Influence of Rooting Powder and Culture Substrata on Rooting of Different Traditional Cultivars of Paeonia suffruticosa

Effects of 'ABT1'rooting powder and substretes on the rooting of cuttings of the 32 traditional cultivars of Paeonia suffruticosa were researched.The results showed that Paeonia suffruticosa was a group of plants which had difficult root or root types of skin.The effects of 'ABT1'in different concentrations on rooting of uttings of the 29 traditional cultivars of Paeonia suffruticosa were sihnificant.It was suitable to take perlite as substrate;The most appropriate concentration of ABT1 rooting powder solution was 500 mg/L.Different species of traditional cultivars of Paeonia suffruticosa were significantly different on numbers of root,root length and rate of rooting.'Yubanbai','Baiyu','Lantianyu','Yingluo Baozhu','Zhuangyuanhong','Zhongshenghong','Shibahao','Qingshan Guanxue','Luoyanghong'and'YinfenJinlin'so on were much easilier rooting.And conversely 'Yipin Zhuyi','Yaohuang','Zhaofen','Xiaohuhong' and 'Shengdanlu'were difficultlier rooting.