| ring rot | (n) disease of tomatoes and potatoes and tobacco etc caused by the bacterium Pseudomonas solanacearum, Syn. tobacco wilt, ring disease |
| ring rot bacteria | (n) causes brown rot in tomatoes and potatoes and tobacco etc, Syn. Pseudomonas solanacearum |
| sweet-potato ring rot | (n) disease of sweet potatoes in which roots are girdled by rings of dry rot |
| leak fungus | (n) fungus causing soft watery rot in fruits and vegetables and rings of dry rot around roots of sweet potatoes, Syn. ring rot fungus, Rhizopus stolonifer |