*2.2. Chemicals*

MS (Murashige and Skoog 1962) medium and plant growth regulators (PGRs), such as 2,4-dichlorophenoxyacetic acid (2,4-D), indole-3-acetic acid (IAA), kinetin (Kn), 6-benzylaminopurine (BAP), and 1-naphthaleneacetic acid (NAA), were purchased from Hi-Media, India. Mercuric chloride (HgCl2), sodium hypochlorite (NaClO), and sucrose were also purchased from Hi-Media, India, while agar (plant agar) was purchased from Sigma Aldrich, India.
