Plasma‐activated water to improve the stress tolerance of barley,Plasma Processes and Polymers

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Plasma‐activated water to improve the stress tolerance of barley
Plasma Processes and Polymers ( IF 2.9 ) Pub Date : 2020-01-07 , DOI: 10.1002/ppap.201900123
Krisztián Gierczik _{1,

2} , Tomislava Vukušić ₃ , László Kovács ₄ , András Székely ₁ , Gabriella Szalai ₁ , Slobodan Milošević ₅ , Gábor Kocsy ₁ , Kinga Kutasi ₆ , Gábor Galiba _{1,

2}

Affiliation

It is shown that plasma‐activated water (PAW) improves tolerance against combined low temperature and hypoxia stresses during germination. Due to PAW's effect on the antioxidant system, PAW pretreatment mitigates the reducing effect on plant growth of the hydroponically applied NaCl. PAW pretreatment reduces the salt‐stress‐induced decrease of the cysteine and γ‐glutamylcysteine content and improves the plant's recovery after NaCl stress. PAW pretreatment also modifies the NaCl‐induced changes in carotenoid content, especially, β‐carotenes and xanthophylls. These compounds, together with glutathione can reduce salt‐induced damage through the removal of excess reactive oxygen species, which could be the basis of the protective effect of PAW.

中文翻译：

血浆活化水可改善大麦的抗逆性

结果表明，血浆活化水（PAW）可以提高发芽过程中对低温和缺氧综合胁迫的耐受性。由于PAW对抗氧化剂系统的影响，PAW预处理可减轻水培施用的NaCl对植物生长的还原作用。PAW预处理减少了盐胁迫引起的半胱氨酸和γ-谷氨酰半胱氨酸含量的减少，并改善了NaCl胁迫后植物的恢复。PAW预处理还可以改变NaCl诱导的类胡萝卜素含量的变化，尤其是β-胡萝卜素和叶黄素的变化。这些化合物与谷胱甘肽一起可以通过去除过量的活性氧来减少盐引起的损害，这可能是PAW保护作用的基础。

更新日期：2020-01-07

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