The crop has a great potential in future due to respected increase in demand for forskolin widely used in glaucoma, cardiac problem and also used in treatment of certain type of cancer (Shah et al., 1980). Plant growth regulators are group of naturally occurring, organic substances which effect growth processes at minute concentration, synthesized at one plant part and are capable of translocation to site of its action and regulating one or more physiological activity like Photosynthesis rate, Stomatal conductance, Co2 utilization (ppm) and H2O utilization. |