Isohydricity of Two Different Citrus Species under Deficit Irrigation and Reclaimed Water Conditions
Abstract
:1. Introduction
2. Results
2.1. Effects of the Irrigation Strategies on Water Relations, Hydraulic Conductance, and ABA
2.2. Relationship between Stomata and Environmental and Plant Physiological Factors
3. Discussion
3.1. Water Relations of the Grapefruit and Mandarin Crops under Saline and Water Stresses
3.2. Relationship between Water Relations and Hydraulic Conductance: Near-Isohidric or Anisohydric Behavior
4. Materials and Methods
4.1. Experimental Conditions and Plant Materials
4.2. Water Sources and Irrigation Treatments
4.3. Measurements
4.3.1. Plant Water Status
4.3.2. Leaf Chemical Analysis
4.4. Statistical Design and Analysis
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Crop | Treatment | Ψ100s (MPa) | OA (MPa) | Cl− (%) | Na+ (%) |
---|---|---|---|---|---|
Grapefruit | TW-fI | −1.59 ± 0.13 a | - | 0.44 ± 0.02 a | 0.050 ± 0.005 a |
TW-nI | −1.45 ± 0.11 a | −0.14 | 0.32 ± 0.11 a | 0.036 ± 0.004 a | |
RW-fI | −1.39 ± 0.21 a | −0.20 | 0.57 ± 0.02 a | 0.066 ± 0.026 a | |
RW-nI | −1.86 ± 0.01 b | 0.27 | 0.40 ± 0.28 a | 0.074 ± 0.038 a | |
Mandarin | TW-fI | −1.73 ± 0.11 a | 0.18 ± 0.02 a | 0.046 ± 0.010 a | |
TW-nI | −1.98 ± 0.08 b | 0.25 | 0.15 ± 0.07 a | 0.055 ± 0.020 a | |
RW-fI | −1.69 ± 0.10 a | 0.04 | 0.64 ± 0.08 b | 0.070 ± 0.009 a | |
RW-nI | −1.88 ± 0.03 ab | 0.15 | 0.55 ± 0.05 b | 0.073 ± 0.006 a |
Crop | Treatment | Kroot–stem (mol·MPa−1·m−2·s−1) | Kcanopy (mol·MPa−1·m−2·s−1) |
---|---|---|---|
Grapefruit | TW-fI | 4.51 ± 0.28 b | 8.93 ± 1.81 b |
TW-nI | 2.89 ± 0.29 a | 8.47 ± 2.26 b | |
RW-fI | 4.54 ± 0.22 b | 4.26 ± 0.93 a | |
RW-nI | 2.23 ± 0.20 a | 9.65 ± 3.20 b | |
ANOVA | Qw | ns | ns |
Aw | * | * | |
Qw * Aw | ns | * | |
Mandarin | TW-fI | 4.87 ± 0.81 b | 2.47 ± 0.81 b |
TW-nI | 0.69 ± 0.11 a | 1.51 ± 0.23 a | |
RW-fI | 5.30 ± 0.38 b | 2.48 ± 0.43 b | |
RW-nI | 0.86 ± 0.18 a | 2.41 ± 1.26 b | |
ANOVA | Qw | ns | ns |
Aw | *** | ** | |
Qw * Aw | ns | ns |
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Romero-Trigueros, C.; Gambín, J.M.B.; Nortes Tortosa, P.A.; Cabañero, J.J.A.; Nicolás Nicolás, E. Isohydricity of Two Different Citrus Species under Deficit Irrigation and Reclaimed Water Conditions. Plants 2021, 10, 2121. https://doi.org/10.3390/plants10102121
Romero-Trigueros C, Gambín JMB, Nortes Tortosa PA, Cabañero JJA, Nicolás Nicolás E. Isohydricity of Two Different Citrus Species under Deficit Irrigation and Reclaimed Water Conditions. Plants. 2021; 10(10):2121. https://doi.org/10.3390/plants10102121
Chicago/Turabian StyleRomero-Trigueros, Cristina, Jose María Bayona Gambín, Pedro Antonio Nortes Tortosa, Juan José Alarcón Cabañero, and Emilio Nicolás Nicolás. 2021. "Isohydricity of Two Different Citrus Species under Deficit Irrigation and Reclaimed Water Conditions" Plants 10, no. 10: 2121. https://doi.org/10.3390/plants10102121