Residual efficiency of iron-nanoparticles and different iron sources on growth, and antioxidants in maize plants under salts stress: life cycle study

Heliyon, Journal Year: 2024, Volume and Issue: 10(7), P. e28973 - e28973

Published: April 1, 2024

Exogenous application of iron (Fe) may alleviate salinity stress in plants growing saline soils. This comparative study evaluated the residual effects nanoparticles (FNp) with two other Fe sources including iron-sulphate (FS) and iron-chelate (FC) on maize (

Language: Английский

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Effectiveness of salt priming and plant growth-promoting bacteria in mitigating salt-induced photosynthetic damage in melon

Photosynthesis Research, Journal Year: 2025, Volume and Issue: 163(1)

Published: Jan. 16, 2025

Language: Английский

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Monitoring of Salinity, Temperature, and Drought Stress in Grafted Watermelon Seedlings Using Chlorophyll Fluorescence

Frontiers in Plant Science, Journal Year: 2021, Volume and Issue: 12

Published: Dec. 22, 2021

Chlorophyll fluorescence ( CF ) is used to measure the physiological status of plants affected by biotic and abiotic stresses. Therefore, we aimed identify changes in parameters grafted watermelon seedlings exposed salt, drought, high low temperatures. Grafted at true three-leaf stage were subjected salinity levels (0, 50, 100, 150, 200 mM) temperature [low (8°C), moderate (24°C), (40°C)] stresses for 12 days under controlled environmental conditions independently. Eight measured 2-day intervals using FluorCam machine quenching protocol machine. The also drought stress 3 independent stress; 1-day intervals. In addition, growth parameters, proline, chlorophyll content evaluated all three experiments. differentially influenced depending on type extent conditions. results showed a notable effect predominantly maximum quantum yield (Fv/Fm), non-photochemical (NPQ), ratio decrease (Rfd), non-regulated energy dissipation PSII [Y(NO)]. High had significant effects Rfd NPQ, whereas most parameters: Fv/Fm, Y(NO), Rfd, efficiency excitation capture open photosystem II (PSII) center (Fv′/Fm′), effective photochemical conversion [Y(PSII)]. Only NPQ significantly severe stress. Approximately, level. Proline increased with an increase experiments, (a b) either decreased or upon stressor. provided here may be useful understanding selection index detect seedlings.

Language: Английский

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Plant biostimulants from seaweeds or vegetal proteins enhance the salinity tolerance in greenhouse lettuce by modulating plant metabolism in a distinctive manner

Scientia Horticulturae, Journal Year: 2022, Volume and Issue: 305, P. 111368 - 111368

Published: July 28, 2022

Language: Английский

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Salinity Eustress Increases the Biosynthesis and Accumulation of Phenolic Compounds That Improve the Functional and Antioxidant Quality of Red Lettuce

Agronomy, Journal Year: 2022, Volume and Issue: 12(3), P. 598 - 598

Published: Feb. 27, 2022

The application of different techniques positive stress (eustress), such as mild and moderate saline stress, could enhance the nutritional functional attributes food vegetables. present study aimed to evaluate effect salinity a eustressor on quality red lettuce growing under hydroponic conditions subjected increasing salinity. Red plants were grown for 60 days and, 45 after sowing, levels (0, 50, 100, 150, 200 mM NaCl). phenolic compound concentration antioxidant activity measured at 7 15 treatment. Moreover, harvest, root shoot biomass efficiency photosystem II evaluated. Our results showed that highest obtained through salt (50 NaCl) applied without affecting photosynthetic production plants. By contrast, when severe (150–200 applied, an increase in compounds was also obtained, but concomitantly with significant reduction production. suggests its potential use tool biosynthesis accumulation bioactive secondary metabolites, improving characteristics lettuce.

Language: Английский

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Biostimulants-Based Amino Acids Augment Physio-Biochemical Responses and Promote Salinity Tolerance of Lettuce Plants (Lactuca sativa L.)

Horticulturae, Journal Year: 2023, Volume and Issue: 9(7), P. 807 - 807

Published: July 14, 2023

Studying the biostimulation effect of amino acids indicated their possible role in salt stress mitigation. In this investigation, six exogenous (alanine (Ala), arginine (Arg), glutamine (Glu), glycine (Gly), methionine (Met), and proline (Pro)) at 0.5 g/L were sprayed to evaluate impact on lettuce plants cultivated under simulated conditions. Photosynthetic pigments, ion absorption, endogenous contents, catalase (CAT), peroxidase (POD) enzyme activities determined. A significant alleviation was noticed when EAAs used stress-induced plants, applying Gly, Met, Pro improved plant status The highest electric conductivity (568 μS/g) testified from control treatment (50 mM NaCl), while reduced electrical (EC), result located between 469 558 μS/g. AAs alleviated Cl- anions leaves by 25% comparison plants. Na+ cations with acids. contrast, promoted K+ uptake, Arg presented contents (3226 μg/g). chlorophyll (chl a chl b) concentrations compared treatment, Met produced maximum content, carotene (car) significantly augmented applied. highly generated non-stressed (Std) control. Under salinity stress, application enhanced proteinogenic expression. Compared Ctl diminished other treatments, which fell over 40% sprayed.

Language: Английский

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Integrative Effects of Zinc Nanoparticle and PGRs to Mitigate Salt Stress in Maize

Agronomy, Journal Year: 2023, Volume and Issue: 13(6), P. 1655 - 1655

Published: June 20, 2023

Salinity is one of the most critical problems for agricultural development and threatens future food safety. Therefore, we aimed to investigate root application zinc oxide nanoparticles (ZnO-NPs; 0, 50, 100 mg/L), 24-epibrassinolide (EBL; 0.02, 0.04 µM), their combinations on growth performance maize (Zea mays L.) as a model plant grown under salt stress (i.e., 5 10 dS m−1) in hydroponic system. The results showed that highest negatively affected growth, physiological, biochemical traits maize. However, EBL, ZnO-NPs, significantly mitigated improved physiological system plants. In particular, combination treatment mg/L ZnO-NPs + 0.02 µM EBL surpassed all other treatments resulted shoot leaf area, relative water content, net photosynthesis, total chlorophyll uptake (Zn) potassium (K). Furthermore, it minimized by reducing Na uptake, Na/K ratio, proline stressed For example, length +175%, +39%, area +181%, RWC +12%, photosynthesis +275, content +33%, phenolic +38%, comparison those obtained from control, respectively. enhanced roots leaves Zn high +125% +94%, K+ +39% +51%, compared without any NPs or treatments, Thus, can be potential option mitigate improve biochemical, strategy crops such

Language: Английский

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Different vegetal protein hydrolysates distinctively alleviate salinity stress in vegetable crops: A case study on tomato and lettuce

Frontiers in Plant Science, Journal Year: 2023, Volume and Issue: 14

Published: Feb. 15, 2023

Plants have evolved diverse plant-species specific tolerance mechanisms to cope with salt stress. However, these adaptive strategies often inefficiently mitigate the stress related increasing salinity. In this respect, plant-based biostimulants gained popularity since they can alleviate deleterious effects of Hence, study aimed evaluate sensitivity tomato and lettuce plants grown under high salinity possible protective four based on vegetal protein hydrolysates. were set in a 2 × 5 factorial experimental design completely randomized two conditions, no (0 mM) (120 mM for or 80 lettuce), five biostimulant treatments (C: Malvaceae-derived, P: Poaceae-derived, D: Legume-derived commercial 'Trainer®', H: 'Vegamin®', Control: distilled water). Our results showed that both affected biomass accumulation plant species, albeit different extents. The induced higher activity antioxidant enzymes (e.g., catalase, ascorbate peroxidase, guaiacol peroxidase superoxide dismutase) overaccumulation osmolyte proline plants. Interestingly, salt-stressed as compared On other hand, treatment caused differential induction enzymatic depending considered. Overall, our suggest constitutively more tolerant than As consequence, effectiveness alleviating concentrations was evident lettuce. Among tested, P D be most promising amelioration thereby suggesting their application agricultural practice.

Language: Английский

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Application of phytohormones reduces damage caused by salt stress in Tropaeolum majus

South African Journal of Botany, Journal Year: 2024, Volume and Issue: 166, P. 69 - 78

Published: Jan. 18, 2024

Language: Английский

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Foliar application of ascorbic acid enhances growth and yield of lettuce (Lactuca sativa) under saline conditions by improving antioxidant defence mechanism

Functional Plant Biology, Journal Year: 2022, Volume and Issue: 51(1)

Published: Sept. 28, 2022

Lettuce (Lactuca sativa L.) production is low because of different environmental stresses. Salt stress significantly reduces lettuce growth and yield. Foliar application ascorbic acid considered as a possible way to mitigate the adverse salinity effects on plants. This current study investigated effect foliar spray (control, 100, 200, 300 400 mg/L) negative (0, 50, 100 150 mM NaCl) in plants 2019 2020. Salinity level 200 NaCl reduced yield traits; i.e. leaf length diameter, number leaves, fresh plant weight, roots, root dry weight these traits increased under concentration mg/L. Two levels (150 × mg/L enhanced superoxide dismutase (SOD) content Peroxidase (POD) acid. Catalase (CAT) Ascorbic was greater Phenolic maximum Titratable acidity higher 0, control We conclude that had potential by reducing oxidative injury agricultural crops especially lettuce.

Language: Английский

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