Arid
DOI10.1007/s13205-018-1488-4
Characterization of mineral phosphate solubilizing and plant growth promoting bacteria from termite soil of arid region
Chakdar, Hillol1; Dastager, Syed G.2; Khire, Jayant M.2; Rane, Digeshwar2; Dharne, Mahesh S.2
通讯作者Chakdar, Hillol ; Dharne, Mahesh S.
来源期刊3 BIOTECH
ISSN2190-572X
EISSN2190-5738
出版年2018
卷号8期号:11
英文摘要

Five highly efficient phosphate solubilizing bacteria, viz., Pantoea sp. A3, Pantoea sp. A34, Kosakonia sp. A37, Kosakonia sp. B7 and Bacillus sp. AH9 were isolated from termitorial soils of Sanjivani island of southern Maharashtra, India. These isolates were characterized and explored for phosphate solubilization and plant growth promotion. Among these, Bacillus sp. AH9 showed highest phosphate solubilization index (3.5) and solubilization efficiency (250%) on Pikovskaya agar. Interestingly, Pantoea sp. A34 displayed maximum mineral phosphate solubilization (1072.35mg/L) in liquid medium and during this period the pH dropped to 3.13. All five isolates had highest P solubilization at 48h after inoculation. During mineral phosphate solubilization, both gluconic acid and 2-keto gluconic acid were produced by Kosakonia and Bacillus isolates, while only 2-keto gluconic acid was detected in Pantoea isolates. Highest organic acid (39.07 +/- 0.04g/L) production was envisaged in Bacillus sp. AH9, while Pantoea sp. A34 produced the least amount (13.00 +/- 0.01g/L) of organic acid. Seed bacterization with Pantoea sp. A3 and Kosakonia sp. A37 resulted in 37% and 53% increase in root length of tomato seedlings, respectively, while Pantoea sp. A34 and Kosakonia sp. B7 had deleterious effects on root length as well as overall growth of the seedlings. To our knowledge, this is the first report of plant growth promoting potential of microorganisms isolated from termitorial soil of Sanjivani island, which is a drought-prone area. Therefore, such efficient growth promoting P solubilizers can offer an effective solution for sustainable agriculture in arid, dryland farming and drought-prone regions.


英文关键词Termite P solubilizing bacteria Tri-calcium phosphate Organic acids Plant root elongation
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000450734900001
WOS关键词MICROBIAL DIVERSITY ; INORGANIC PHOSPHATES ; ROCK PHOSPHATE ; MICROORGANISMS ; COMMUNITY ; RHIZOSPHERE ; PHOSPHORUS ; MOUNDS ; NEST ; GUT
WOS类目Biotechnology & Applied Microbiology
WOS研究方向Biotechnology & Applied Microbiology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/207139
作者单位1.NBAIM, ICAR, Mau 275103, Uttar Pradesh, India;
2.Natl Chem Lab, Natl Collect Ind Microorganisms NCIM Resource Ctr, CSIR, Pune, Maharashtra, India
推荐引用方式
GB/T 7714
Chakdar, Hillol,Dastager, Syed G.,Khire, Jayant M.,et al. Characterization of mineral phosphate solubilizing and plant growth promoting bacteria from termite soil of arid region[J],2018,8(11).
APA Chakdar, Hillol,Dastager, Syed G.,Khire, Jayant M.,Rane, Digeshwar,&Dharne, Mahesh S..(2018).Characterization of mineral phosphate solubilizing and plant growth promoting bacteria from termite soil of arid region.3 BIOTECH,8(11).
MLA Chakdar, Hillol,et al."Characterization of mineral phosphate solubilizing and plant growth promoting bacteria from termite soil of arid region".3 BIOTECH 8.11(2018).
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