Improving the effects of salt stress by β-carotene and gallic acid using increasing antioxidant activity and regulating ion uptake in Lepidium sativum L.
IF 3.4 3区 生物学Q1 Agricultural and Biological Sciences
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引用次数: 13
Abstract
Background: Plant growth and development are severely affected by soil salinity. This study was carried out to evaluate the interaction of foliar application of antioxidants (β-carotene and gallic acid) and salt stress on Lepidium sativum seedlings.
Results: Our findings revealed that total dry and fresh weight were adversely affected by 25 mM NaCl salinity stress. Moreover, K+ content decreased while Na+ content increased significantly. The foliar application of β-carotene and gallic acid significantly mitigated the effects of salt stress by regulating ion uptake, reducing H2O2 and malondialdehyde (MDA) content, as well as increasing enzymatic antioxidant activity, phenolic, glutathione, and chlorophyll content.
Conclusions: β-carotene- and gallic acid-treated plants had higher salt tolerance.
背景:土壤盐分严重影响植物的生长发育。研究了抗氧化剂(β-胡萝卜素和没食子酸)叶面施用与盐胁迫对枸杞幼苗的影响。结果:25 mM NaCl盐胁迫对水稻总干重和总鲜重均有不利影响。K+含量显著降低，Na+含量显著升高。叶面施用β-胡萝卜素和没食子酸可通过调节离子吸收、降低H2O2和丙二醛(MDA)含量、提高酶抗氧化活性、酚类物质、谷胱甘肽和叶绿素含量，显著缓解盐胁迫的影响。结论:β-胡萝卜素和没食子酸处理的植物具有较高的耐盐性。
期刊介绍：
Botanical Studies is an open access journal that encompasses all aspects of botany, including but not limited to taxonomy, morphology, development, genetics, evolution, reproduction, systematics, and biodiversity of all plant groups, algae, and fungi. The journal is affiliated with the Institute of Plant and Microbial Biology, Academia Sinica, Taiwan.
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