Effects of salinity on physiological parameters of grafted and ungrafted citrus trees

Simpson, Catherine; Nelson, Shad D.; Melgar, Juan Carlos; Jifon, John; Schuster, Greta; Volder, Astrid

doi:10.1016/j.scienta.2015.10.010

Cited by 16 publications

(8 citation statements)

References 29 publications

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“…Salinity (50 mmol l −1 , NaCl) reduced chlorophyll fluorescence (F v /F m ) by about 16% (0.82 vs. 0.69) in citrus rootstocks [ 32 ]. When ‘Olinda’ Valencia trees budded to three rootstocks (sour orange, C22, and C146) and the un-grafted rootstocks were irrigated for 6 months with saline water (1, 3, 5, and 10 dS m −1 ), chlorophyll fluorescence (F v /F m ) and content (SPAD) and stomatal conductance decreased with increased salt level, while electrolyte leakage increased [ 34 ]. In addition to chlorophyll fluorescence, SPAD value has been used as a non-destructive technique to estimate chlorophyll content which is essential component of photosynthesis and play key role in plant growth and productivity [ 35 , 36 ].…”

Section: Resultsmentioning

confidence: 99%

Salinity level influenced morpho-physiology and nutrient uptake of young citrus rootstocks

Othman¹,

Hani²,

Ayad³

et al. 2023

Heliyon

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Section: Resultsmentioning

confidence: 99%

Salinity level influenced morpho-physiology and nutrient uptake of young citrus rootstocks

Othman¹,

Hani²,

Ayad³

et al. 2023

Heliyon

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“…Ex Tan. × P. trifoliate L. Raf 'Swingle') [54], their EL increased under salt stress. The results showed that salt stress conditions were the reason the cell membrane broke and electrolytes were released from Aquilegia.…”

Section: Discussionmentioning

confidence: 97%

Physio-Biochemical Responses of Three Aquilegia Species Seedlings to Salt Stress

et al. 2022

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Road deicing salts are widely used during winter in northern China, which makes it essential to choose proper salt-tolerant plant species in urban landscapes. Columbine (Aquilegia) is a herb with high ornamental and commercial values. This study evaluated three Aquilegia species (A. oxysepala, A. parviflora, and A. viridiflora) for salt tolerance by monitoring their germination state under different electrical conductivity (EC) of 0.1 dS·m−1 (distilled water), 1.0 dS·m−1, 2.0 dS·m−1, 3.0 dS·m−1, 4.0 dS·m−1, 5.0 dS·m−1, 6.0 dS·m−1, physio-biochemical responses to different EC of 0.3 dS·m−1 (tap water), 5.0 dS·m−1, and 10.0 dS·m−1. The germination and growth parameters, visual scores, dry weight, leaf stomatal conductance, photosynthetic rate, and chlorophyll contents of three species decreased under salt stress, which was opposite to the changes of electrolyte leakage, malondialdehyde, proline, and soluble sugar contents. Superoxide dismutase and peroxidase activity trend differently among species. These results showed that the germination threshold of three species was 6.0 dS·m−1. A. oxysepala was the most salt-tolerant species, with a tolerance threshold of soil conductivity in 2.83 dS·m−1, followed by A. viridiflora and A. parviflora. Therefore, A. oxysepala is suitable for planting as a ground cover in urban areas where deicing salt is applied.

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“…The salt-affected areas amount to some 16 million ha or 25% of the total irrigated land, although detailed information about each country remains scarce, and a deteriorate of situation may be observed in the future due to the effects of climate change on the precipitation, evaporation, runoff, and soil moisture storage [9]. Salinity reduces the plants' water uptake, increasing the osmotic potential and the force to absorb water, decreasing the plants' growth rate, photosynthesis rate, and stomatal conductance [44][45][46][47][48][49]. The increase in salinity level reduces the photosynthesis rate due to the lower stomatal aperture [50], the depression in specific metabolic processes in carbon uptake [51], the inhibition in photochemical capacity [52], or a combination of these phenomena [53].…”

Section: Electrical Conductivitymentioning

confidence: 99%

A Tool for the Evaluation of Irrigation Water Quality in the Arid and Semi-Arid Regions

Bortolini¹,

Maucieri

Borin

2018

Agronomy

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Abstract:In the Mediterranean arid and semi-arid regions, large amounts of low quality waters could be used for crop irrigation, but the adoption of articulated classifications with too rigid quality limits can often reduce the recoverable quantities of water and make the monitoring of water quality too much expensive. Therefore, an evaluation of irrigation water quality based on only a few crucial parameters, which consider the crop species to be irrigated and the type of irrigation system and management adopted, can be an easy and flexible method for maximizing the reuse of wastewater and low-quality water for agricultural purposes. In this view, an irrigation water quality tool (IWQT) was developed to support farmers of arid and semi-arid regions on evaluating the use of low quality water for crop irrigation. The most significant and cheapest parameters of irrigation water quality were identified and clustered in three quality classes according to their effects on crop yield and soil fertility (agronomic quality indicators), human health (hygiene and health quality indicators), and irrigation systems (management quality indicators). According to IWQT parameters, a tool reporting a series of recommendations, including water treatment types, was implemented to guide farmers on the use of low quality irrigation water.

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Effects of salinity on physiological parameters of grafted and ungrafted citrus trees

Cited by 16 publications

References 29 publications

Salinity level influenced morpho-physiology and nutrient uptake of young citrus rootstocks

Salinity level influenced morpho-physiology and nutrient uptake of young citrus rootstocks

Physio-Biochemical Responses of Three Aquilegia Species Seedlings to Salt Stress

A Tool for the Evaluation of Irrigation Water Quality in the Arid and Semi-Arid Regions

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