曹州牡丹以其面积大、花色品种多、栽培历史悠久而甲于天下、名贵稀少品种因结籽少或不结籽，主要采用嫁接方法繁殖，利用稀少品种母株上的芽嫁接在砧木上．既能相对保持其固有的优良特性，又能使之l～2年后开花，提高观赏价值。l材料与方法为提高嫁接成活率，我们在1993年进行 Caozhou peony, with its large area, many flower varieties, long history of cultivation, and a rare and rare variety with few or no seeds, is mainly propagated by grafting, and is grafted onto the rootstock using the buds of rare mother plants. It can not only maintain its inherent excellent characteristics, but also enable it to bloom after l ~ 2 years, and enhance the ornamental value. l Materials and Methods To increase the survival rate of grafting, we conducted in 1993.