Experiments include; breaking dormancy in seeds, rooting cuttings, killing weeds, preventing leaves from dropping. Suitable for GCSE students. Contents: Culture Medium, Indol-3-yl acetic acid, Lanolin, Gibberellic acid, Sucrose, 0.1% IAA in lanolin paste, Coumarin, N.A.A., 0.01% IAA in lanolin paste, Thiourea, 2,4-D, Ethrel ‘e’, Tetrazolium chloride, Agar.