抹茶苷通过改变理化特性和营养成分减轻葡萄的盐胁迫

IF 2.6 3区农林科学 Q1 AGRONOMY

Journal of Plant Nutrition and Soil Science Pub Date : 2024-06-14 DOI:10.1002/jpln.202400003

Ghaffar Shokri, Jafar Amiri, Mohsen Barin

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引用次数: 0

摘要

多胺是一种植物生长调节剂，在耐盐性中发挥着关键作用。本研究主要探讨了亚精胺对 NaCl 胁迫下两种葡萄栽培品种的形态和理化特性以及离子积累的影响。温室试验采用三个因素，包括两个葡萄栽培品种（Vitis vinifera L. cv. Bidaneh-Sefid 和 cv. Siah-Sardasht）、四个 NaCl 水平（与营养液一起，包括 0 [对照]、20、40 和 80 mM）和四个亚精胺水平（[叶面喷施]、0 [对照]、0.25、0.5 和 1 mM）。植物生长指数，包括叶片数、嫩枝鲜重和干重以及根，在 NaCl 处理下均有所下降。施用亚精胺后，NaCl 对植物形态特征的影响明显降低。此外，NaCl 和/或亚精胺显著提高了抗氧化酶活性（p ≤ 0.05），并增加了总蛋白积累。氯化钠胁迫明显降低了两个品种叶片中的离子百分比（钙、镁、磷酸盐、钾、铁和锌）。结果表明，盐度增加会显著提高植物的 Na+ 和 Cl- 百分比，同时增加膜渗透性和丙二醛（MDA）浓度。有趣的是，变种与其他品种相比，Bidaneh-Sefid 品种叶片积累的 Na+ 和 Cl- 较少。研究结果证实了亚精胺在减少 NaCl 负面影响方面的作用，但还需要对 NaCl 胁迫下的不同葡萄品种进行更多的研究。

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

Background

Polyamines are plant growth regulators that exert a pivotal role in salt tolerance.

Aims

This research focused on investigating the effect of spermidine on morphological and physicochemical characteristics and ion accumulation of two grapevine cultivars under NaCl stress.

Methods

A 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.

Results

Vegetative 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.

Conclusions

The 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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来源期刊

Journal of Plant Nutrition and Soil Science 农林科学-农艺学

CiteScore

4.70

自引率

8.00%

发文量

审稿时长

8-16 weeks

期刊介绍： Established in 1922, the Journal of Plant Nutrition and Soil Science (JPNSS) is an international peer-reviewed journal devoted to cover the entire spectrum of plant nutrition and soil science from different scale units, e.g. agroecosystem to natural systems. With its wide scope and focus on soil-plant interactions, JPNSS is one of the leading journals on this topic. Articles in JPNSS include reviews, high-standard original papers, and short communications and represent challenging research of international significance. The Journal of Plant Nutrition and Soil Science is one of the world’s oldest journals. You can trust in a peer-reviewed journal that has been established in the plant and soil science community for almost 100 years. Journal of Plant Nutrition and Soil Science (ISSN 1436-8730) is published in six volumes per year, by the German Societies of Plant Nutrition (DGP) and Soil Science (DBG). Furthermore, the Journal of Plant Nutrition and Soil Science (JPNSS) is a Cooperating Journal of the International Union of Soil Science (IUSS). The journal is produced by Wiley-VCH. Topical Divisions of the Journal of Plant Nutrition and Soil Science that are receiving increasing attention are: JPNSS – Topical Divisions Special timely focus in interdisciplinarity: - sustainability & critical zone science. Soil-Plant Interactions: - rhizosphere science & soil ecology - pollutant cycling & plant-soil protection - land use & climate change. Soil Science: - soil chemistry & soil physics - soil biology & biogeochemistry - soil genesis & mineralogy. Plant Nutrition: - plant nutritional physiology - nutrient dynamics & soil fertility - ecophysiological aspects of plant nutrition.