Photosynthetic and stomatal responses of the halophyte,Plantago maritima L. to fluctuations in salinity
Abstract Measurements of photosynthesis as a function of intercellular CO2 (A-C1 curve) were made on single. attached leaves of Plantago maritima L. while plants were exposed to changes in salinity. Salinity was increased in steps from 50 to 500 mol m-3 NaCl and then returned to 50 mol m-3 NaCl at t...
Ausführliche Beschreibung
Autor*in: |
FLANAGAN, L. B. [verfasserIn] JEFFERIES, R. L. [verfasserIn] |
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E-Artikel |
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Erschienen: |
Oxford, UK: Blackwell Publishing Ltd ; 1989 |
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Online-Ressource |
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Reproduktion: |
2006 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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Übergeordnetes Werk: |
In: Plant, cell & environment - Oxford [u.a.] : Wiley-Blackwell, 1978, 12(1989), 5, Seite 0 |
Übergeordnetes Werk: |
volume:12 ; year:1989 ; number:5 ; pages:0 |
Links: |
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DOI / URN: |
10.1111/j.1365-3040.1989.tb02129.x |
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520 | |a Abstract Measurements of photosynthesis as a function of intercellular CO2 (A-C1 curve) were made on single. attached leaves of Plantago maritima L. while plants were exposed to changes in salinity. Salinity was increased in steps from 50 to 500 mol m-3 NaCl and then returned to 50 mol m-3 NaCl at two rates, 75 mol m-3 (NaCl) day-1 (experiment 1) and 150 mol m-3 (NaCl) day-1 (experiment 2). In experiment one, the CO2 assimilation rate declined at high CO2 concentrations, but the initial slope of the A-C1 curve was unaffected in young leaves after salinity was increased to 500 mol m-3 NaCl. The insensitivity of photosynthesis to increases in CO2 concentration above air levels was not associated with insensitivity to a reduction in oxygen concentration. In experiment two increasing the rate at which salinity was changed resulted in larger declines in photosynthesis and leaf conductance than were observed in experiment one. Both the initial slope and the CO2 saturated region of the A-C1 curve were substantially reduced at high salinity suggesting that mesophyll biochemical capacity had been inhibited. However, concurrent measurements of photosynthesis as oxygen evolution under 5% CO2 indicated no effect of increased salinity on photosynthetic capacity. This suggests that the apparent non-stomatal limitations indicated by A-C1 measurements were artifacts caused by strong, nonuniform stomatal closure. | ||
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10.1111/j.1365-3040.1989.tb02129.x doi (DE-627)NLEJ241180392 DE-627 ger DE-627 rakwb FLANAGAN, L. B. verfasserin aut Photosynthetic and stomatal responses of the halophyte,Plantago maritima L. to fluctuations in salinity Oxford, UK Blackwell Publishing Ltd 1989 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Measurements of photosynthesis as a function of intercellular CO2 (A-C1 curve) were made on single. attached leaves of Plantago maritima L. while plants were exposed to changes in salinity. Salinity was increased in steps from 50 to 500 mol m-3 NaCl and then returned to 50 mol m-3 NaCl at two rates, 75 mol m-3 (NaCl) day-1 (experiment 1) and 150 mol m-3 (NaCl) day-1 (experiment 2). In experiment one, the CO2 assimilation rate declined at high CO2 concentrations, but the initial slope of the A-C1 curve was unaffected in young leaves after salinity was increased to 500 mol m-3 NaCl. The insensitivity of photosynthesis to increases in CO2 concentration above air levels was not associated with insensitivity to a reduction in oxygen concentration. In experiment two increasing the rate at which salinity was changed resulted in larger declines in photosynthesis and leaf conductance than were observed in experiment one. Both the initial slope and the CO2 saturated region of the A-C1 curve were substantially reduced at high salinity suggesting that mesophyll biochemical capacity had been inhibited. However, concurrent measurements of photosynthesis as oxygen evolution under 5% CO2 indicated no effect of increased salinity on photosynthetic capacity. This suggests that the apparent non-stomatal limitations indicated by A-C1 measurements were artifacts caused by strong, nonuniform stomatal closure. 2006 Blackwell Publishing Journal Backfiles 1879-2005 |2006|||||||||| JEFFERIES, R. L. verfasserin aut In Plant, cell & environment Oxford [u.a.] : Wiley-Blackwell, 1978 12(1989), 5, Seite 0 Online-Ressource (DE-627)NLEJ243926944 (DE-600)2020843-1 1365-3040 nnns volume:12 year:1989 number:5 pages:0 http://dx.doi.org/10.1111/j.1365-3040.1989.tb02129.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 12 1989 5 0 |
spelling |
10.1111/j.1365-3040.1989.tb02129.x doi (DE-627)NLEJ241180392 DE-627 ger DE-627 rakwb FLANAGAN, L. B. verfasserin aut Photosynthetic and stomatal responses of the halophyte,Plantago maritima L. to fluctuations in salinity Oxford, UK Blackwell Publishing Ltd 1989 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Measurements of photosynthesis as a function of intercellular CO2 (A-C1 curve) were made on single. attached leaves of Plantago maritima L. while plants were exposed to changes in salinity. Salinity was increased in steps from 50 to 500 mol m-3 NaCl and then returned to 50 mol m-3 NaCl at two rates, 75 mol m-3 (NaCl) day-1 (experiment 1) and 150 mol m-3 (NaCl) day-1 (experiment 2). In experiment one, the CO2 assimilation rate declined at high CO2 concentrations, but the initial slope of the A-C1 curve was unaffected in young leaves after salinity was increased to 500 mol m-3 NaCl. The insensitivity of photosynthesis to increases in CO2 concentration above air levels was not associated with insensitivity to a reduction in oxygen concentration. In experiment two increasing the rate at which salinity was changed resulted in larger declines in photosynthesis and leaf conductance than were observed in experiment one. Both the initial slope and the CO2 saturated region of the A-C1 curve were substantially reduced at high salinity suggesting that mesophyll biochemical capacity had been inhibited. However, concurrent measurements of photosynthesis as oxygen evolution under 5% CO2 indicated no effect of increased salinity on photosynthetic capacity. This suggests that the apparent non-stomatal limitations indicated by A-C1 measurements were artifacts caused by strong, nonuniform stomatal closure. 2006 Blackwell Publishing Journal Backfiles 1879-2005 |2006|||||||||| JEFFERIES, R. L. verfasserin aut In Plant, cell & environment Oxford [u.a.] : Wiley-Blackwell, 1978 12(1989), 5, Seite 0 Online-Ressource (DE-627)NLEJ243926944 (DE-600)2020843-1 1365-3040 nnns volume:12 year:1989 number:5 pages:0 http://dx.doi.org/10.1111/j.1365-3040.1989.tb02129.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 12 1989 5 0 |
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10.1111/j.1365-3040.1989.tb02129.x doi (DE-627)NLEJ241180392 DE-627 ger DE-627 rakwb FLANAGAN, L. B. verfasserin aut Photosynthetic and stomatal responses of the halophyte,Plantago maritima L. to fluctuations in salinity Oxford, UK Blackwell Publishing Ltd 1989 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Measurements of photosynthesis as a function of intercellular CO2 (A-C1 curve) were made on single. attached leaves of Plantago maritima L. while plants were exposed to changes in salinity. Salinity was increased in steps from 50 to 500 mol m-3 NaCl and then returned to 50 mol m-3 NaCl at two rates, 75 mol m-3 (NaCl) day-1 (experiment 1) and 150 mol m-3 (NaCl) day-1 (experiment 2). In experiment one, the CO2 assimilation rate declined at high CO2 concentrations, but the initial slope of the A-C1 curve was unaffected in young leaves after salinity was increased to 500 mol m-3 NaCl. The insensitivity of photosynthesis to increases in CO2 concentration above air levels was not associated with insensitivity to a reduction in oxygen concentration. In experiment two increasing the rate at which salinity was changed resulted in larger declines in photosynthesis and leaf conductance than were observed in experiment one. Both the initial slope and the CO2 saturated region of the A-C1 curve were substantially reduced at high salinity suggesting that mesophyll biochemical capacity had been inhibited. However, concurrent measurements of photosynthesis as oxygen evolution under 5% CO2 indicated no effect of increased salinity on photosynthetic capacity. This suggests that the apparent non-stomatal limitations indicated by A-C1 measurements were artifacts caused by strong, nonuniform stomatal closure. 2006 Blackwell Publishing Journal Backfiles 1879-2005 |2006|||||||||| JEFFERIES, R. L. verfasserin aut In Plant, cell & environment Oxford [u.a.] : Wiley-Blackwell, 1978 12(1989), 5, Seite 0 Online-Ressource (DE-627)NLEJ243926944 (DE-600)2020843-1 1365-3040 nnns volume:12 year:1989 number:5 pages:0 http://dx.doi.org/10.1111/j.1365-3040.1989.tb02129.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 12 1989 5 0 |
allfieldsGer |
10.1111/j.1365-3040.1989.tb02129.x doi (DE-627)NLEJ241180392 DE-627 ger DE-627 rakwb FLANAGAN, L. B. verfasserin aut Photosynthetic and stomatal responses of the halophyte,Plantago maritima L. to fluctuations in salinity Oxford, UK Blackwell Publishing Ltd 1989 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Measurements of photosynthesis as a function of intercellular CO2 (A-C1 curve) were made on single. attached leaves of Plantago maritima L. while plants were exposed to changes in salinity. Salinity was increased in steps from 50 to 500 mol m-3 NaCl and then returned to 50 mol m-3 NaCl at two rates, 75 mol m-3 (NaCl) day-1 (experiment 1) and 150 mol m-3 (NaCl) day-1 (experiment 2). In experiment one, the CO2 assimilation rate declined at high CO2 concentrations, but the initial slope of the A-C1 curve was unaffected in young leaves after salinity was increased to 500 mol m-3 NaCl. The insensitivity of photosynthesis to increases in CO2 concentration above air levels was not associated with insensitivity to a reduction in oxygen concentration. In experiment two increasing the rate at which salinity was changed resulted in larger declines in photosynthesis and leaf conductance than were observed in experiment one. Both the initial slope and the CO2 saturated region of the A-C1 curve were substantially reduced at high salinity suggesting that mesophyll biochemical capacity had been inhibited. However, concurrent measurements of photosynthesis as oxygen evolution under 5% CO2 indicated no effect of increased salinity on photosynthetic capacity. This suggests that the apparent non-stomatal limitations indicated by A-C1 measurements were artifacts caused by strong, nonuniform stomatal closure. 2006 Blackwell Publishing Journal Backfiles 1879-2005 |2006|||||||||| JEFFERIES, R. L. verfasserin aut In Plant, cell & environment Oxford [u.a.] : Wiley-Blackwell, 1978 12(1989), 5, Seite 0 Online-Ressource (DE-627)NLEJ243926944 (DE-600)2020843-1 1365-3040 nnns volume:12 year:1989 number:5 pages:0 http://dx.doi.org/10.1111/j.1365-3040.1989.tb02129.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 12 1989 5 0 |
allfieldsSound |
10.1111/j.1365-3040.1989.tb02129.x doi (DE-627)NLEJ241180392 DE-627 ger DE-627 rakwb FLANAGAN, L. B. verfasserin aut Photosynthetic and stomatal responses of the halophyte,Plantago maritima L. to fluctuations in salinity Oxford, UK Blackwell Publishing Ltd 1989 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Measurements of photosynthesis as a function of intercellular CO2 (A-C1 curve) were made on single. attached leaves of Plantago maritima L. while plants were exposed to changes in salinity. Salinity was increased in steps from 50 to 500 mol m-3 NaCl and then returned to 50 mol m-3 NaCl at two rates, 75 mol m-3 (NaCl) day-1 (experiment 1) and 150 mol m-3 (NaCl) day-1 (experiment 2). In experiment one, the CO2 assimilation rate declined at high CO2 concentrations, but the initial slope of the A-C1 curve was unaffected in young leaves after salinity was increased to 500 mol m-3 NaCl. The insensitivity of photosynthesis to increases in CO2 concentration above air levels was not associated with insensitivity to a reduction in oxygen concentration. In experiment two increasing the rate at which salinity was changed resulted in larger declines in photosynthesis and leaf conductance than were observed in experiment one. Both the initial slope and the CO2 saturated region of the A-C1 curve were substantially reduced at high salinity suggesting that mesophyll biochemical capacity had been inhibited. However, concurrent measurements of photosynthesis as oxygen evolution under 5% CO2 indicated no effect of increased salinity on photosynthetic capacity. This suggests that the apparent non-stomatal limitations indicated by A-C1 measurements were artifacts caused by strong, nonuniform stomatal closure. 2006 Blackwell Publishing Journal Backfiles 1879-2005 |2006|||||||||| JEFFERIES, R. L. verfasserin aut In Plant, cell & environment Oxford [u.a.] : Wiley-Blackwell, 1978 12(1989), 5, Seite 0 Online-Ressource (DE-627)NLEJ243926944 (DE-600)2020843-1 1365-3040 nnns volume:12 year:1989 number:5 pages:0 http://dx.doi.org/10.1111/j.1365-3040.1989.tb02129.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 12 1989 5 0 |
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Photosynthetic and stomatal responses of the halophyte,Plantago maritima L. to fluctuations in salinity |
abstract |
Abstract Measurements of photosynthesis as a function of intercellular CO2 (A-C1 curve) were made on single. attached leaves of Plantago maritima L. while plants were exposed to changes in salinity. Salinity was increased in steps from 50 to 500 mol m-3 NaCl and then returned to 50 mol m-3 NaCl at two rates, 75 mol m-3 (NaCl) day-1 (experiment 1) and 150 mol m-3 (NaCl) day-1 (experiment 2). In experiment one, the CO2 assimilation rate declined at high CO2 concentrations, but the initial slope of the A-C1 curve was unaffected in young leaves after salinity was increased to 500 mol m-3 NaCl. The insensitivity of photosynthesis to increases in CO2 concentration above air levels was not associated with insensitivity to a reduction in oxygen concentration. In experiment two increasing the rate at which salinity was changed resulted in larger declines in photosynthesis and leaf conductance than were observed in experiment one. Both the initial slope and the CO2 saturated region of the A-C1 curve were substantially reduced at high salinity suggesting that mesophyll biochemical capacity had been inhibited. However, concurrent measurements of photosynthesis as oxygen evolution under 5% CO2 indicated no effect of increased salinity on photosynthetic capacity. This suggests that the apparent non-stomatal limitations indicated by A-C1 measurements were artifacts caused by strong, nonuniform stomatal closure. |
abstractGer |
Abstract Measurements of photosynthesis as a function of intercellular CO2 (A-C1 curve) were made on single. attached leaves of Plantago maritima L. while plants were exposed to changes in salinity. Salinity was increased in steps from 50 to 500 mol m-3 NaCl and then returned to 50 mol m-3 NaCl at two rates, 75 mol m-3 (NaCl) day-1 (experiment 1) and 150 mol m-3 (NaCl) day-1 (experiment 2). In experiment one, the CO2 assimilation rate declined at high CO2 concentrations, but the initial slope of the A-C1 curve was unaffected in young leaves after salinity was increased to 500 mol m-3 NaCl. The insensitivity of photosynthesis to increases in CO2 concentration above air levels was not associated with insensitivity to a reduction in oxygen concentration. In experiment two increasing the rate at which salinity was changed resulted in larger declines in photosynthesis and leaf conductance than were observed in experiment one. Both the initial slope and the CO2 saturated region of the A-C1 curve were substantially reduced at high salinity suggesting that mesophyll biochemical capacity had been inhibited. However, concurrent measurements of photosynthesis as oxygen evolution under 5% CO2 indicated no effect of increased salinity on photosynthetic capacity. This suggests that the apparent non-stomatal limitations indicated by A-C1 measurements were artifacts caused by strong, nonuniform stomatal closure. |
abstract_unstemmed |
Abstract Measurements of photosynthesis as a function of intercellular CO2 (A-C1 curve) were made on single. attached leaves of Plantago maritima L. while plants were exposed to changes in salinity. Salinity was increased in steps from 50 to 500 mol m-3 NaCl and then returned to 50 mol m-3 NaCl at two rates, 75 mol m-3 (NaCl) day-1 (experiment 1) and 150 mol m-3 (NaCl) day-1 (experiment 2). In experiment one, the CO2 assimilation rate declined at high CO2 concentrations, but the initial slope of the A-C1 curve was unaffected in young leaves after salinity was increased to 500 mol m-3 NaCl. The insensitivity of photosynthesis to increases in CO2 concentration above air levels was not associated with insensitivity to a reduction in oxygen concentration. In experiment two increasing the rate at which salinity was changed resulted in larger declines in photosynthesis and leaf conductance than were observed in experiment one. Both the initial slope and the CO2 saturated region of the A-C1 curve were substantially reduced at high salinity suggesting that mesophyll biochemical capacity had been inhibited. However, concurrent measurements of photosynthesis as oxygen evolution under 5% CO2 indicated no effect of increased salinity on photosynthetic capacity. This suggests that the apparent non-stomatal limitations indicated by A-C1 measurements were artifacts caused by strong, nonuniform stomatal closure. |
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title_short |
Photosynthetic and stomatal responses of the halophyte,Plantago maritima L. to fluctuations in salinity |
url |
http://dx.doi.org/10.1111/j.1365-3040.1989.tb02129.x |
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JEFFERIES, R. L. |
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10.1111/j.1365-3040.1989.tb02129.x |
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