Karrikinolide, a phytoreactive compound derived from smoke, holds potential in horticulture, ecological restoration, and agriculture. This compound exhibits regulatory properties by influencing endogenous cytokinin concentrations and stimulating plant growth.
Cis-Zeatin, a cytokinin plant growth regulator and an isomer of trans-zeatin, promotes callus growth in isolated N. tabacum callus tissue at concentrations between 0.1 and 1 µM.