释义 |
ring rot noun 1. : decay in a log following closely the annual rings 2. a. : a disease of sweet potatoes caused by a fungus (Rhizopus stolonifer) in which the roots are girdled by bands of dry rot b. : a disease of potatoes caused by a bacterium (Corynebacterium sepedonicum) and characterized by browning of the ring of vascular bundles — called also ring disease c. : brown rot 1c |