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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 |
ISSN | 0882-4010 |
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 |
DOI | 10.1016/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 |
EISSN | 1096-1208 |
作者邮箱 | sunera@bs.qau.edu.pk ; hassaan@qau.edu.pk |
引用统计 | |
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 |
推荐引用方式 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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