Keyword :
C. quaduloculare , C. bungei , C. phillippinum , Clerodendrum thomsoniae , paclobutrazol )Bonzi( , ancymidol )A-Rest( , daminozide )B-Nine( , gibberellic acid )Pro-Gibb( , photoperiod , growth retardants , C. ugandense , C. speciosissimum and C. paniculata