Isolation and Characterization of Salt Tolerant Plant Growth Promoting Rhizobacteria from Plants Grown in Tsunami Affected Regions of Andaman and Nicobar Islands

被引：21
|
作者：
Amaresan, Natarajan [1 ,2 ,3 ]
Kumar, Krishna [1 ,2 ,4 ]
Madhuri, K. [1 ,2 ]
Usharani, G. Kannamma [1 ,2 ]
机构：
[1] Cent Agr Res Inst, Div Field Crops, Port Blair, Andaman, India
[2] Cent Agr Res Inst, Div Field Crops, Port Blair, Nicobar Islands, India
[3] Uka Tarsadia Univ, CG Bhakta Inst Biotechnol, Surat, Gujarat, India
[4] Indian Agr Res Inst, Div Plant Pathol, Pusa Campus 110 012, New Delhi, India
来源：
GEOMICROBIOLOGY JOURNAL | 2016年 / 33卷 / 10期
关键词：
Bacillus; diversity; nifH gene; PGP traits; salinity; BACTERIAL STRAINS; AFFECTED SOILS; SALINE SOILS; RICE; DIVERSITY; EXPRESSION; STRATEGIES; BACILLI; STRESS;
D O I：
10.1080/01490451.2015.1128994
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In order to explore salt tolerant plant growth promoting rhizobacteria (PGPR), 121 isolates were recovered from Tsunami affected area of Andaman and Nicobar Islands, India, out of which 23 were grown at 10% NaCl. Out of total isolates grown at 10% NaCl concentration, 14 solubilized phosphate, 13 showed siderophore production, five showed Indole acetic acid (IAA) production and 16 produced one or more extra cellular enzymes. Isolates SJ10 and CR5 showed the highest enzyme production and PGP properties and five isolates showed antagonistic activity against Sclerotium rolfsii. Screening of potential isolates for nitrogen fixing gene (nifH) showed only three isolates (MM3, MM6 and MRC11) possessed nifH gene. Salt tolerant Bacillus PGPR could be used as a bio-inoculant to enhance the crop growth under Tsunami affected soils.
引用
收藏
页码：942 / 947
页数：6
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