Pseudomonas bacterial combination, complex microbial inoculant and application thereof

By applying a combination of Pseudomonas bacteria through root irrigation, the problem of increasing the growth and alkaloid content of Corydalis was solved by utilizing their ability to dissolve inorganic phosphorus and secrete siderophores, resulting in significant growth and increased alkaloid content in Corydalis seedlings and tubers.

CN120796152BActive Publication Date: 2026-02-03INSTITUTE OF TCM HEALTH INDUSTRY CACMS
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Patent Information

Application Number
CN202511300540.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-12
Publication Date
2026-02-03
Estimated Expiration
2045-09-12

AI Technical Summary

Technical Problem

Existing technologies have failed to effectively address the issue of how to utilize rhizosphere growth-promoting bacteria to enhance the growth of Corydalis yanhusuo and increase the content of its key active ingredient, total alkaloids.

Method used

A combination of Pseudomonas bacteria, including Pseudomonas bacteria JF1 and JF2, was applied by root irrigation. This combination was used to promote the growth of Corydalis rhizome and increase the total alkaloid content in the Corydalis rhizome tuber by utilizing its ability to dissolve inorganic phosphorus and secrete siderophores.

Benefits of technology

It significantly promotes the growth of Corydalis seedlings and tubers, increases the total alkaloid content in Corydalis tubers, and improves the yield and quality of Corydalis.

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Abstract

This invention provides a Pseudomonas spp. bacterial composition, a compound bacterial agent, and their applications, belonging to the field of microbial technology. This invention provides a Pseudomonas spp. bacterial composition, comprising Pseudomonas spp. bacteria (… Pseudomonas arcuscaelestis JF1 and ( Pseudomonas hutmensis JF2 and JF2 are growth-promoting bacteria screened from the rhizosphere soil of Corydalis yanhusuo. Pseudomonas bacteria JF1 and JF2 have the ability to solubilize phosphorus and produce iron carriers. As growth promoters, they can be used synergistically to promote the growth of Corydalis yanhusuo seedlings. In particular, they have a significant effect on promoting the accumulation of total alkaloids in Corydalis yanhusuo tubers. They can be used in the artificial cultivation of Corydalis yanhusuo, providing a theoretical basis for improving the yield and quality of Corydalis yanhusuo. They have important guiding significance for the rational and effective use of microorganisms to improve the quality and yield of "Qin medicine"—Corydalis yanhusuo.
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