中国野生牡丹自然繁殖特性研究

根据在甘肃、陕西、四川、云南和西藏等地的考察结果，论述了中国野生牡丹自然繁殖特性，将牡丹的繁殖划分为兼性营养繁殖和专性有性繁殖两种基本类型。前者包括紫牡丹（Ｐａｅｏｎｉａｄｅｌａｖａｙｉ）、黄牡丹（Ｐ．ｌｕｔｅａ）、狭叶牡丹（Ｐ．ｐｏｔａｎｉｎｉ）、矮牡丹（Ｐ．ｓｐｏｎｔａｎｅａ）和卵叶牡丹（Ｐ．ｑｕｉ），它们以多种形式的营养繁殖为主，种子繁殖为辅；后者包括大花黄牡丹（Ｐ．ｌｕｔｅａｖａｒ．ｌｕｄｌｏｗｉ）、四川牡丹（Ｐ．ｄｅｃｏｍｐｏｓｉｔａ）、紫斑牡丹（Ｐ．ｒｏｃｋｉ）和杨山牡丹（Ｐ．ｏｓｔｉ），种子繁殖是其唯一的繁殖途径。讨论了繁殖特性在野生牡丹种质资源保护和利用中的重要意义。

The Natural Propagation Characteristics of Wild Tree Peony Species in China

Based on the investigation of natural propagation characteristics of wild tree peony species in Gansu,Shaanxi,Sichuan,Yunnan and Tibet,the propagation of tree peonies in their native habitat could be divided into two basic types. One is the facultative vegetative reproduction,including Paeonia delavayi,P. lutea,P. potaninii,P. spontanea and P. quii. These species propagate themselves mostly depanding on various vegetative organs such as rhizome,sucker and root tuber and the seeds plays a supplementary role. The other is the obligate seed reproduction,including P. lutea var. ludlowii,P. decomposita,P. rockii and P. ostii. These species specialize in sexual reproduction or they reproduce themselves only by seeds.