[Objective] The study was to research the effects of B9 and CCC with different concn.on the growth,flowering and physiological characteristics of Chrysanthemum morifolium and provide the theoretical basis for dwarfing cultivation of C.morifolium.[Method] In the pot test,with the treatment of spraying clear water as CK,B9 and CCC with different concn.(500,800,1 000,1 200 and 1 500 mg/L)were sprayed on C.morifolium to study their effects on the growth,flowering and physiological characteristics of C.morifoliu...