Abstract:Abstract:In order to select out the ornamental peony cultivars which suit condition in hilly land of Yichang,and explore the suitable cultivation measures,we introduced 42 ornamental peony varieties from Heze of Shandong province.Taking two kinds of cultivation measures which were putting up a shed and covering root,with uncovered open air cultivation measure as a control,the decease infection of peony leaves were investigated in July,August and September respectively,and the variance analysis of different varieties,different cultivation measures and different months were taken.The results showed that there were significant differences of the disease resistance in different varieties,different cultivation measures and different months,“Dao jin”with other 18 peony varieties had good resistance to disease;putting up a shed which cultivation measure can significantly reduce the decease infection of peony leaves;with the continuous high temperature and humidity weather,peony leaves disease was developing from light to heavy.