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Multiple-effect plant growth-promoting bacteria and isolation and screening method thereof

A technology for plant growth-promoting bacteria, separation and screening, applied in the field of agricultural microorganisms, can solve the problems of difficulty in colonization, inconspicuous plant growth-promoting effect of nutrient transformation, single function, etc. and absorption effect

Active Publication Date: 2019-11-22
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES +1
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that single-function microbial strains are often used in the development of existing microbial fertilizers, which have single functions and are difficult to colonize in soil, resulting in inconspicuous problems in the transformation of nutrients in the soil and the effect of promoting growth on plants

Method used

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  • Multiple-effect plant growth-promoting bacteria and isolation and screening method thereof
  • Multiple-effect plant growth-promoting bacteria and isolation and screening method thereof
  • Multiple-effect plant growth-promoting bacteria and isolation and screening method thereof

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific examples.

[0034] A kind of multi-effect plant growth-promoting bacterium described in the present invention has been preserved in the General Microbiology Center (CGMCC) of China Microbiological Culture Collection Management Committee (CGMCC) on September 25, 2017, and the preservation number is CGMCCNo.14664. Preservation address: No. 3, Yard No. 1, Beichen West Road, Chaoyang District, Beijing.

[0035] Application of the multi-effect plant growth-promoting bacteria in fertilizers. Described fertilizer is microbial fertilizer.

[0036] The application of the multi-effect plant growth-promoting bacteria in promoting the growth of crops as a microbial inoculant.

[0037]The pleiotropic plant growth-promoting bacterium is Bacillus aryabhattai. According to the colony morphological characteristics, culture characteristics and physiological and biochemical c...

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Abstract

Multiple-effect plant growth-promoting bacteria and an isolation and screening method are disclosed. The invention belongs to the field of agricultural microbiology and specifically relates to multi-effect plant growth-promoting rhizobacteria with phosphorus-solubilizing, NH3-producing, plant growth hormone-producing and siderophore-producing effects. The preservation number of the multi-effect plant growth-promoting bacteria is CGMCC No. 14664. The multiple-effect plant growth-promoting bacteria are applied to fertilizers and microbial inoculants. The isolation and screening method of the invention includes sampling, cultivation of strains, identification and selection of strains, preliminary selection of strains, re-selection of strains, signing of strain performance and identification of multi-effect strains.

Description

technical field [0001] The invention relates to the field of agricultural microorganisms, in particular to a rhizosphere growth-promoting bacterium capable of dissolving phosphorus, producing NH3, producing plant growth hormone and producing siderophile and its isolation and screening method. Background technique [0002] According to statistics, the current consumption of chemical fertilizers per unit area in my country is three times the world average level, ranking first in the world. Due to the extensive application of chemical fertilizers, a large amount of chemical nutrients in the cultivated soil has accumulated, and problems such as soil acidification and secondary salinization have become more and more prominent. Environmental security and food safety pose serious threats. Improve the production technology mode of excessive application of chemical fertilizers and pesticides in the current agricultural production, improve the soil structure, increase the number and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12N1/02C12Q1/689C12Q1/04C12R1/07
CPCC12N1/02C12N1/20C12Q1/689C12N1/205C12R2001/07
Inventor 姚燕来洪春来程街亮朱为静朱凤香王卫平
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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