Complex microbial inoculant composition and application thereof in prevention and treatment of soil-borne diseases of potatoes

Through the complex bacterial agent composition of Bacillus polyamides, Bacillus pierreus and Bacillus subtilis, the problem of unstable effects in the prevention and control of soil-borne diseases in potatoes is solved, efficient green prevention and control is achieved, and potato yield and quality are significantly improved.

CN120290374AActive Publication Date: 2025-07-11INSTITUTE OF VEGETABLES & FLOWERS CHINESE ACADEMY OF AGRICULTURAL SCIENCES
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Patent Information

Application Number
CN202510419720.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2025-07-11
Estimated Expiration
2045-04-03

AI Technical Summary

Technical Problem

The prior art has problems in the prevention and control of potato soil-borne diseases, such as unstable biological control effects, short effective period and major environmental pollution of chemical control, and lacks efficient green prevention and control products.

Method used

The compound bacterial agent composition of Paenibacillus polymyxa ZF129, Paenibacillus peoriae ZF390 and Bacillus subtilis ZF517 was prepared into a wettable powder for potato seed treatment to prevent and treat potato soft rot, nevus disease and scab disease.

Benefits of technology

It significantly improves the prevention and control effect of potatoes on soil-borne diseases, with a yield increase of 14.92%-26.11%, and is environmentally friendly, reducing the use of chemical pesticides.

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Abstract

The invention discloses a complex microbial inoculant composition and application thereof in prevention and treatment of soil-borne diseases of potatoes. The active ingredients of the composite bacterial agent composition disclosed by the invention comprise paenibacillus polymyxa (Paenibacillus polymyxa) ZF129, paenibacillus peoriae (Paenibacillus peoriae) ZF390 and bacillus subtilis (Bacillus subtilis) ZF517, and the active ingredients of the composite bacterial agent composition disclosed by the invention comprise the paenibacillus polymyxa (Paenibacillus polymyxa) ZF129, the paenibacillus peoriae (Paenibacillus peoriae) ZF390 and the bacillus subtilis (Bacillus subtilis) ZF517. The complex microbial inoculant composition also comprises a carrier and an auxiliary agent. According to the invention, paenibacillus polymyxa ZF129, peoriae paenibacillus ZF390 and bacillus subtilis ZF517 are compounded as effective components, and a compound bacterial agent composition formula as a potato seed treatment agent is determined through screening of a carrier and a dispersing agent and verification of a pot experiment, so that the yield increasing effect is obvious.
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Citation Information

Patent Citations

  • Paenibacillus peoriae and application thereof in prevention and treatment of bacterial soft rot of cucumbers

    CN112760258A

  • Paenibacillus polymyxa and application thereof in prevention and treatment of various soil-borne diseases

    CN113249242A

  • Aqueous agrochemical formulations comprising bacterial spores

    CN113993381A

  • Materials and methods for improving plant health

    CN116348589A

  • Potato scab biocontrol bacterium bacillus subtilis ZF517 and application thereof

    CN118978996A