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林业科学 ›› 2011, Vol. 47 ›› Issue (6): 64-69.doi: 10.11707/j.1001-7488.20110610

• 论文 • 上一篇    下一篇

木瓜属植物新品种特异性、一致性和稳定性(DUS)测试指南的研制

臧德奎, 马燕, 杜淑辉, 孙居文   

  1. 山东农业大学林学院 泰安 271018
  • 收稿日期:2010-06-23 修回日期:2010-11-08 出版日期:2011-06-25 发布日期:2011-06-25

Development of a Guideline for the Conduct of Tests for Distinctness, Uniformity and Stability of Chaenomeles New Varieties

Zang Dekui, Ma Yan, Du Shuhui, Sun Juwen   

  1. Forestry College, Shandong Agricultural University Tai'an 271018
  • Received:2010-06-23 Revised:2010-11-08 Online:2011-06-25 Published:2011-06-25

摘要:

遵循国际植物新品种保护联盟及我国的相关规定,分析木瓜属植物品种的性状变异规律及其稳定性和相关性(DUS),探讨标准品种和测试性状的选择。筛选31个测试性状和12个标准品种用于新品种DUS测试; 其中,质量性状10个、数量性状6个、假质量性状15个,"*"号性状24个、非"*"号性状7个,每个性状的表达状态给以相应的代码。"*"号性状主要有株型、花色、花径、重瓣性、果实形状及果皮皱缩状况等。提出木瓜属植物新品种的特异性、一致性、稳定性判别标准。

关键词: 木瓜属, DUS测试指南, 标准品种, 测试性状

Abstract:

The characteristics variation pattern, stability and their relevance of varieties in the genus Chaenomeles were analyzed based on UPOV and China's assessment system. The selection principles of example varieties and testing characteristics were discussed. Twelve example varieties and thirty-one testing characteristics (10 qualitative, 6 quantitative, and of pseudo-qualitative) were adopted for DUS test. For each characteristic a code was given to express the state. Twenty-four characteristics were of asterisked, such as plant type, flower color, flower diameter, polyphyll state, fruit shape, and peel crimpled state, and seven ones were of non-asterisked. The assessment standard for Distinctness, Uniformity, and Stability was put forward.

Key words: Chaenomeles, DUS test guideline, example varieties, testing characteristics

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