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Characterization and phytostimulatory activity of bacteria isolated from tomato (Lycopersicon esculentum Mill.) rhizosphere
Sunera; Amna; Saqib, Saddam1,2,3; Uddin, Siraj; Zama, Wajid2,3; Ullah, Fazal3,4; Ayaz, Asma; Asghar, Mehrina1; Rehman, Shafiq Ur5; Munis, Muhammad Farooq Hussain; Chaudhary, Hassan Javed
2020
发表期刊MICROBIAL PATHOGENESIS
ISSN0882-4010
卷号140
摘要Replacing agrochemicals with plant growth promoting bacteria (PGPB) may offset some of the environmental impacts of food production. The objectives of this study were to (1) isolate and characterize bacterial strains from tomato rhizosphere, including root, shoot and leaf, (2) select and identify the most promising PGPB strains, (3) verify the phytostimulatory activity and mineral uptake potential of selected strains. Bacterial strains isolated from tomato rhizosphere, were screened for phosphorous (P) solubilization, production of indole acetic acid (IAA), amylase activity, antibiotic resistance, and quick test strip (QTS) for biochemical characterization. The tested strains, positive for all five of these assays were selected for molecular identification and subjected to greenhouse growth trails with tomato and mung bean. Two strains were selected and identified as Bacillus cereus (B. cereus) isolated from rhizosphere and Klebsiella variicola (K. variicola) isolated from root endosphere using 16s rRNA sequences. Both strains produced IAA, gibberellic acid (GA3) and kinetin, however B. cereus showed potential GA3 and IAA production as compared to K. variicola. In tomato, only one growth variable (shoot length) was increased over the control by one of the selected bacterial strains (B. cereus). In mung bean, inoculation with either strain B. cereus or K. variicola increased shoot length and dry weight. Moreover, our results showed that the use of PGPB significantly increased plant growth and Fe, Zn, Ca, Mg, Cu, Na and K contents of plants. It seems that evaluated strains had a higher ability in boosting plant growth and higher yield.
关键词Agrochemicals Phytostimulatory PGPB Bacillus cereus Klebsiella variicola
学科领域Immunology ; Microbiology
DOI10.1016/j.micpath.2020.103966
收录类别SCI
语种英语
WOS关键词GROWTH-PROMOTING RHIZOBACTERIA ; MAIZE ZEA-MAYS ; PLANT-GROWTH ; BENEFICIAL TRAITS ; BACILLUS-CEREUS ; CHLOROPHYLL-A ; STRAINS ; ASSAY ; ACCUMULATION ; COMMUNITIES
WOS研究方向Immunology ; Microbiology
WOS记录号WOS:000517665000028
出版者ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
文献子类Article
出版地LONDON
EISSN1096-1208
作者邮箱sunera@bs.qau.edu.pk ; hassaan@qau.edu.pk
引用统计
被引频次:38[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/21886
专题系统与进化植物学国家重点实验室
作者单位1.Quaid I Azam Univ Islamabad, Dept Plant Sci, Islamabad 45320, Pakistan
2.Mohi Ud Din Islamic Univ, Dept Biotechnol, Nerian Sharif, AJ&K, Pakistan
3.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Chengdu Inst Biol, CAS Key Lab Mt Ecol Restorat & Bioresource Utiliz, Chengdu, Sichuan, Peoples R China
6.Univ Punjab, Coll Earth & Environm Sci, Lahore, Pakistan
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GB/T 7714
Sunera,Amna,Saqib, Saddam,et al. Characterization and phytostimulatory activity of bacteria isolated from tomato (Lycopersicon esculentum Mill.) rhizosphere[J]. MICROBIAL PATHOGENESIS,2020,140.
APA Sunera.,Amna.,Saqib, Saddam.,Uddin, Siraj.,Zama, Wajid.,...&Chaudhary, Hassan Javed.(2020).Characterization and phytostimulatory activity of bacteria isolated from tomato (Lycopersicon esculentum Mill.) rhizosphere.MICROBIAL PATHOGENESIS,140.
MLA Sunera,et al."Characterization and phytostimulatory activity of bacteria isolated from tomato (Lycopersicon esculentum Mill.) rhizosphere".MICROBIAL PATHOGENESIS 140(2020).
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