Abstract:
Through 7 years of implementation of seed orchard establishment,the first generation clonal seed orchard of Paraserianthes falcataria was established in Dianbai County,Guangdong Province,which area was 541hm2.And then summarized some key establishment technology for clonal seed orchard of Pfalcataria such as plus tree selection,grafting,establishment.The results showed that there were 87 plus clones in the orchard,and their average height, grafting caliber,crown were 290m,683cm,397m,respectively.Besides,the crown and height ratio was 168.In the orchard, the dwarfing effect of plants was obvious and the crown was umbrellatype.5056% plants reached the flowering and productive phase stage,which suggested blooming period of Pfalcataria was shorten, and orchard seed was promoted earlier.