Comparison of phenolic compounds and antioxidant activity of two grapvine root cultivars Rasha and Qzel Ozum

Bari, Laya Rezazad; Ghanbari, Atefeh; Darvishzadeh, Reza; Giglou, Mousa Torabi; Baneh, Hamed Doulati

doi:10.52547/fsct.18.111.1

Cited by 1 publication

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“…The 1‐year‐old seedlings of grapes were purchased from a commercial nursery located in Urmia (Iran). The two grapevine cultivars were selected according to their diversity in salinity adaptation (Rezazad Bari et al., 2022). Seedlings of both grape cultivars were transplanted into plastic pots (25 cm diameter and 30 cm height) containing a mixture of perlite and cocopeat (1:1 ratio) in an open hydroponic system.…”

Section: Methodsmentioning

confidence: 99%

Spermidine mitigates salt stress in grapevine with alterations in physicochemical properties and nutrient composition

Shokri,

Amiri,

Barin

2024

J. Plant Nutr. Soil Sci.

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BackgroundPolyamines are plant growth regulators that exert a pivotal role in salt tolerance.AimsThis research focused on investigating the effect of spermidine on morphological and physicochemical characteristics and ion accumulation of two grapevine cultivars under NaCl stress.MethodsA greenhouse experiment was conducted with three factors, including two grapevine cultivars (Vitis vinifera L. cv. Bidaneh‐Sefid and cv. Siah‐Sardasht), four levels of NaCl (together with the nutrient solution, including 0 [control], 20, 40, and 80 mM), and four spermidine levels ([foliar spray], 0 [control], 0.25, 0.5, and 1 mM). The experiment was performed in a factorial trial in accordance with a randomized complete design with three replicates.ResultsVegetative growth indices, including leaf number, fresh and dry weight of shoot, and root, were decreased by NaCl treatments. The application of spermidine positively reduced the effects of NaCl on morphological characteristics. Moreover, NaCl and/or spermidine significantly (p ≤ 0.05) improved antioxidant enzyme activities associated with rising total protein accumulation. NaCl stress significantly decreased ion percentage (calcium, magnesium, phosphate, potassium, iron, and zinc) in the leaves of both cultivars. Based on the results, increasing salinity levels significantly boosted plant Na+ and Cl− percentage, along with increased membrane permeability and malondialdehyde (MDA) concentration. Interestingly, cv. Bidaneh‐Sefid leaves accumulated less Na+ and Cl− compared to the other cultivar. On the other hand, applying spermidine reduced the levels of Na+ and Cl− in both cultivars, and this reduction was associated with a decrease in membrane permeability and MDA concentration.ConclusionsThe findings confirmed the role of spermidine in reducing the negative effects of NaCl, although more investigations with different grapevine cultivars under NaCl stress are required.

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Section: Methodsmentioning

confidence: 99%