Effect of some Growth Regulators and Fertilization on Growth and Active Constituents of Vincasp, Plants

The present study was conducted to determine the effect of different levels of chemical fertilizers including nitrogen, phosphorus and potassium combined with different concentrations of two growth regulators i.e. gibberellin and cycocel, to reveale the optimum levels of these growth factors which induce highest production of alkaloidal yield of Catharanthus roseus plant.