Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s13199-016-0457-0 |
The root growth of wheat plants, the water conservation and fertility status of sandy soils influenced by plant growth promoting rhizobacteria | |
Khan, Naeem1; Bano, Asghari1; Babar, M. D. Ali2 | |
通讯作者 | Bano, Asghari |
来源期刊 | SYMBIOSIS
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ISSN | 0334-5114 |
EISSN | 1878-7665 |
出版年 | 2017 |
卷号 | 72期号:3页码:195-205 |
英文摘要 | Plant growth promoting rhizobacteria were isolated and characterized from sandy soils in Pakistan. The role of the rhizobacteria, in association with plant growth regulators, was studied on the roots of wheat grown under water stressed conditions. The plant growth promoting rhizobacteria were characterized on the basis of colony morphology, biochemical traits and identified on the basis of 16S-rRNA gene sequencing which identified the selected isolates Planomicrobium chinense, Bacillus cereus and Pseudomonas fluorescens. Antibacterial and antifungal activities were determined. The fresh cultures (24 h old) of isolates were used to soak the seeds for 2-3 h prior to sowing. The growth regulators salicylic acid and putrescine were applied to the plant as foliar spray at three leaf stage. The plant growth promoting rhizobacteria produced exopolysaccharides that formed soil aggregation around roots of the plants and significantly enhanced water holding capacity of sandy soil. The relative water content (80%) of leaves and root fresh (80%) and dry weight (68%) were higher in plant growth promoting rhizobacteria inoculated plants. The nutrient content of rhizosphere soil of treated plants was also enhanced (Ca 35%, K 34%, Mg 52% and Na 42%) over stressed controls. Integrative use of effective plant growth promoting rhizobacteria in combination with salicylic acid appears to be an effective eco-friendly approach to increase drought tolerance in wheat plants to combat desertification. |
英文关键词 | EPS Plant growth promoting rhizobacteria Sandy soil 16S-rRNA gene sequencing |
类型 | Article |
语种 | 英语 |
国家 | Pakistan ; USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000404395200004 |
WOS关键词 | MUNICIPAL WASTE-WATER ; MAIZE RHIZOSPHERE ; EXOPOLYSACCHARIDE ; BACTERIAL ; DROUGHT ; STRESS ; AZOSPIRILLUM ; BIOREMEDIATION ; INOCULATION ; MUCILAGES |
WOS类目 | Microbiology |
WOS研究方向 | Microbiology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/202621 |
作者单位 | 1.Quaid I Azam Univ, Dept Plant Sci, Phytohormone Iab, Islamabad 45320, Pakistan; 2.Univ Florida, Inst Food & Agr Sci, Dept Agron, Gainesville, FL 32611 USA |
推荐引用方式 GB/T 7714 | Khan, Naeem,Bano, Asghari,Babar, M. D. Ali. The root growth of wheat plants, the water conservation and fertility status of sandy soils influenced by plant growth promoting rhizobacteria[J],2017,72(3):195-205. |
APA | Khan, Naeem,Bano, Asghari,&Babar, M. D. Ali.(2017).The root growth of wheat plants, the water conservation and fertility status of sandy soils influenced by plant growth promoting rhizobacteria.SYMBIOSIS,72(3),195-205. |
MLA | Khan, Naeem,et al."The root growth of wheat plants, the water conservation and fertility status of sandy soils influenced by plant growth promoting rhizobacteria".SYMBIOSIS 72.3(2017):195-205. |
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