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Exogenous application of liquiritin alleviated salt stress and improved growth of Chinese kale plants

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文献类型：外文期刊

作者： Akram, Waheed ¹ ; Yasin, Nasim Ahmad ³ ; Shah, Anis Ali ⁴ ; Khan, Waheed Ullah ⁵ ; Li, Guihua ¹ ; Ahmad, Aqeel ⁶ ; Ahmed, Shakil ⁸ ; Hussaan, Muhammad ⁹ ; Rizwan, Muhammad ¹⁰ ; Ali, Shafaqat ¹⁰ ;

作者机构： 1.Guangdong Acad Agr Sci, Guangdong Key Lab New Technol Res Vegetables, Vegetable Res Inst, Guangzhou 510640, Peoples R China

2.BECS Analyt & Innovat Res Blvd, Lahore, Pakistan

3.Univ Punjab, RO 2 Off, Lahore, Pakistan

4.Univ Narowal, Dept Bot, Narowal, Punjab, Pakistan

5.Univ Punjab, Coll Earth & Environm Sci, Lahore, Pakistan

6.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China

7.Univ Chinese Acad Sci, Beijing, Peoples R China

8.Univ Punjab, Inst Bot, Lahore, Pakistan

9.Govt Coll Univ, Dept Bot, Faisalabad 38000, Pakistan

10.Govt Coll Univ, Dept Environm Sci & Engn, Faisalabad, Pakistan

11.China Med Univ, Dept Biol Sci & Technol, Taichung 40402, Taiwan

关键词： Antioxidants; Brassica oleracea; Liquiritin; Salinity stress

期刊名称：SCIENTIA HORTICULTURAE （影响因子：4.342；五年影响因子：4.342 ）

ISSN： 0304-4238

年卷期： 2022 年 294 卷

页码：

收录情况： SCI

摘要： Current research was designed to evaluate the role of exogenous liquiritin (750 ppm) in alleviation of salt stress in Chinese kale (Brassica oleracea var. alboglabra). Salt stress (2.5 and 5 dS m(-1)) caused ionic phytotoxicity through enhancing sodium content and decreasing plant nutrients such as potassium, calcium and magnesium. The 5 dS m(-1) salinity treatment significantly declined the root length, shoot length, total chlorophyll, total soluble proteins, leaf relative water content, water use efficiency, total glucosinolates, and ascorbic acid of Chinese kale plants by 39%, 35%, 28%, 15%, 26%, 29%, 35%, and 19% respectively as compared to untreated control. Neverthless, liquiritin supplemented plants showed obvious augmentation in the values of these growth parameters under toxic and non toxic regimes. Similarly, salinized plants showed higher amount of hydrogen peroxide (H2O2), malondialdehyde (MDA), flavonoids, total soluble proteins, proline phenolics and free amino acids in addition to activity of antioxidant enzymes including super oxidase, catalase and peroxidase. Never-theless, liquiritin alleviated salt induced oxidative stress through decreasing MDA and H2O2 level besides improving antioxidative machinery in treated plants. The salt stress assuagement in liquiritin treated plants was correlated to the elevated biosynthesis of total free amino acids, proline, and total glucosinolate content besides well-organized antioxidant system.

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