Plants growth regulators, especially auxins and cytokinins are critical for in-vitro plant regeneration. The effect of plant growth regulators on the in-vitro propagation of Senna alata (Linn) was investigated. Mature seeds were collected from the medicinal garden of National Centre for Genetic Resources and Biotechnology (NACGRAB), Ibadan (Lat.7022I N and long.3050I E). Seeds of the species we...