluorescence parameters, as P. euphratica, which was previously defined as salt tolerant, while the rest exhibited the same characteristics as I-214, which was very sensitive.
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Academy of Sciences of the Czech Republic
2006
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Subjects: | Disease index, Photosystem 2, Salinity, |
Online Access: | http://hdl.handle.net/20.500.12792/5489 http://hdl.handle.net/10261/294074 |
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dig-inia-es-10261-2940742023-02-20T10:35:01Z Assessment of salt tolerance in Populus alba clones using chlorophyll fluorescence Sixto Blanco, Hortensia Concepción Aranda García, Ismael Grau, J. M. Disease index Photosystem 2 Salinity Cuttings of five Populus alba clones (S18 F1-26, A129 F8-35, J3 F1-4, GU1 F16-36, PO9 F21-88), Populus euphratica, and Populusxeuramericana (I-214) were submitted during 45 d to regular watering with NaCl solutions of electrical conductivity of 7 and 14 dS m-1. Chlorophyll a fluorescence in response to the salinity stress was assessed, using F0 and F v/Fm. Differences in reaction to the salt were found in P. alba clones, F0 and Fv/Fm being the fluorescence parameters used to check out this stress. Minimal constant fluorescence of dark-adapted plants (F0) showed a better correlation with the disease index exhibited by plants and also with salinity dose than the parameter Fv/Fm. Some of the P. alba clones showed the same behaviour, assessed through fluorescence parameters, as P. euphratica, which was previously defined as salt tolerant, while the rest exhibited the same characteristics as I-214, which was very sensitive. 2023-02-20T10:35:01Z 2023-02-20T10:35:01Z 2006 journal article Photosynthetica 44(2): 169-173 (2006) 0300-3604 http://hdl.handle.net/20.500.12792/5489 http://hdl.handle.net/10261/294074 10.1007/s11099-006-0002-0 1573-9058 en none Academy of Sciences of the Czech Republic |
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Disease index Photosystem 2 Salinity Disease index Photosystem 2 Salinity Sixto Blanco, Hortensia Concepción Aranda García, Ismael Grau, J. M. Assessment of salt tolerance in Populus alba clones using chlorophyll fluorescence |
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Cuttings of five Populus alba clones (S18 F1-26, A129 F8-35, J3 F1-4, GU1 F16-36, PO9 F21-88), Populus euphratica, and Populusxeuramericana (I-214) were submitted during 45 d to regular watering with NaCl solutions of electrical conductivity of 7 and 14 dS m-1. Chlorophyll a fluorescence in response to the salinity stress was assessed, using F0 and F v/Fm. Differences in reaction to the salt were found in P. alba clones, F0 and Fv/Fm being the fluorescence parameters used to check out this stress. Minimal constant fluorescence of dark-adapted plants (F0) showed a better correlation with the disease index exhibited by plants and also with salinity dose than the parameter Fv/Fm. Some of the P. alba clones showed the same behaviour, assessed through fluorescence parameters, as P. euphratica, which was previously defined as salt tolerant, while the rest exhibited the same characteristics as I-214, which was very sensitive. |
format |
journal article |
topic_facet |
Disease index Photosystem 2 Salinity |
author |
Sixto Blanco, Hortensia Concepción Aranda García, Ismael Grau, J. M. |
author_facet |
Sixto Blanco, Hortensia Concepción Aranda García, Ismael Grau, J. M. |
author_sort |
Sixto Blanco, Hortensia Concepción |
title |
Assessment of salt tolerance in Populus alba clones using chlorophyll fluorescence |
title_short |
Assessment of salt tolerance in Populus alba clones using chlorophyll fluorescence |
title_full |
Assessment of salt tolerance in Populus alba clones using chlorophyll fluorescence |
title_fullStr |
Assessment of salt tolerance in Populus alba clones using chlorophyll fluorescence |
title_full_unstemmed |
Assessment of salt tolerance in Populus alba clones using chlorophyll fluorescence |
title_sort |
assessment of salt tolerance in populus alba clones using chlorophyll fluorescence |
publisher |
Academy of Sciences of the Czech Republic |
publishDate |
2006 |
url |
http://hdl.handle.net/20.500.12792/5489 http://hdl.handle.net/10261/294074 |
work_keys_str_mv |
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