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Authors Mostajeran, A; Rengel, Z
Author Full Name Mostajeran, A.; Rengel, Z.
Title Correlation Between the Carbon Isotope Composition (delta C-13) of Puccinellia ciliata and Balansa Clover in Duel Stresses of Waterlogging and Salinity (NaCl)
Source SCIENTIA IRANICA
Language English
Document Type Article
Keywords Plus WATER-USE EFFICIENCY; GAS-EXCHANGE; TRANSPIRATION EFFICIENCY; NITROGEN NUTRITION; DISCRIMINATION; WHEAT; AVAILABILITY; HALOPHYTES; INDICATOR; DROUGHT
Abstract Theoretically, plants growing under stress conditions, such as in saline or waterlogged conditions, should behave with (CO2)-C-13 discrimination and have different delta C-13 values. Therefore, this experiment was conducted to evaluate the effect of factors such as salinity and hypoxia in affecting delta values of Puccinellia ciliata and Balansa clover (Trifolium michclianum Savi. Var balansae boiss). This study reveals that these two species (C-3 plants) behave differently and B. clover has more positive delta C-13 values (7.6%) compared to P. ciliata. The overall average of delta C-13 were -28.85 and -26.66 parts per thousand, respectively, for P. ciliata and B. clover. The delta C-13 values for the shoots and roots of the two species also have different values (more positive values in roots compared to shoots). Waterlogging and salinity have a significant affect on (CO2)-C-13 discrimination and, statistically, these effects on delta C-13 values are significant (p < 0.001). This means that environmental factors, such as salinity and waterlogging, create a situation for plants in which the discriminate rate against delta C-13 would be changed (less discrimination for hypoxia and more for salinity conditions). The combined effects on species and plant parts of waterlogging and salinity are not statistically insignificant on delta C-13 values, however, each factor separately has a significant effect on delta C-13 values. P. ciliata was grown in different seasons (summer and winter) and showed significant differences in delta C-13 values (by almost 4%). The carbon content (%) of the two species was different, but, were not related to delta C-13, respectively.
Author Address [Mostajeran, A.] Univ Esfahan, Dept Biol, Fac Sci, Esfahan, Iran; [Rengel, Z.] Univ Western Australia, Dept Soil Sci & Plant Nutrient, Nedlands, WA 6009, Australia
Reprint Address Mostajeran, A (corresponding author), Univ Esfahan, Dept Biol, Fac Sci, Esfahan, Iran.
Funding Agency and Grant Number University of Esfahan, Iran; University of Western Australia, Australia
Funding Text This work was supported by the University of Esfahan, Iran, and the University of Western Australia, Australia. I would like to thank the Laboratory of UWA for the analysis of Carbon Isotopes in plant samples.
Times Cited 1
Total Times Cited Count (WoS, BCI, and CSCD) 1
Publisher SHARIF UNIV TECHNOLOGY
Publisher City TEHRAN
Publisher Address PO BOX 11155-8639, TEHRAN, 00000, IRAN
ISSN 1026-3098
29-Character Source Abbreviation SCI IRAN
ISO Source Abbreviation Sci. Iran.
Publication Date JUL-AUG
Year Published 2007
Volume 14
Issue 4
Beginning Page 327
Ending Page 335
Page Count 9
Web of Science Category Engineering, Multidisciplinary
Subject Category Engineering
Document Delivery Number V85BH
Unique Article Identifier WOS:000205749300008
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