L-Aspartic Acid Secreted by Panax notoginseng Roots Engineers a Disease-Suppressive Microbiome by Favoring Mortierella alpina over Fusarium

Root rot, incited by a fungal complex, critically threatens the cultivation of the medicinal herb Panax notoginseng. While root exudates are known to architect rhizosphere interactions, the key molecules conferring disease resistance remain elusive.