Autotoxic Ginsenosides in the Rhizosphere Contribute to the Replant Failure of Panax notoginseng

Our results demonstrated that autotoxicity results in replant failure of Sanqi ginseng. While Sanqi ginseng consecutively cultivated, some ginsenosides can accumulate in rhizosphere soils through root exudates or root decomposition, which impedes seedling emergence and growth.