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Lysobacter solani and application thereof

A technology of lysobacterium and soil, applied in the field of microorganisms, can solve the problems of soil productivity decline, heavy metal pollution of soil, and harm to human health, and achieve the effects of reducing cadmium content, reducing growth stress, and reducing effectiveness

Active Publication Date: 2022-05-13
FENGTIANBAO AGRI TECHOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the acceleration of my country's industrialization process, a large number of toxic heavy metal ions are directly discharged into the soil and water without treatment, causing serious heavy metal pollution to the soil. human health

Method used

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  • Lysobacter solani and application thereof
  • Lysobacter solani and application thereof
  • Lysobacter solani and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Agrolysobacterium FTB-N1 was inoculated in 10 parts of peptone, 5 parts of beef extract powder, 5 parts of sodium chloride, 12 parts of agar, 1000 parts of distilled water, adjusted to pH=7.3, and cultured at 30°C for 72 hours. Agrolysobacterium FTB-N1 fermentation broth was obtained.

Embodiment 2

[0030] Agrolysobacterium FTB-N1 was inoculated in 8 parts of peptone, 4 parts of beef extract powder, 4 parts of sodium chloride, 9 parts of agar, 800 parts of distilled water, adjusted to pH=7.2, and cultivated at 28°C for 96 hours. Agrolysobacter FTB-N1 fermentation broth was obtained.

Embodiment 3

[0032] Agrolysobacterium FTB-N1 was inoculated in 12 parts of peptone, 6 parts of beef extract powder, 6 parts of sodium chloride, 15 parts of agar, and 1200 parts of distilled water, adjusted to pH=7.4, and cultured at 32°C for 48 hours. Agrolysobacterium FTB-N1 fermentation broth was obtained.

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Abstract

The invention provides lysobacter solani and application thereof, and relates to the technical field of microorganisms. The lysobacter solani provided by the invention is lysobacter solani FTB-N1, and is preserved in the General Microbiological Center of China Committee for Culture Collection of Microorganisms on September 2, 2021, and the preservation number of the lysobacter solani is CGMCC No. 23348. The bacterium has the effects of fixing nitrogen and passivating heavy metals, and can convert free nitrogen in air into nitrogen which can be absorbed by crops, so that the nitrogen utilization of the crops is improved; the method can effectively passivate exchangeable cadmium in cadmium-polluted soil, reduce the effectiveness of the exchangeable cadmium, reduce the stress effect of cadmium on crop growth, prevent cadmium from being transferred into crop plants, reduce the cadmium content of crops, and improve food safety.

Description

technical field [0001] The invention belongs to the technical field of microorganisms, in particular to a soil lysobacter capable of fixing nitrogen and passivating soil heavy metals and an application thereof. Background technique [0002] With the acceleration of my country's industrialization process, a large number of toxic heavy metal ions are directly discharged into the soil and water without treatment, causing serious heavy metal pollution to the soil. human health. The situation of soil heavy metal pollution in my country reflects the typical characteristics of extensive and long-lasting, and the problem of remediation and regeneration of heavy metal-contaminated soil is urgent. [0003] There are two main types of remediation methods for heavy metal-contaminated soil: one is to remove pollutants, that is, to transfer pollutants from one place to another; the other is to passivate pollutants, that is, to change from soluble or exchangeable to insoluble effectively ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20B09C1/10C05F11/08C05G3/00C05G3/80C12R1/01C09K101/00
CPCC12N1/20B09C1/10C09K17/14C05F11/08C05G3/00C05G3/80B09C2101/00C09K2101/00
Inventor 陈小飞陈铁成张丽英陈月锋赵杰
Owner FENGTIANBAO AGRI TECHOLOGY CO LTD
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