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A pleiotropic plant growth-promoting bacterium and its isolation and screening method

A technology of plant growth-promoting bacteria and microbial strains, which is applied in the field of agricultural microorganisms, can solve problems such as single function, difficult colonization, and inconspicuous plant growth-promoting effects of nutrient transformation, so as to ensure that nutrients and nutrient transformation effects are obvious and good. The effect of conversion and absorption

Active Publication Date: 2021-09-28
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES +1
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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 effects on the transformation of nutrients in the soil and the growth-promoting effect on plants.

Method used

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  • A pleiotropic plant growth-promoting bacterium and its isolation and screening method
  • A pleiotropic plant growth-promoting bacterium and its isolation and screening method
  • A pleiotropic plant growth-promoting bacterium and its isolation and screening method

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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 multi-effect plant growth-promoting bacterium described in the present invention has been preserved in the General Microbiology Center (CGMCC) of the China Microbiological Culture Collection Management Committee (CGMCC) on September 25, 2017, and the preservation number is CGMCC No. 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. The fertilizer is a microbial fertilizer.

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

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

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Abstract

The invention belongs to the field of agricultural microorganisms, specifically a multi-effect rhizosphere growth-promoting bacterium capable of dissolving phosphorus, producing NH3, producing plant growth hormone and producing siderophile, including the preservation number of the multi-effect plant growth-promoting bacterium It is CGMCC No.14664, the application of the multi-effect plant growth-promoting bacteria in fertilizer and microbial inoculant, the separation and screening method of the present invention includes sampling, cultivating strains, strain identification and selection, strain primary selection, and strain re-selection , Strain performance signature and determination 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 an isolation and screening method thereof. Background technique [0002] According to statistics, the amount of fertilizer used per unit area in my country is three times the world average, 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 activity of bene...

Claims

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Application Information

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Patent Type & Authority Patents(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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