Comparative Analysis of Tolerance to Salt Stress and Water Deficit in Two Invasive Weeds of the Genus Erigeron (Asteraceae)
Abstract
:1. Introduction
2. Results
2.1. Effects of NaCl and PEG on Seed Germination
2.2. Effects of Salinity and Water Stress on Plant Growth
2.3. Effect of Stress Treatments on Ion Homeostasis
2.4. Effect of Stress on Biochemical Parameters
2.5. Regression and Correlation Analyses
2.6. Multivariate Analysis of Data
3. Discussion
4. Materials and Methods
4.1. Seed Collection
4.2. Seed Germination
4.3. Plant Growth and Stress Treatments
4.4. Ion Quantification
4.5. Photosynthetic Pigments
4.6. Proline Quantification
4.7. MDA, Phenolics and Flavonoids Determination
4.8. Statistical Analysis
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Species | Treatment | GI | SE | CRG |
---|---|---|---|---|
E. bonariensis | Control | 69.0 | 31.3 | 27.9 |
50 mM NaCl | 9.8 | 42.9 | 26.4 | |
100 mM NaCl | 6.2 | 41.7 | 23.1 | |
150 mM NaCl | 4.4 | 14.3 | 18.9 | |
−0.21 MPa PEG | 13.9 | 30.4 | 23.8 | |
−0.42 MPa PEG | 13.8 | 35.6 | 22.8 | |
−0.63 MPa PEG | 12.9 | 31.7 | 23.8 | |
E. sumatrensis | Control | 31.9 | 4.9 | 15.3 |
50 mM NaCl | 4.5 | 9.4 | 13.2 | |
100 mM NaCl | 3.5 | 38.5 | 12.6 | |
150 mM NaCl | 0.4 | 50.0 | 9.5 | |
−0.21 MPa PEG | 6.0 | 16.1 | 17.1 | |
−0.42 MPa PEG | 6.3 | 11.8 | 16.7 | |
−0.63 MPa PEG | 4.7 | 3.3 | 14.7 |
Trait | Species | Treatment | Interaction | Residual |
---|---|---|---|---|
SL | 9.05 ** | 23.54 *** | 8.81 | 58.58 |
LA | 6.22 * | 8.05 | 8.98 | 76.72 |
Lno | 37.84 *** | 42.32 *** | 6.53 *** | 13.30 |
RFW | 4.24 ** | 69.16 *** | 2.74 | 23.84 |
LFW | 7.00 *** | 69.06 *** | 3.53 | 20.39 |
RWC | 4.24 ** | 69.16 *** | 2.74 | 23.85 |
LWC | 0.04 | 69.99 *** | 11.93 *** | 18.05 |
Trait | Species | Treatment | Interaction | Residual |
---|---|---|---|---|
Na+r | 19.00 *** | 42.01 *** | 11.53 ** | 29.29 |
Na+l | 4.93 ** | 59.60 *** | 2.73 | 32.70 |
Cl−r | 8.86 ** | 25.01 *** | 7.01 | 59.10 |
Cl−l | 0.58 | 54.80 *** | 3.72 | 40.90 |
K+r | 23.60 *** | 7.80 *** | 41.87 *** | 26.71 |
K+l | 5.15 | 11.70 | 4.45 | 78.70 |
Trait | Species | Treatment | Interaction | Residual |
---|---|---|---|---|
Chl a | 2.14 | 8.67 | 4.99 | 84.8 |
Chl b | 0.17 | 6.33 | 3.31 | 90.17 |
Pro | 23.65 *** | 30.07 *** | 15.91 *** | 30.36 |
MDA | 10.14 | 10.07 | 6.28 | 73.48 |
TPC | 58.72 *** | 11.11 ** | 4.28 | 25.87 |
TF | 0.01 | 9.94 | 11.91 | 78.13 |
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Bellache, M.; Torres-Pagan, N.; Verdeguer, M.; Llinares, J.V.; Benfekih, L.A.; Sestras, R.E.; Vicente, O.; Sestras, A.F.; Boscaiu, M. Comparative Analysis of Tolerance to Salt Stress and Water Deficit in Two Invasive Weeds of the Genus Erigeron (Asteraceae). Plants 2022, 11, 2059. https://doi.org/10.3390/plants11152059
Bellache M, Torres-Pagan N, Verdeguer M, Llinares JV, Benfekih LA, Sestras RE, Vicente O, Sestras AF, Boscaiu M. Comparative Analysis of Tolerance to Salt Stress and Water Deficit in Two Invasive Weeds of the Genus Erigeron (Asteraceae). Plants. 2022; 11(15):2059. https://doi.org/10.3390/plants11152059
Chicago/Turabian StyleBellache, Manel, Natalia Torres-Pagan, Mercedes Verdeguer, Josep V. Llinares, Leila Allal Benfekih, Radu E. Sestras, Oscar Vicente, Adriana F. Sestras, and Monica Boscaiu. 2022. "Comparative Analysis of Tolerance to Salt Stress and Water Deficit in Two Invasive Weeds of the Genus Erigeron (Asteraceae)" Plants 11, no. 15: 2059. https://doi.org/10.3390/plants11152059