Changes in growth, photosynthetic pigments and antioxidant system of Hordeum vulgare plant grown under salinity stress via signal molecules application

Sadak, Mervat Shamoon; Dawood, Mona Gergis; El-Awadi, Mohamed El-Sayed

doi:10.1007/s42535-024-00879-3

Vegetos

2024

DOI: 10.1007/s42535-024-00879-3

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Changes in growth, photosynthetic pigments and antioxidant system of Hordeum vulgare plant grown under salinity stress via signal molecules application

Mervat Shamoon Sadak,

Mona Gergis Dawood,

Mohamed El-Sayed El-Awadi

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Cited by 7 publications

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Pre‐harvest application of sodium nitroprusside enhances storage root quality in red beet cultivated under normal and drought conditions

Ferreira,

Henschel,

Mendes

et al. 2024

J Sci Food Agric

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BACKGROUNDThe role of nitric oxide (NO) in plant stress tolerance, as well as in increasing post‐harvest quality, has been extensively demonstrated in several fruits and vegetable crops; however, the effects of its pre‐harvest application on post‐harvest quality are still poorly documented. Therefore, the pre‐harvest application of NO in red beet (Beta vulgaris subsp. vulgaris) plants cultivated under well‐watered and drought conditions was evaluated to assess whether it improves the post‐harvest quality of their storage roots. Red beet plants cultivated under well‐watered (80% of water holding capacity) or drought condition (15% of water holding capacity) were sprayed weekly with water (control) or 100 μmol L−1 sodium nitroprusside (SNP), an NO donor. Sixty‐six days after sowing, red beet roots were harvested, and root yield, total sugar yield, reducing sugars, non‐reducing sugars, proteins, lipids, root ashes, root moisture, soluble solids, titratable acidity, pH, vitamin C, total phenolics, total betalains, betacyanins, betaxanthins and antioxidant capacity were determined.RESULTSWhile drought led to a reduction in root yield, sugars, lipids and titratable acidity, it increased phenolic compounds, betalains and the antioxidant capacity of beets. SNP reversed the negative effects of drought on sugar, lipid and organic acid contents and increased antioxidant capacity independent of stress.CONCLUSIONPre‐harvest SNP treatment reversed drought‐induced yield reductions in beets, while boosting bioactive compounds and antioxidant capacity. It also enhanced vitamin C content independently, indicating its dual role in stress mitigation and beet quality improvement. Future research should explore other crops and stress conditions. © 2024 Society of Chemical Industry.

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Pre‐harvest application of sodium nitroprusside enhances storage root quality in red beet cultivated under normal and drought conditions

Ferreira,

Henschel,

Mendes

et al. 2024

J Sci Food Agric

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Sodium Nitroprusside and Melatonin Improve Physiological Vitality and Drought Acclimation via Synergistically Enhancing Antioxidant Response in Dryland Maize

Ullah,

Saqib,

Khan

et al. 2024

J Plant Growth Regul

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Effect of Exogenous Chitosan on Physiological Characteristics, Photosynthetic Parameters, and Antioxidant Systems of Maize Seedlings Under Salt Stress

Shen,

Jiao,

Zhang

et al. 2024

J Soil Sci Plant Nutr

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Changes in growth, photosynthetic pigments and antioxidant system of Hordeum vulgare plant grown under salinity stress via signal molecules application

Cited by 7 publications

References 92 publications

Pre‐harvest application of sodium nitroprusside enhances storage root quality in red beet cultivated under normal and drought conditions

Pre‐harvest application of sodium nitroprusside enhances storage root quality in red beet cultivated under normal and drought conditions

Sodium Nitroprusside and Melatonin Improve Physiological Vitality and Drought Acclimation via Synergistically Enhancing Antioxidant Response in Dryland Maize

Effect of Exogenous Chitosan on Physiological Characteristics, Photosynthetic Parameters, and Antioxidant Systems of Maize Seedlings Under Salt Stress

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