Inducing Salt Tolerance on Growth and Yield of Sunflower by Applying Different Levels of Ascorbic Acid

Khan, Ameer; Lang, Ingeborg; Amjid, Muhammad Waqas; Shah, Aamir Hassan; Ahmad, Iftikhar; Nawaz, Humera

doi:10.1080/01904167.2013.770526

Cited by 8 publications

(8 citation statements)

References 21 publications

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“…ASA is a water-soluble component and an important antioxidant that scavenge the produced free radicals by salinity stress in the plants. In the present study, the growth of marigold improved by the exogenous application of ASA; these results conform with the findings of previous reports, which indicated that exogenous application of ASA neutralized the salt-induced growth inhibition in different plant species (Khan et al 2013;Akhlaghi et al 2014;Sharma et al 2019). ASA induces the signaling pathway, and this signal interacts with the other constituents of the regulatory network in the plants.…”

Section: Discussionsupporting

confidence: 93%

“…To induce abiotic stress tolerance in some plant species, exogenous application of plant growth regulators, osmoprotectants, and antioxidant compounds are considered (Hemantaranjan 2017). ASA is the most important antioxidant because it is a plant growth promoter, too (Khan et al 2013;Sharma et al 2019). ASA is a water-soluble component and an important antioxidant that scavenge the produced free radicals by salinity stress in the plants.…”

Section: Discussionmentioning

confidence: 99%

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Application of Exogenous Ascorbic Acid Modifies Growth and Pigment Content of Calendula officinalis L. Flower Heads of Plants Exposed to NaCl Stress

Azizi

Farsaraei

Moghaddam

2021

J Soil Sci Plant Nutr

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This study aimed to examine the effects of the exogenous application of ascorbic acid (ASA) on the growth and pigment content of Calendula officinalis L. flower heads under salinity stress. A pot experiment performed as a 5 × 3 × 4 factorial based on a completely randomized design (CRD) to evaluate the response of marigold to ASA foliar application (0, 3, and 6 mM) under five salinity levels (0, 25, 50, 75, and 100 mM NaCl). ASA foliar application on plant growth parameters, carotenoid, total phenolic, total flavonoids, flavonol content, the antioxidant activity of the flower heads, proline content of leaves, cell membrane injury, and water content under salinity stress investigated. The results indicated that ASA and NaCl levels had significant effects on all studied characteristics, and ASA application was practical to mitigate the adverse effect of NaCl stress. By increasing NaCl levels, the growth, dry matter, carotenoid, flavonoid, and flavonol contents of marigold flowers were decreased; these characteristics increased by ASA application (especially 6 mM). While by increasing NaCl, the proline and total phenolic contents, antioxidant activity, and cell membrane injury increased, and these traits decreased by using ASA. At the highest NaCl concentration (100 mM), application of 6 mM ASA increased total dry biomass, dry matter of flower, carotenoid, total phenolic, and flavonoid content of the flower by 51.11%, 2.71%, 1.63%, 31.5%, and 1.65%, respectively. Whereas by using 6 mM ASA at 100 mM NaCl concentration, antioxidant activity, proline content, and cell membrane injury decreased by 2.51%, 33.34%, and 6.17%, respectively. Therefore, using 6 mM, ASA had more effective influences than 3 mM. Foliar ASA spraying enhanced secondary metabolites of marigold. Also, ASA application helped the plants resistant to salt stress by several mechanisms, including increasing proline and cell membrane stability.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Application of Exogenous Ascorbic Acid Modifies Growth and Pigment Content of Calendula officinalis L. Flower Heads of Plants Exposed to NaCl Stress

Azizi

Farsaraei

Moghaddam

2021

J Soil Sci Plant Nutr

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“…Our study showed that exogenous AsA treatment increased total chlorophyll content in control and stress groups ( Table 1). Similar to our findings, Khan et al [24] have reported that foliar AsA treatment of sunflower exposed to salt stress increased total chlorophyll content on leaves.…”

Section: Discussionsupporting

confidence: 93%

Exogenous ascorbic acid improves defence responses of sunflower (Helianthus annuus) exposed to multiple stresses

Kaya

2017

Acta Biologica Hungarica

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Ascorbic acid is an important antioxidant that plays role both on growth and development and also stress response of the plant. The purpose of this study was to determine the effect of ascorbate on physiological and biochemical changes of sunflower that was exposed to multiple stresses. Chlorophyll and carotenoid contents decreased and glutathione, ascorbate and malondialdehyde contents as well as antioxidant enzyme activities increased for sunflower plant that was exposed to 50 mM NaCl and pendimethalin at different concentrations. These changes were found to be more significant in groups simultaneously exposed to both stress factors. While malondialdehyde content decreased, chlorophyll, carotenoid, ascorbate, glutathione contents and antioxidant enzyme activities increased in plants treated exogenously with ascorbate, compared to the untreated samples. According to the findings of our study; compared to individual stress, the effect of stress is more pronounced in sunflower exposed to multiple stresses, and treatment with exogenous ascorbate reduces the negative effects of stress.

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“…It has been observed previously that Potential antioxidants produced within plants and applied exogenously reduced the effects of stresses in plants (Athar et al 2008(Athar et al , 2009Khan et al 2013;Alhasnawi et al 2015;Agada 2016). Ascorbic acid is a strong antioxidant, and it involves in cell wall expansion, cell division, stimulate total leaf area, promote photosynthetic pigments and improve the tolerance of plants against multifarious stresses by scavenging ROS (Gallie 2013;Hameed et al 2015;Dey et al 2016).…”

Section: Discussionmentioning

confidence: 99%

“…Exogenous application of antioxidants has been proved to be useful in the amelioration of salt stress by scavenging the free radicals produced under stressful environment and protect the organism from different effects of stresses (Athar et al 2008(Athar et al , 2009El-Soud et al 2013;Khan et al 2013). Among different antioxidants, ellagic acid (EA) appeared one of the best to scavenge the ROS due to its polyphenolic characteristics.…”

Section: Introductionmentioning

confidence: 99%

Effect of ellagic acid on growth and physiology of canola (Brassica napus L.) under saline conditions

Khan

Nazar

Lang

et al. 2017

Journal of Plant Interactions

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Salinity stress is limiting growth and productivity of plants in many areas of the world. Plants adopted different strategies to minimize the effect of salt stress. A pot experiment was conducted to investigate the morphological and physiological changes produced in Canola (Brassica napus) by exogenous application of ellagic acid (EA) under saline conditions. EA is an antioxidant, expected to reduce the effect of salinity stress. The seeds of two canola cultivars, Rainbow and Oscar, were soaked for 6 h with different concentrations of EA (0, 55 and 110 µg/ml). The soaked seeds were sown in small pots. Salt stress was imposed on the plants by applying NaCl solutions of different concentrations (0, 60 and 120 mM) and the duration of stress was for four weeks. Salinity stress reduced seed germination and disturbed the morphological and physiological attributes of B. napus. Application of EA as seed soaking reduced the effect of salinity and enhanced the growth of plants. Overall, we could confirm a significant role of EA by inducing salinity tolerance in B. napus. ARTICLE HISTORY

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Inducing Salt Tolerance on Growth and Yield of Sunflower by Applying Different Levels of Ascorbic Acid

Cited by 8 publications

References 21 publications

Application of Exogenous Ascorbic Acid Modifies Growth and Pigment Content of Calendula officinalis L. Flower Heads of Plants Exposed to NaCl Stress

Application of Exogenous Ascorbic Acid Modifies Growth and Pigment Content of Calendula officinalis L. Flower Heads of Plants Exposed to NaCl Stress

Exogenous ascorbic acid improves defence responses of sunflower (Helianthus annuus) exposed to multiple stresses

Effect of ellagic acid on growth and physiology of canola (Brassica napus L.) under saline conditions

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