Arid
DOI10.1016/j.scienta.2016.01.024
Bacillus pumilus alleviates boron toxicity in tomato (Lycopersicum esculentum L.) due to enhanced antioxidant enzymatic activity
Sirajuddin1; Khan, Alamgir1; Ali, Liaqat2; Chaudhary, Hassan Javed1; Munis, M. Farooq Hussain1; Bano, Asghari1; Masood, Sajid1
通讯作者Masood, Sajid
来源期刊SCIENTIA HORTICULTURAE
ISSN0304-4238
EISSN1879-1018
出版年2016
卷号200页码:178-185
英文摘要

High soil boron (B) concentrations in arid and semi-arid regions of the world are responsible for decreased crop productivity. However, the use of plant growth promoting rhizobacteria (PGPR) can improve the plant growth under stress conditions like high B either due to limited uptake of B or enhanced antioxidants production, as PGPR have been shown to enhance the resistance in plants against various abiotic stresses. A pot experiment was conducted under green house conditions according to completely randomized design (CRD) and comprised of four levels of B (0.45, 10, 20, and 50 mg B kg(-1) soil) either with or without PGPR Plants were grown for 10 weeks after onset of experiment and analyzed for mineral composition including B and antioxidation activity. Shoot fresh weight, shoot dry weight and leaf chlorophyll contents were inhibited to increasing levels of B. Interestingly, shoot K+ concentration tended to increase with increasing B levels, particularly at 50 mg B kg(-1) soil; third level of B (B3). Similarly, highest shoot B concentrations were observed at high levels of B supply (B3) as compared to all other treatments. Likewise, with the increase in external B supply, antioxidant enzymes activities and proline contents in tomato shoot were enhanced. Bacillus pumilus inoculation significantly improved the shoot fresh weight and dry weight of unstressed (control) as well as B-stressed plants. In general, B. pumilus inoculation enhanced the plant antioxidation activity, particularly superoxide dismutase (SOD) and catalase (CAT) antioxidant enzymes. Contrary, the interaction between high B and B. pumilus remained insignificant for limiting the shoot B uptake except for second level of B (B2) which decreased the shoot B accumulation by 21% as compared to non-inoculated B2. Our results suggest that PGPR inoculation confer tolerance in B-stressed plants through the induced plant antioxidation activity. Additionally, PGPR inoculation reduces the shoot B accumulation, however, differential response of shoot B inhibition is expected to increasing B concentrations. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Antioxidants Boron Chlorophyll Shoot ions PGPR
类型Article
语种英语
国家Pakistan
收录类别SCI-E
WOS记录号WOS:000373412300024
WOS关键词GROWTH-PROMOTING RHIZOBACTERIA ; PLANT-GROWTH ; OXIDATIVE STRESS ; MEMBRANE-PERMEABILITY ; SALINITY STRESS ; EXCESS BORON ; WHEAT ; YIELD ; RESPONSES ; RESISTANCE
WOS类目Horticulture
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/196268
作者单位1.Quaid I Azam Univ, Dept Plant Sci, Islamabad 45320, Pakistan;
2.Islamia Univ, Univ Coll Agr & Environm Sci, Dept Hort, Bahwalpur 63100, Pakistan
推荐引用方式
GB/T 7714
Sirajuddin,Khan, Alamgir,Ali, Liaqat,et al. Bacillus pumilus alleviates boron toxicity in tomato (Lycopersicum esculentum L.) due to enhanced antioxidant enzymatic activity[J],2016,200:178-185.
APA Sirajuddin.,Khan, Alamgir.,Ali, Liaqat.,Chaudhary, Hassan Javed.,Munis, M. Farooq Hussain.,...&Masood, Sajid.(2016).Bacillus pumilus alleviates boron toxicity in tomato (Lycopersicum esculentum L.) due to enhanced antioxidant enzymatic activity.SCIENTIA HORTICULTURAE,200,178-185.
MLA Sirajuddin,et al."Bacillus pumilus alleviates boron toxicity in tomato (Lycopersicum esculentum L.) due to enhanced antioxidant enzymatic activity".SCIENTIA HORTICULTURAE 200(2016):178-185.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Sirajuddin]的文章
[Khan, Alamgir]的文章
[Ali, Liaqat]的文章
百度学术
百度学术中相似的文章
[Sirajuddin]的文章
[Khan, Alamgir]的文章
[Ali, Liaqat]的文章
必应学术
必应学术中相似的文章
[Sirajuddin]的文章
[Khan, Alamgir]的文章
[Ali, Liaqat]的文章
相关权益政策
暂无数据
收藏/分享

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。