The Resources Investigation and Breeding Significance of Rhododendron in Sichuan

China is the mainly distribution center of Rhododendron,in which the resources are very rich in Sichuan,but the exploitation degree is lower at present.The species and distribution of partial Rhododendron in Sichuan,and analyzed their breeding advantages by means of investigation in some years,including Muli,Xichang,Kangding,Luding,Ya'an,Hongya,Wenchuan,Guangyuan,Beichuan,Mianzhu,Pengzhou and so on were introduced.All of these were expected to provide related data for deeply developing Rhododendron breeding.