榆属植物新品种DUS测试指南性状特征研究  

Study on the Characteristics for Tests Guidelines of Distinctness,Uniformity and Stability for New Varieties of Ulmus

作　　者：周继磊 段春玲 解荷锋 张鹏远 李辉 李兴 孙浩 李景涛 ZHOU Ji-lei;DUAN Chun-ling;XIE He-feng(Shandong Forestry Seed and Flower Station,Jinan,Shandong 250014)

机构地区：[1]山东省林木种苗和花卉站,山东济南250014

出　　处：《安徽农业科学》2018年第23期71-72,85,共3页Journal of Anhui Agricultural Sciences

基　　金：山东农业良种工程重大课题"林木种质资源收集保护与评价"(鲁科字[2014]96号)

摘　　要：[目的]制定榆属植物新品种DUS测试指南。[方法]通过野外调查、标本采集和文献查阅,对国内外31个榆属植物种、变种、无性系和授权新品种主要性状特征进行准确描述和科学分级。[结果]筛选确定了38个基本性状,划分了105个表达状态或等级。[结论]该研究为榆属植物种类鉴别和新品种DUS测试提供参考。[Objective] To formulate the tests guidelines of distinctness,uniformity and stability for new varieties of Ulmus.[Method] Main characteristics of 31 species,varieties,clones and authorized new varieties of Ulmus at home and abroad were accurately described and scientifically classified on the bases of field survey,specimen collection and literatures consultation. [Result]38 standard characteristics were screened and identified,105 express status or levels were divided. [Conclusion]The result provides scientific references for the identification of elm species and the distinctness,uniformity and stability（DUS） test of new varieties.

关 键 词：植物新品种 DUS测试指南 榆属 性状特征 

分 类 号：S718.46[农业科学—林学]