Identification Symptoms

The disease causes root rot and rhizome rot resulting in typical dry rot of rhizomes from October onwards.

The affected rhizomes appear soft and shrunken to start with, later dry up and become hard.

Foliar yellowing and drying up of foliage which are the normal symptoms of maturity of the crop during October - November would be indistinguishable from the symptoms of the disease affected clumps.

When infected rhizomes are cut open, the infected zones typically appear as dull brown and dark.