涂覆纳米铁颗粒在调节阿佐湾盐分胁迫负面影响方面的潜力

IF 2.4 3区 农林科学 Q1 Agricultural and Biological Sciences
Roya Moloudzadeh, Shahnaz Fathi, Fataneh Yari, Sharareh Najafian, Azam Seyedi
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引用次数: 0

摘要

盐胁迫是威胁药用植物产量的非生物胁迫之一,会对生化和形态参数产生不利影响。管理盐胁迫的一种策略是使用植物营养调节剂来减轻其有害影响。在这项研究中,研究了壳聚糖包裹的 Fe 纳米粒子(包裹的 Fe-NPs)在调节盐胁迫对阿佐旺(Trachyspermum ammi L.)植物生长和生化反应的负面影响方面的积极作用。在对照、低度、中度和高度(分别为 0、25、50 和 75 mM NaCl)盐度胁迫条件下,用包覆的 Fe-NPs(5、10 和 15 μM L-1)处理的植株能显著改善营养状况(氮、磷、钾、铁和铜的吸收)、生长参数(如芽高、根长、芽鲜重、根鲜重和叶片数)和生化指标。与其他处理的植物相比,涂覆了 Fe-NPs 的植物(尤其是 15 μM L-1)中增加的铁降低了 Na,增加了 N、P、K、Fe 和 Cu,保留了更多的光合色素和相对含水量,并且呈现出更高水平的关键渗透溶质,例如芽中的可溶性糖,根中的可溶性糖以及根和芽中的脯氨酸水平较低。涂覆的 Fe-NPs 可通过影响植物的生化特性来减轻盐胁迫对阿娇丸生长的不利影响,具有重要的经济和健康意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

The potential of coated iron nanoparticles for modulating of negative effects of salinity stress in Ajowan

The potential of coated iron nanoparticles for modulating of negative effects of salinity stress in Ajowan

Salinity stress is one of the abiotic stressors that threatening medicinal plant yield with adverse effects on the biochemical and morphological parameters. One strategy to manage salt stress is to use plant nutritional modifiers to lessen its harmful effects. In this study, the positive role of coated Fe-nanoparticles with chitosan (coated Fe-NPs) has been investigated in modulating the negative effects of salinity stress on the growth and the biochemical responses of Ajowan (Trachyspermum ammi L.) plants. In the treated plants with coated Fe-NPs (5, 10, and 15 μM L−1) significantly improved nutritional conditions (absorption of N, P, K, Fe, and Cu), growth parameters (e.g. shoot height, root length, shoot fresh weight, root fresh weight, and leaf number), and biochemical under control, low, moderate, and intense (0, 25, 50, and 75 mM NaCl, respectively) salinity stress conditions. Increased Fe in treated plants with coated Fe-NPs (especially 15 μM L−1) decreased Na, increased N, P, K, Fe, and Cu, preserved their more photosynthetic pigments, and relative water content compared to other treated plants, and presented higher levels of key osmolytes, such as soluble sugars in the shoots and lower levels of soluble sugars in root and proline in root and shoot. Coated Fe-NPs may alleviate the adverse effects of salt stress on Ajowan growth by affecting plant biochemical properties, which is of economic and health significance.

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来源期刊
Horticulture Environment and Biotechnology
Horticulture Environment and Biotechnology Agricultural and Biological Sciences-Horticulture
CiteScore
4.30
自引率
4.20%
发文量
0
审稿时长
6 months
期刊介绍: Horticulture, Environment, and Biotechnology (HEB) is the official journal of the Korean Society for Horticultural Science, was launched in 1965 as the "Journal of Korean Society for Horticultural Science". HEB is an international journal, published in English, bimonthly on the last day of even number months, and indexed in Biosys Preview, SCIE, and CABI. The journal is devoted for the publication of original research papers and review articles related to vegetables, fruits, ornamental and herbal plants, and covers all aspects of physiology, molecular biology, biotechnology, protected cultivation, postharvest technology, and research in plants related to environment.
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