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Photosynthesis of salt-stressed maize as influenced by Ca:Na ratios in the nutrient solution
Year:
1988
Source of publication :
Plant and Soil
Authors :
Plaut, Zvi
;
.
Volume :
105
Co-Authors:
Plaut, Z., USDA, ARS, U.S. Salinity Laboratory, 4500 Glenwood Drive, Riverside, 92501, CA, United States
Grieve, C.M., USDA, ARS, U.S. Salinity Laboratory, 4500 Glenwood Drive, Riverside, 92501, CA, United States
Facilitators :
From page:
283
To page:
286
(
Total pages:
4
)
Abstract:
The CO2 fixation rate of salt-stressed maize leaves was influenced by the Ca:Na ratio in the solution cultures. At an osmotic potential of -0.4 MPa in the root media, both the photosynthetic rate and the water-use efficiency declined as substrate Ca increased. Blade-Ca concentration also increased, while blade-Na and-Mg decreased. Apparently photosynthetic activity was inhibited in part by internal Mg deficiency rather than by Na toxicity or by Na-induced Ca deficiency. Reduction of the Ca:Mg ratio in the culture stimulated the CO2 fixation rate. © 1988 Martinus Nijhoff Publishers.
Note:
Related Files :
maize
Mg
Na
photosynthesis
salinity
water use efficiency
Zea mays L. Ca
Show More
Related Content
More details
DOI :
10.1007/BF02376793
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29354
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:46
Scientific Publication
Photosynthesis of salt-stressed maize as influenced by Ca:Na ratios in the nutrient solution
105
Plaut, Z., USDA, ARS, U.S. Salinity Laboratory, 4500 Glenwood Drive, Riverside, 92501, CA, United States
Grieve, C.M., USDA, ARS, U.S. Salinity Laboratory, 4500 Glenwood Drive, Riverside, 92501, CA, United States
Photosynthesis of salt-stressed maize as influenced by Ca:Na ratios in the nutrient solution
The CO2 fixation rate of salt-stressed maize leaves was influenced by the Ca:Na ratio in the solution cultures. At an osmotic potential of -0.4 MPa in the root media, both the photosynthetic rate and the water-use efficiency declined as substrate Ca increased. Blade-Ca concentration also increased, while blade-Na and-Mg decreased. Apparently photosynthetic activity was inhibited in part by internal Mg deficiency rather than by Na toxicity or by Na-induced Ca deficiency. Reduction of the Ca:Mg ratio in the culture stimulated the CO2 fixation rate. © 1988 Martinus Nijhoff Publishers.
Scientific Publication
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