Intha, N.; Phakdee, N.; Sirijan, M.; Chaiprasart, P. Effect of 2,4-dichlorophenoxyacetic acid on callus induction of Gymnocalycium mihanovichii for In vitro propagation: Effect of 2,4-D and propagation of Gymnocalycium. Naresuan Agric. J. 2022, 19, e0190202.