南方农业学报Issue(2)：188-193,6.DOI:10.3969/jissn.2095-1191.2015.2.188
甘蔗属割手密种云南82-114 F1代灰色关联度综合评价及分类
Comprehensive evaluation and classification of generation F1 derived from Saccharum spontaneum Yunnan 82-114 by using gray correlation degree
摘要
Abstract
Objective]The present study was conducted to evaluate and classify 64 accessions of S. spontaneum Yunnan 82-114 F1 in order to provide references for screening improved germplasm resources. [Method]The gray correla-tion degree based on the theory of gray breeding was put to use in comprehensive evaluation and classification of nine traits of 64 generation F1 derived from Yunnan 82-114. [Result]The results showed that the top 10 materials in gray cor-relation degree ranking of all materials were as fellows: Yunrui 08-155, Yunrui 08-52-1, Yunrui 08-147, Yunrui 08-157, Yunrui 08-197, Yunrui 08-105, Yunrui 08-111, Yunrui 08-96, Yunrui 08-52-2, Yunrui 08-83. There were five materials exceeding the control variety ROC22 and ten materials over YT93-159 in gray correlation degree ranking , respectively. While the other 54 materials did not exceed both of two control varieties. The triangle matrix was constructed by using gray correlation degree among the 64 materials. The 64 materials were classified into 22 types when the equiva-lence matrix λ was 0.910, and most of them could be classified into a type by oneself. The results of gray correlation de-gree evaluation and cluster analysis indicated that, Yunrui 08-155, Yunrui 08-52-1, Yunrui 08-147, Yunrui 08-157, Yunrui 08-197, Yunrui 08-105 and Yunrui 08-96 could be used as key materials for cross breeding. [Conclusion]Com-bining gray correlation degree evaluation with cluster analysis is a convenient and forthright evaluating method , and is very available on guiding high-efficient screening , crossing and utilization of sugarcane germplasm resources.关键词
甘蔗/割手密种/灰色关联度/综合评价/聚类分析Key words
sugarcane/S. spontaneum/gray correlation degree/comprehensive evaluation/classification分类
农业科技引用本文复制引用
桃联安,经艳芬,董立华,周清明,安汝东,杨李和,朱建荣,郎荣斌..甘蔗属割手密种云南82-114 F1代灰色关联度综合评价及分类[J].南方农业学报,2015,(2):188-193,6.基金项目
云南省重点新产品开发计划项目（2012BB014）；云南省应用基础研究计划面上项目 （）
