Rhizobacterial consortium mediated aroma and yield enhancement in basmati and non-basmati rice ( Oryza sativa L.)

被引：19

作者：

Dhondge, Harshal V. ^{[1
]}

Pable, Anupama A. ^{[2
]}

Barvkar, Vitthal T. ^{[1
]}

Dastager, Syed G. ^{[3
]}

Nadaf, Altafhusain B. ^{[1
]}

机构：

[1] Savitribai Phule Pune Univ, Dept Bot, Pune 411007, Maharashtra, India

[2] Savitribai Phule Pune Univ, Dept Microbiol, Pune 411007, Maharashtra, India

[3] Natl Chem Lab, CSIR, Natl Collect Ind Microorganisms, NCIM, Pune 411008, Maharashtra, India

来源：

JOURNAL OF BIOTECHNOLOGY | 2021年 / 328卷

关键词：

Basmati rice; Non-basmati rice; 2-Acetyl-1-pyrroline; Rhizosphere; Yield; Plant growth promotion; ROOT COLONIZATION; MYCORRHIZAL FUNGI; IMPROVING GROWTH; GLYOXALASE-I; 2-ACETYL-1-PYRROLINE; PROLINE; METHYLGLYOXAL; STRESS; BACTERIA; QUANTIFICATION;

D O I：

10.1016/j.jbiotec.2021.01.012

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Basmati and non-basmati rice varieties are commercially important. Aromatic rice varieties are low yielding and recently depletion in aroma is observed due to the shift towards modern agriculture. Therefore, it is necessary to restore the aroma and increase the yield through sustainable agriculture. The use of microbial bioinoculants is one of the promising ways to achieve these targets. With these objectives, rhizospheric bacterial strains Enterobacter hormaechei (AM122) and Lysinibacillus xylanilyticus (DB25) having the property of synthesizing 2acetyl-1-pyrroline (2AP) were isolated from the rhizosphere of two aromatic rice varieties, Ambemohar-157 and Dehradun Basmati respectively and their effect on plant growth, aroma and yield enhancement under mono-inoculation and consortium conditions was analyzed. The bacterial inoculum in consortium resulted in significant improvement in vegetative growth, yield and 2AP content over mono inoculation and control. The study highlights the potential of E. hormaechei and L. xylanilyticus in plant growth, yield and aroma enhancement in basmati and non-basmati rice varieties. These strains can be taken up further for developing a commercial bioformulation.

引用

页码：47 / 58

页数：12

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