Salicylic Acid Modulates Aluminum-induced Oxidative Stress in Roots of Cassia tora Molecular Cloning and Analysis of a Chalone Synthase Gene of Cassia tora Pathogen Identification of Legume Dieback of Cassia tora Cloning and Sequence Analysis of Chalone Synthase Gene from Cassia tora Studies on chemical constituents of hairy root of Cassia tora