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The Oxidative Damage and Morphological Changes of Sugar Beet (Beta vulgaris L.) Leaves at Seedlings Stage Exposed to Boron Deficiency in Hydroponics

文献类型： 外文期刊

作者： Song, Xin 1 ; Hao, Xueming 3 ; Song, Baiquan 1 ; Zhao, Xiaoyu 2 ; Wu, Zhenzhen 2 ; Wang, Xiangling 1 ; Du, Jiyu 1 ; Huang 1 ;

作者机构： 1.Heilongjiang Univ, Sch Life Sci, Heilongjiang Prov Key Lab Ecol Restorat & Resourc, Harbin 150080, Peoples R China

2.Heilongjiang Univ, Coll Adv Agr & Ecol Environm, Natl Sugar Crops Improvement Ctr, 74 Xuefu Ave, Harbin 150080, Heilongjiang, Peoples R China

3.Yuankang Shenzhen Agr Technol Co Ltd, Shenzhen 518000, Guangdong, Peoples R China

4.Heilongjiang Acad Agr Sci, Safety & Qual Inst Agr Prod, Harbin 150086, Peoples R China

5.South China Agr Univ, Coll Nat Resources & Environm, Root Biol Ctr, State Key Lab Conservat & Utilizat Subtrop Agro B, Guangzhou 510642, Guangdong, Peoples R China

关键词： Sugar beet; B deficiency stress; Leaf performance parameters; Antioxidant enzymes

期刊名称：SUGAR TECH （ 影响因子：1.591； 五年影响因子：1.688 ）

ISSN： 0972-1525

年卷期：

页码：

收录情况： SCI

摘要： Boron (B) deficiency influences sugar beet development and productivity. A hydroponic set up of experiment was conducted by utilizing different B concentrations to study the impact of different morphological and physiological responses of sugar beet seedlings under B deficiency. The results showed that B deficiency (14 days of stress) inhibited the growth of different plant parts of sugar beet. The B deficiency significantly increased the leaf specific weight (SLW) and the root-shoot ratio of sugar beet seedlings. The activities of peroxidase (POD), catalase (CAT), and superoxide dismutase (SOD) showed a decreasing tendency under B deficiency, while the contents of hydrogen peroxide (H2O2) and superoxide (O-2(-)) increased with B concentration. Malonaldehyde (MDA) and proline contents were induced at B deficiency. In conclusion, B deficiency significantly reduced dry weight and leaf area, resulting in stunted sugar beet seedlings. It was manifested by a significant decrease in antioxidant enzyme activities and accumulation of ROS in the plant cells, inducing oxidative stress. The current study revealed that B deficiency affects plant growth and various morpho-physiological processes.

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