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A kind of Serratia crimson rubrum with growth-promoting effect and application thereof

A technology of Serratia and Crimson, applied in the field of microbial growth promotion, can solve problems affecting crop yields and restricting the sustainable development of rural economic industries, and achieve the goal of increasing crop yields, alleviating salinization of farmland, and fast growth Effect

Active Publication Date: 2021-04-02
SHANDONG AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

These saline-alkali soils seriously affect crop yields and limit the sustainable development of my country's rural economic industries

Method used

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  • A kind of Serratia crimson rubrum with growth-promoting effect and application thereof
  • A kind of Serratia crimson rubrum with growth-promoting effect and application thereof
  • A kind of Serratia crimson rubrum with growth-promoting effect and application thereof

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Experimental program
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Effect test

Embodiment 1

[0044] Such as figure 1 with 2 As shown, the strain was cultured on LB plate medium (yeast powder, 0.5%, peptone, 1%, sodium chloride, 1%, distilled water, agar, 1.6%, distilled water, sterilized at 121°C for 20min, pH7.0) After 24 hours, the colonies were round, smooth, moist, flat, pale yellow, with regular edges; the bacteria were rod-shaped, Gram-negative, and without spores.

[0045] In addition, through the detection of physiological and biochemical experiments, the physiological and biochemical characteristics of the strain are: positive for catalase, negative for V-P test, positive for D-glucose, positive for L-arabinose, positive for D-mannitol, positive for amylase hydrolysis, and citrate utilization positive.

[0046] A kind of fermented liquid of bacterium is also provided in the present embodiment, the Serratia rubidaea (Serratia rubidaea) 3004J-3 that the slant is preserved is transferred in the test tube that 5ml liquid culture medium is housed, is placed in c...

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Abstract

The disclosure belongs to the technical field of microbial growth promotion, and in particular relates to Serratia crimson rubrum with growth promotion effect and application thereof. The problem of soil salinization has seriously affected the crop yield and the sustainable development of agricultural economy. For the development of saline-alkali soil, some rhizosphere growth-promoting bacteria can improve the salt resistance and alkali resistance of crops, promote the growth of crops, improve the stress resistance of crops, and gradually realize the effect of soil improvement. The present disclosure provides a strain of Serratia rubidaea 3004J-3. It has been verified that the strain can maintain good growth in a saline-alkali environment and has the ability to promote the growth traits of plants in a saline-alkali environment. To further explore its mechanism, the strain has the functions of producing protease, siderophore and decomposing organic phosphorus in the environment. It is of great significance to be applied to the improvement of saline-alkali land and the improvement of plant stress resistance.

Description

technical field [0001] The disclosure belongs to the technical field of microbial growth promotion, and specifically relates to a strain of Serratia rubidaea with growth-promoting effects such as protease production, siderophore, and phosphorus dissolution, and its application. Background technique [0002] The information disclosed in this Background section is only intended to increase the understanding of the general background of the disclosure, and is not necessarily to be taken as an acknowledgment or any form of suggestion that the information constitutes prior art that is already known to those skilled in the art. [0003] Saline-alkali soil is a soil with high salt concentration, which is not conducive to plant growth. It is distributed all over the world. With the rapid increase of population and unreasonable reclamation, the original structure of the soil surface is destroyed, resulting in desertification and salinization of the land. aggravated. In the Huang-Hua...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C12N9/52A01N63/20A01P21/00C09K17/14C12R1/425C09K101/00C09K109/00
CPCA01N63/00C09K17/14C09K2101/00C09K2109/00C12N1/20C12N9/52C12N1/205C12R2001/425
Inventor 杜秉海丁延芹汪城墙王文团刘凯姚良同
Owner SHANDONG AGRICULTURAL UNIVERSITY
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