It is a process employing the action of micro-organisms and moisture on plants to dissolve or rot away much of the cellular tissues and pectin surrounding bast-fiber bundles.
It facilitates the separation of the fibers from the stem.
It is commonly used in linen production from flax stalks.
It is also used to produce coir from the coconut husk.
Types of retting:
Water retting: It is performed by submerging bundles of the stalk in the water.
Dew retting:This type of retting is acommon method in areas with limited water resources.