Describe the tap root modification for storage purpose with diagram.

Explanation

Tap root modification - Storage roots
1. Conical Root - These are cone like, broad at the base and gradually tapering towards the apex. e.g. Daucus carota.
2. Fusiform root - These roots are swollen in the middle and tapering towards both ends. eg. Raphamus sativus
3. Napiform root - It is very broad and suddenly tapers like a tail at the apex. e.g. Beta vulgaris