27 January 2024 | Sai Guo, Zixuan Jiao, Zhiguang Yan, Xinyue Yan, Xuhui Deng, Wu Xiong, Chengyuan Tao, Hongjun Liu, Rong Li, Qirong Shen, George A. Kowalchuk & Stefan Geisen
A study published in Nature Communications reveals that predatory protists reduce bacterial wilt disease in tomato plants. The research, conducted over eleven growing seasons under three fertilization regimes—conventional, organic, and bioorganic—found that predatory protists, particularly two ciliophoran species, are negatively associated with disease incidence. Bioorganic fertilization enhances the abundance of these predatory protists, which directly consume pathogens and indirectly promote pathogen-suppressive microorganisms in the soil. The study demonstrates that predatory protists reduce bacterial wilt disease in tomato plants through both direct and indirect mechanisms. The findings suggest that predatory protists play a crucial role in plant disease suppression and could be used to develop more sustainable agricultural practices. The study highlights the importance of predatory protists in maintaining soil health and reducing the impact of soil-borne pathogens on crop production. The research provides insights into the complex interactions between soil organisms and plant health, emphasizing the need for further investigation into the role of predatory protists in agricultural systems.A study published in Nature Communications reveals that predatory protists reduce bacterial wilt disease in tomato plants. The research, conducted over eleven growing seasons under three fertilization regimes—conventional, organic, and bioorganic—found that predatory protists, particularly two ciliophoran species, are negatively associated with disease incidence. Bioorganic fertilization enhances the abundance of these predatory protists, which directly consume pathogens and indirectly promote pathogen-suppressive microorganisms in the soil. The study demonstrates that predatory protists reduce bacterial wilt disease in tomato plants through both direct and indirect mechanisms. The findings suggest that predatory protists play a crucial role in plant disease suppression and could be used to develop more sustainable agricultural practices. The study highlights the importance of predatory protists in maintaining soil health and reducing the impact of soil-borne pathogens on crop production. The research provides insights into the complex interactions between soil organisms and plant health, emphasizing the need for further investigation into the role of predatory protists in agricultural systems.