Yeast extract 0.5 g 4-(2,4-dichlorophenoxy) butyrate 0.5 g (NH4)2HPO4 0.5 g KCl 0.2 g MgSO4.7H2O 0.2 g FeSO4.7H2O 0.001 g CaCl2 0.002 g Distilled water 1000 ml pH 7.2