Studies On Effects Of The Physiological And Biochemical Characteristics Of PP₃₃₃ On Potted Peony

Tree peony(Paeonia suffruticosa Andr),a traditional flower in China, gets its popularity for its cultivars and a wide range of colors.It is suitable for cool climate and its ornamental values and appliance area being limited for its batter tolerant in south landscape.With the aims of providing the simple methods for potted lower cultivation and increasing the tolerant of tree peony,and offer scientific basic for application of peony in southern of China for landscape.The main results were follows:1.It can significant increase the Chl(a+b)content in leaves of P. suffruticosa Andr under dissimilar PP₃₃₃concentrations,and the treatments of difference was significant but not to the difference of cultivars.2.The soluble sugar content and the soluble protein content were increased under dissimilar PP₃₃₃concentrations,and the treatments of difference was significant but not to the difference of cultivars.3.The conductivity of peony leaves were vary in dissimilar PP333 concentrations,and the treatments of difference is significant but not to the difference of cultivars,and the MDA content of peony leaves was the lowest in 500 mg/L PP₃₃₃treatment,which was different in dissimilar PP₃₃₃concentration,and the treatments of difference was not significant but not to the difference of cultivars,too.4.The activity of SOD and POD were the highest in 500 mg/L PP333 treatment,which were increased lower than 500 mg/L PP₃₃₃treatment but declined over 500 mg/L PP333 treatment,and the treatments of difference was significant but not to the difference of cultivars.5.The proline of tow cultivars P.suffruticosa Andr 'feng dan'and P. suffruticosa Andr 'wu longpengsheng'were improved by different PP₃₃₃ concentration treatment,and the treatments of difference was significant but not to the difference of cultivars. 6.The P.suffruticosa Andr 'feng dan'was more sensitivity to PP₃₃₃ treantments than P.suffruticosa Andr 'wu longpengsheng'in the tow P. suffruticosa Andr cultivars,and the antioxidant enzyme were higher activities and lower MDA contents under 500 mg/L PP₃₃₃treatment.7.It is good for development and growth of Paeonia suffruticosa Andr.'fengdan' and 'wulongpengsheng' under using of PP₃₃₃500 mg/L treatment in producing.