ALLEVIATING  THE  SALT  STRESS  EFFECTS  IN  Salvia  splendens   BY  HUMIC  ACID  APPLICATION

Karimian, Zahra; Samiei, Leila; Nabati, Jafar

doi:10.24326/asphc.2019.5.7

Cited by 6 publications

(5 citation statements)

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“…According to pervious researcher (Mazhar et al, 2012;Farahat et al, 2012) foliar application of HA caused reduction in proline content. However, in the present study proline content was increased with HA application which confirmed the reports of EL Sayed et al, 2017;Karimian et al, 2019;Abd-El-Hady, 2019. Total phenolic content, Na + and Cl − % The data shown in Table 6 exhibited that, in most cases accumulation of total phenolic content, Na + and Cl − % in leaves were augmented significantly with raising salinity levels compared to control. The only one exception to the obtained trend were recorded with the lowest salinity level (1000 ppm) which caused insignificant increase in total phenolic content in the first season seasons as well as Na + and Cl − % in both seasons compared to control.…”

Section: Proline Contentsupporting

confidence: 93%

“…The only one exception to the obtained trend were recorded with the lowest salinity level (1000 ppm) which caused insignificant increase in total phenolic content in the first season seasons as well as Na + and Cl − % in both seasons compared to control. the results of increasing total phenolic content in leaves of salt stressed plants are in good accordance with those elicited by Farahat et al, 2013;Karimian et al, 2019. While increase in Na + % and Cl -% are in agreement with findings of many previous studies (Breś et al, 2016;Abdel Wahab, 2017, Hooks andNiu, 2019).…”

Section: Proline Contentsupporting

confidence: 91%

“…Increasing chlorophylls content and K% in salt stressed plants due to HA treatment are similar to those obtained by earlier authors (El Sayed et al, 2017: Abd-El-Hady, 2019. Meanwhile, the present augmentation in carbohydrates content is supported by the results of Mazhar et al (2012) and Karimian et al (2019) who reported that foliar application of HA caused increase in total carbohydrates of in salt stressed ornamental plants compared to control plants.…”

Section: Chemical Constituents Chlorophylls Content and Total Carbohysupporting

confidence: 79%

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Alleviative effects of chitosan or humic acid on Vitex trifolia ‘Purpurea’ grown under salinity stress

2021

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Pots experiment was conducted to investigate the effect of bio-stimulators chitosan (CHT) or humic acid (HA) on Vitex trifolia ‘Purpurea’ exposed to salinity stress. Salinity stress was imposed by irrigation with saline water at concentration of 1000, 2500 and 5000 ppm, in addition to control (280 ppm), plants exposed to salinity were sprayed every 4 weeks with either CHT at concentrations of 30, 60 and 90 ppm or HA at concentrations of 1000, 1500 and 2000 ppm, while control plants sprayed only with tap water. The results showed that, with increasing salinity stress all vegetative growth parameters were decreased and chemical constituents including total chlorophylls total carbohydrates, K+ %, Ca2+ % and K+/Na+ ratio were reduced. In contrast, elevating salinity stress increased contents of proline, total phenolic, Na+ %, Cl− %. On the other hand, foliar application of either CHT or HA had favorable impact on increasing vegetative traits and chemical compositions, meanwhile reducing accumulation of total phenolic, Na+ and Cl− % toxic ions in leaves, HA was generally more effective than CHT. Based on the results, it can be recommended that, CHT or HA at high concentration was the best effective treatments; however, HA was superior and economic treatment recommended for alleviating the adverse impact of salinity stress on Vitex trifolia ‘Purpurea’ plants irrigated with saline water at concentration up to 5000 ppm.

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Section: Proline Contentsupporting

confidence: 93%

Section: Proline Contentsupporting

confidence: 91%

Section: Chemical Constituents Chlorophylls Content and Total Carbohysupporting

confidence: 79%

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Alleviative effects of chitosan or humic acid on Vitex trifolia ‘Purpurea’ grown under salinity stress

2021

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“…The remarkable reduction of morphological characteristics of P. amboinicus are attributed to different levels of salt in irrigation water. Such consequences have been observed in several plant species including Plectranthus forsteri (Krzymińska and Ulczycka-Walorska, 2015 ), P. amboinicus (Karimian et al, 2019 ), and lavender ( Salvia splendens ) (Paraskevopoulou et al, 2020 ). On the other hand, significant increases in the abovementioned growth parameters of P. amboinicus compared with the control (spray with water) were observed when FA was applied as a foliar spray at concentrations of 25 or 50 μM.…”

Section: Discussionmentioning

confidence: 98%

Impact of Folic Acid in Modulating Antioxidant Activity, Osmoprotectants, Anatomical Responses, and Photosynthetic Efficiency of Plectranthus amboinicus Under Salinity Conditions

et al. 2022

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Salinity is a major threat to the sustainability of agricultural production systems. Salt stress has unfavorable implications on various plant physio-morphological and biochemical reactions, causing osmotic and ionic stress. Exogenously applied folic acid (FA) may at least provide one mechanism to evade the injurious stress effects of saline irrigation water on Plectranthus amboinicus. In this regard, two pot trials were performed during the 2018–2019 and 2019–2020 seasons in an open greenhouse of an experimental farm (29°17'N; 30°53'E) in Fayoum, Egypt. We tested four levels of saline irrigation water (SW): 34, 68, and 102 mM NaCl, plus tap water as the control = 0), combined with FA at three concentrations (25 and 50 μM, plus spray with distilled water as the control = 0). The growth parameters, biochemistry, physiology, elemental leaf status, essential oil content, and anatomical responses were assessed. Salt markedly reduced photosynthetic productivity [Fv/Fm and performance index (PI)], total chlorophyll [soil plant analysis development (SPAD)], and leaf osmoprotectant compounds, i.e., total soluble sugars (TSS), free amino acids, proline, and total phenolics, thus hampering P. amboinicus growth and essential oil yield. However, the addition of FA as a foliar spray to P. amboinicus irrigated with saline water induced increases in Fv/Fm, SPAD, and PI. These were linked with enriched stem anatomical structures, leaf osmoprotectant compounds, and enhanced leaf enzymatic activity, e.g., superoxide dismutase, catalase, ascorbate peroxidase, glutathione reductase, glutathione, ascorbic acid, and antioxidant content. Under salt stress, supplementation of 25 and 50 μM FA increased the growth and production of essential oil by 27.8 and 55.6%, respectively, compared with no applied FA. The highest growth characteristics and elemental leaf contents were obtained when P. amboinicus was irrigated with 0 mM saline water and treated foliarly with 50 μM of FA compared with non-treated plants. Overall, these data showed that foliar spraying with FA reduces the impact of salt stress on P. amboinicus irrigated with saline water.

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“…As renowned, the yield, volatile oil attributes and the biosynthesis of chlorophyll influenced by various environmental factors namely the foliar spraying with salicylic and humic acids (Peña-Méndez et al, 2005, Abreuand Munnee´-Bosch, 2008and Rowshan et al, 2010, as well as soil salinity level (Biswas et al, 2011). This biotic limitation is established to convert yield and quality in several plants (Karimian et al, 2019;Es-sbihi et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Using Salicylic Acid and Humic Acid as Foliar Application in Amending the Harmful Influence of Soil Salinity Stress in Common Sage (Salvia Officinalis L.)

Hegazy¹,

Awad²,

Abdelkader³

2021

PLANT ARCHIVES

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In order to amend the harmful effect of soil salinity stress in common sage plants by foliar spray with salicylic acid (SA) and humic acid (HA), two pot experiments were conducted at the Nursery of ornamental plants, Agric. Fac., Zagazig Univ., Sharkia Governorate, Egypt in lath house during the two winter consecutive seasons of 2018/2019 and 2019/2020. The aiming of this work was to investigate the effect of foliar application treatments i.e., sprayed with distilled water (control), 200 ppm salicylic acid (SA), 750 ppm humic acid (HA), 1500 ppm HA, 200 ppm SA+750 ppm HA and 200 ppm SA+1500 ppm HA under various soil salinity levels (0.0, 1000 and 2000 ppm) as well as their combinations on yield components, salt resistance index and volatile oil production as well as some chemical constituents of Salvia officinalis plants. These experiments were arranged in a split-plot design with three replicates. The main plots were occupied by different soil salinity levels and the sub plots were entitled to different salicylic acid and humic acid acids concentrations. The obtained results referred to that herb fresh and dry weights per plant as yield components, volatile oil percentage and volatile oil yield per plant as volatile oil production as well as salt resistance index (%) were recorded. Also, total carbohydrates percentage and total chlorophyll (SPAD unit) in sage leaves was determined. Results showed that using soil salinity levels (1000 and 2000 ppm) significantly decreased yield components, volatile oil yield per plant, total carbohydrates percentage and total chlorophyll content compared to control. In contrast, increasing soil salinity levels gradually increased volatile oil percentage and proline content. In addition, the maximum values of the most of all above mentioned traits were achieved by treating sage plants with 200 ppm SA+1500 ppm HA. Generally, it could conclude that 200 ppm SA+750 or 1500 ppm HA, showed a uniform influence in qualifying of common sage y

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ALLEVIATING THE SALT STRESS EFFECTS IN Salvia splendens BY HUMIC ACID APPLICATION

Cited by 6 publications

References 0 publications

Alleviative effects of chitosan or humic acid on Vitex trifolia ‘Purpurea’ grown under salinity stress

Alleviative effects of chitosan or humic acid on Vitex trifolia ‘Purpurea’ grown under salinity stress

Impact of Folic Acid in Modulating Antioxidant Activity, Osmoprotectants, Anatomical Responses, and Photosynthetic Efficiency of Plectranthus amboinicus Under Salinity Conditions

Using Salicylic Acid and Humic Acid as Foliar Application in Amending the Harmful Influence of Soil Salinity Stress in Common Sage (Salvia Officinalis L.)

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