Increasing Salinity Tolerance of Crops

Alqahtani, Mashael D.; Roy, Stuart J.; Tester, Mark

doi:10.1007/978-1-4939-2493-6_429-3

Cited by 8 publications

(5 citation statements)

References 201 publications

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“…One alternative to overcome such issue in the semi-arid regions is the use of salt-tolerant chickpea cultivars. The tolerance to salinity of any crop is defined as the ability to withstand the effects of excess of salt in the root zone (Deepa & Arumugam, 2019;Alqahtani et al, 2018). Salinity tolerance can vary among species and among cultivars of the same species (Sa et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Physiological quality of seeds and growth of seedlings of chickpea under salt stress

Pimenta

Júnior

Fernandes

et al. 2021

RSD

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Salt stress is a condition that causes physiological changes in several species, the identifying cultivars tolerant to such conditions is essential to high salinity environments. The objective was to evaluate the physiological quality of seeds of chickpea cultivars to salt stress during germination and seedling growth. Two cultivars (‘BRS Cícero’ and ‘BRS Aleppo’) and five osmotic potentials simulated with sodium chloride solutions (0.0; -0.2; -0.4; -0.6 and -0.8 MPa), were evaluated by the test of germination speed index, mean germination time, epicotyl and primary root length, epicotyl and primary root fresh mass, epicotyl and the primary root dry mass of the seeds were evaluated. Significant interactions were found for all variables, indicating that there are cultivars with specific performance for a particular salt condition, and the simulated salt stress conditions negatively affected germination and seedling growth. Osmotic potentials of less than -0.4 MPa are harmful to the germination and growth of chickpea seedlings. The ‘BRS Cícero’ seeds showed a higher salt tolerance than ‘BRS Aleppo’. The cultivar BRS Aleppo has a longer epicotyl length compared to 'BRS Cícero' when subjected to the same conditions of salt stress.

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Section: Introductionmentioning

confidence: 99%

Physiological quality of seeds and growth of seedlings of chickpea under salt stress

Pimenta

Júnior

Fernandes

et al. 2021

RSD

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“…Osmotic stress occurs when the level of salt around plant roots is increased to a high level, causing water deficit in the roots and suppression of shoot growth shortly after exposure [67]. Long-term exposure of plants to high salinity triggers ionic stress due to an excessive accumulation of Na + and Cl − ions in the cell cytoplasm which results in a leaf senescence, decreased crop yield and ultimately plant death [68]. CGA biosynthesis and accumulation under salinity and drought stresses play a detoxifying role, protecting plants from oxidative damages, thus improving antioxidant activities.…”

Section: Drought and Salinity Stressesmentioning

confidence: 99%

Chlorogenic Acid Metabolism: The Evolution and Roles in Plant Response to Abiotic Stress

Soviguidi¹,

Pan²,

Liu³

et al. 2022

Phyton

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During the evolution, plants acquired the ability to synthesize different phenylpropanoid compounds like chlorogenic acid (CGA), which plays vital roles in resistance mechanisms to abiotic stresses. These environmental factors, including heavy metal, cold, heat, ultraviolet (UV) light, drought, and salinity affect the plant physiological processes, resulting in massive losses of agriculture production. As plants evolve from green algae to bryophytes, ferns, gymnosperms and angiosperms, phenylpropanoids are produced and accumulated in different tissues, giving the plant the capacity to counteract the harmful effects of the adverse environments. Studies have been performed on the metabolic evolution of rosmarinic acid, flavonoids and lignin, showing that the biosynthesis of phenylpropanoids begins in green algae until the emersion of genes found in angiosperms; however, the evolution of the CGA pathway has not yet been reviewed. We hypothesize that CGA could also be synthesized from algae to angiosperms. In the present review, the evolutionary analysis of CGA pathway and the function of this compound in plant tolerance to abiotic stresses are summarized. Bioinformatics analyzes were carried out on CGA-related genes across 37 plant species and revealed that the metabolic pathway starts in algae and gradually increases until it becomes complete in angiosperms. The key genes exhibited different expression patterns in stress and plant tissues. Interestingly, some genes accumulated rapidly during evolution and were more sensitive to environmental stresses, while others appeared only later in angiosperms. Further studies are needed to better understand the evolution of the CGA metabolic pathway in plants under environmentally stressed conditions.

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“…Ion toxicity is another effect of soil salinization that equally affects the crop growth and yield due to the accumulation of Na + and Cl − ions (Alqahtani et al, 2018; Roy & Tester, 2013; W. Wang, Wang, et al, 2020), which competes with essential ions such as K + , NO 3 − , and H 2 PO 4 − for binding sites and transport proteins in root cells causing a nutrient imbalance in plants (Alqahtani et al, 2018; Ondrasek et al, 2011). Application of saline wastewater to crops with no treatment/management system leads to the accumulation of salts in the roots of crops due to evapotranspiration capacities (Qadir & Oster, 2002).…”

Section: Characteristics Of Saline Effluent and Salinity Range In Different Industrial Effluentmentioning

confidence: 99%

Current available treatment technologies for saline wastewater and land‐based treatment as an emerging environment‐friendly technology: A review

Marathe

Singh

Raghunathan

et al. 2021

Water Environment Research

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Different industrial activities such as agro‐food processing and manufacturing, leather manufacturing, and paper and pulp production generate highly saline wastewater. Direct discharge of saline wastewater has resulted in pollution of waterbodies by very high magnitudes. Consequently, an enormous number of pollutants such as heavy metals, salts, and organic matter are also released into the environment threatening the survival of human and biota. Saline wastewater also has significant effects on survival of plants, agricultural activities, and groundwater systems. Several treatments and disposal technologies are available for saline wastewater, but the selection of the most appropriate treatment and disposal technology still remains a major challenge with respect to the economic or technical constraints. Considering the sustainable management of saline wastewater, the present review is an attempt to compile the existing and emerging technologies for the treatment of saline wastewater. Among all the individual and hybrid technologies, land‐based treatment systems are proven to be the most efficient technologies considering the energy demands, economic, and treatment efficiencies. Likewise, new and sustainable technologies are the need of hour integrating both the treatment and management and the resource recovery factors along with the ultimate goal of the protection in terms of human health and environmental aspect. Practitioner points Physico‐chemical treatment technologies for saline wastewater. Combined/Hybrid technologies for the treatment of saline wastewater. Land‐based treatments as the environment friendly and sustainable method for saline wastewater treatment and disposal. Role of phytoremediation in land‐based treatment.

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Increasing Salinity Tolerance of Crops

Cited by 8 publications

References 201 publications

Physiological quality of seeds and growth of seedlings of chickpea under salt stress

Physiological quality of seeds and growth of seedlings of chickpea under salt stress

Chlorogenic Acid Metabolism: The Evolution and Roles in Plant Response to Abiotic Stress

Current available treatment technologies for saline wastewater and land‐based treatment as an emerging environment‐friendly technology: A review

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