3Wang L Y.Research and cultivation update of Chinese tree peony.In:Summary of international peony symposium.Japan:International Peony Symposium Organising Committee,1998.1~5,19~26
4Sakata Y,Aoki N,Sadanobu T,Nishikouri H,Johjima T.Petal coloration and pigmentation of tree peony bred and selected in Daikon Island(Shimane prefecture).J.Jap.Soc.Hort.Sci.,1995,64:351~357
5Smith D.The potential for orange from P.potaninii trolliodes and its hybrids.Paeonia,1998,28(3):3~6
6Smith D.The potential for orange flower color from P.lutea and its hybrids.Paeonia,1999,29(1):1~5
7De Vetten N,Ter Horst J,Var Schaik H P,De Boer A,Mol J,Koes R.A cytochrome b5 is required for full activity of flavonoid 3',5'-hydroxylase,a cytochrome P450 involved in the formation of blue flower colors.Plant Biology,1999,96:778~783
8Martens S,Knott J,Seitz C A,Janvari L,Yu S N,Forkmann G.Impact of biochemical pre-studies on specific metabolic engineering strategies of flavonoid biosynthesis in plant tissues.Biochem.Eng.J.,2003,14:227~235
9Hayashi K.Studien über anthocyane,Ⅳ.Isolierung des paeonins aus den blüten von Paeonia albiflora var.hortensis.Acta Phytochim.,1939,11:80~90
10Hayashi K,Abe K.Studien über anthocyane XXIII.Papier-chromatographische übersicht der anthocyane im pflanzenreich.I.Shigen Kagaku Kenkyusho Iho,1953,29:1~8