Boron inhibits aluminum-induced toxicity to citrus by stimulating antioxidant enzyme activity

被引：20
|
作者：
Yan, Lei [1 ]
Riaz, Muhammad [1 ]
Wu, Xiuwen [1 ]
Du, Chenqing [1 ]
Liu, Yalin [1 ]
Lv, Bo [1 ]
Jiang, Cuncang [1 ]
机构：
[1] Huazhong Agr Univ, Coll Resources & Environm, Microelement Res Ctr, Wuhan 430070, Hubei, Peoples R China
来源：
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART C-ENVIRONMENTAL CARCINOGENESIS & ECOTOXICOLOGY REVIEWS | 2018年 / 36卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Aluminum toxicity; antioxidant enzyme; boron; trifoliate orange rootstock; HYDROGEN-PEROXIDE; ROOT ELONGATION; ASCORBATE PEROXIDASE; SUPEROXIDE-DISMUTASE; CELLULAR MECHANISMS; SUPPLEMENTAL BORON; RESISTANCE; GROWTH; WHEAT; TOLERANCE;
D O I：
10.1080/10590501.2018.1490513
中图分类号：
R73 [肿瘤学];
学科分类号：
100214 ;
摘要：
Aluminum (Al) toxicity is a major factor limiting plant productivity. The objective of the present study was to develop the mechanisms of boron (B) alleviating aluminum toxicity in citrus. The results showed that aluminum toxicity severely hampered root elongation. Interestingly, under aluminum exposure, boron supply improved superoxide dismutase activity while reducing peroxidase, catalase and polyphenol oxidase activities. Likewise, the contents of H2O2, lipid peroxidation, protein and proline in roots were markedly decreased by boron application under aluminum exposure. Our results demonstrated that boron could alleviate aluminum toxicity by regulating antioxidant enzyme activities in the roots.
引用
收藏
页码：145 / 163
页数：19
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