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杨 珍1, 戴传超1, 王兴祥2, 李孝刚2
关键词:  土传真菌病害  根际微生物  微生物多样性  防控技术  作物抗性
Advance in Research on Rhizosphere Microbial Mechanisms of Crop Soil-borne Fungal Diseases
YANG Zhen1, DAI Chuanchao1, WANG Xingxiang2, LI Xiaogang2
1.College of Life Sciences, Nanjing Normal University;2.Institute of Soil Science, Chinese Academy of Sciences
Soil-borne diseases have become a major bottleneck restraining sustainable development of the agriculture in China. Rhizosphere is a window displaying how efficiently a crop uses soil nutrients, a key micro-domain of plant-soil-microbe interactions, as well as a major scene where soil-borne diseases develop. Today when metagenomics is developing so rapidly, any knowledge about interactions between rhizosphere microorganisms and soil-borne fungal diseases is conducive to exploration for effective ways to prevent and control soil-borne diseases from the aspects of microbial community, metabolic function, and disease suppressants. With reference to the databases of Scopus, Web of Science and China National Knowledge Infrastructure, a review is presented in this paper summarizing relationships between soil-borne fungal diseases and rhizosphere microorganisms, discussing pathogenesis of soil-borne disease fungi, and pointing out shortages of the current researches and focal points for future researches. Currently, the incidence of soil-borne fungal diseases is very high in agricultural production of the country, and incidence of most soil-borne fungal diseases is the result of complex infections of a variety of pathogens. Oriented optimization of the structure of rhizospheric microbial communities is an effective way to enhance their antagonism to soil-borne fungal diseases for control of incidence of the diseases. So it is a noteworthy method. So far, quite a number of papers are found in the literature addressing relationships between rhizosphere probiotic microorganisms and health and growth of plants, but few are exploring impacts of harmful bacteria in the rhizosphere on incidence of soil-borne diseases and crop growth. Studies in future should be oriented to systematically assess the incidence and damage of soil-borne fungal diseases, classify soil-borne pathogens by type, explore in depth micro-ecological mechanism of rhizosphere in incidence of soil-borne diseases, and develop a comprehensive technological system for management of soil-borne diseases.
Key words:  Soil-borne fungal diseases  Rhizosphere microorganisms  Microbial diversity  Control technologies  Crop resistance