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Chinese Agricultural Science Bulletin ›› 2020, Vol. 36 ›› Issue (2): 26-35.doi: 10.11924/j.issn.1000-6850.casb18090023

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The Interaction Mechanism Between Plant Rhizosphere Secretion and Soil Microbe: A Review

Yuan Renwen, Liu Lin, Zhang Rui, Fan Shuying()   

  1. Agricultural College, Jiangxi Agricultural University, Nanchang 330045
  • Received:2018-09-05 Revised:2018-10-08 Online:2020-01-15 Published:2020-04-30
  • Contact: Fan Shuying E-mail:fansy12@126.com

Abstract:

To reveal the pathways and mechanisms of the interaction between plants and soil microorganisms, the authors reviews the research progress of the promotion of plant growth and development by rhizosphere beneficial microorganisms and the effects of plant rhizosphere secretions on soil microbes, mainly include the promoting effect of rhizosphere-promoting microorganism PGPM on plant growth and development, the promotion of biocontrol microorganism BCA on plant growth and development, the composition of root exudates, the function of root exudates, and the pathway of root exudates affecting soil microbes, etc. The authors point out that the research on the mechanism of interaction between plants and soil microorganisms is not deep enough. The research on the screening and adaptability of PGPM strains, the ecological adaptability of biocontrol microorganisms and the mechanism of action on target pathogens, the separation of root secretion, the optimization of the identification method and the allelopathic approach all need to be further studied. In the future, the application of modern molecular biology technology in related research should be increased, and the interaction between plant and soil microorganisms should be further revealed by combining molecular biology techniques with traditional culture methods.

Key words: soil beneficial microorganisms, plant rhizosphere secretions, soil microbial diversity, interaction, pathway, mechanism

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