Research on soil‐borne diseases of ginseng due to root exudates

Abstract

In a monocropping pattern for the crop domestication process, the interspecific and intraspecific interaction modes can be changed. In domesticated crops, the intraspecific interactions may have detrimental effects. Moreover, soil‐borne diseases in consecutive monocropped medicinal crops can be a critical challenge that has been difficult to solve. This study has been conducted to evaluate the effect of monoculture and intercropped cultivation on soil‐borne diseases caused by root secretions in American ginseng. The results of the correlation analysis showed that the polyethylenes in the roots had a more negative correlation with the occurrence of soil‐borne diseases than ginsenosides. Therefore, polyethylenes can be considered as an important factor in replanting failure of American ginseng. Furthermore, polyethylenes were able to remain in the soil and have a greater impact on the incidence of soil‐borne diseases than ginsenosides.