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The burrowing nematode (Radopholus similis) can cause corm rot of banana (Musa sp.).

Corm rot of a banana pseudostem caused by the banana corm weevil (Cosmopolites sordidus).

Definition

Corm rot is a severe disease symptom of corm-producing plants in which the corm undergoes significant necrosis and decay.

Discussion

Corm rots can be caused by plant pathogens, by insect or animal pests, and by abiotic causes. In Hawaii, corm rots can cause economic damage to taro (Colocasia esculenta) and banana (Musa sp.).