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首页> 外文期刊>Plant Physiology and Biochemistry >Salicylic acid increases drought adaptability of young olive trees by changes on redox status and ionome
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Salicylic acid increases drought adaptability of young olive trees by changes on redox status and ionome

机译：水杨酸通过氧化还原状态和离子的变化增加了年轻橄榄树的干旱适应性

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摘要

Different SA concentrations (10, 100 and 1000 mu M) were applied in young olive trees (Olea europaea L.) subjected to drought and rewatering. Plants treated with 10 mu M exhibited a close behavior to SA-starved plants. Although both 100 and 1000 mu M improved the balance between ROS production and scavenging, 100 mu M was more efficient. During drought, 100 mu M improved ROS detoxification and scavenging by the maintenance or overaccumulation of soluble proteins. During recovery, soluble proteins return to well-watered values and increased the investment in non-enzymatic antioxidants. 100 mu M was also the most effective in plant ionome regulation, improving macro and micronutrients uptake, namely P, Fe, Mn and Zn, and changing mineral allocation patterns. Therefore, 100 mu M also countered the drought-induced decline in total plant biomass accumulation. The application of suitable SA concentrations is an efficient tool to improve cellular homeostasis and growth of plants subjected to recurrent drought episodes.
机译：不同的SA浓度（10,100和1000μm）施用于幼橄榄树（Olea Europaea L.）进行干旱和再水中。用10μm处理的植物表现出对Sa饥饿的植物的紧密行为。虽然100和1000 mu m都改善了ROS生产和清除之间的平衡，但是100亩米更有效。在干旱期间，100亩改善ROS排毒，通过维持或过度累积清除可溶性蛋白质。在恢复过程中，可溶性蛋白质恢复到浇水的值并增加了非酶促抗氧化剂的投资。 100亩M是植物离子调控中最有效的，改善宏观和微量营养素摄取，即P，Fe，Mn和Zn，以及改变矿物分配模式。因此，100亩也反击了干旱诱导的总植物生物质积累的下降。合适的SA浓度的应用是一种有效的工具，可以改善细胞稳态和经常性干旱发作的植物的生长。

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