Elucidating the molecular profile of pathogens inducing rhizome rot in ginger (Zingiber officinale Rosc.)

Rhizome rot is the leading debilitating disease affecting ginger, prevalent in various regions of India where the crop is cultivated. This term refers to all diseases impacting the rhizome, regardless of the pathogens involved, as they ultimately result in partial or total rhizome loss. The disease arises from the interaction of multiple pathogens, creating a complex scenario that complicates management strategies. The specific pathogens involved influence both the nature of the damage and the symptoms exhibited. The present study carried out to understand the complex nature of the disease and pathogens involved in the disease development. Molecular characterization identified the causative organisms at the species level, including Pythium aphanidermatum, Fusarium oxysporum, Fusarium solani, Sclerotium rolfsii, Ralstonia solanacearum, Meloidogyne hapla, and Meloidogyne enterolobii.