A: The “beard,” as you call it, is a mass of aerial adventitious roots. Instead of coming out of a stem or root, like normal roots do, adventitious roots emerge from bark tissue or leaves.

To gain insights into the molecular mechanisms underlying hormonal regulation in adventitious roots and during their emergence under waterlogged conditions in wheat, the present study investigated ...

These results showed a great potentiality of adventitious root cultures for the production of andrographolide. Current Science is a fortnightly journal published since 1932 by the Current Science ...