不同基因型马铃薯块茎损伤性状的综合评价

被引:27
作者
张建华
金黎平
谢开云
庞万福
卞春松
段绍光
屈冬玉
机构
[1] 中国农业科学院蔬菜花卉研究所
关键词
马铃薯块茎; 损伤评价; 聚类分析; 多元方差分析; 主成分分析;
D O I
暂无
中图分类号
S532 [马铃薯(土豆)];
学科分类号
090104 [作物信息科学与技术];
摘要
【目的】筛选马铃薯块茎耐损伤种质,为损伤相关研究及育种提供理想材料。【方法】选用104份马铃薯品种(系),了解其表皮擦伤、内部损伤和损伤变色3个损伤指标并进行主成分、聚类和多元方差分析。【结果】主成分分析得到的主成分的特征向量值,表皮擦伤远大于内部损伤,内部损伤大于损伤变色。系统聚类分析把104份马铃薯品种(系)分为6个类群,类群间的3种损伤性状存在显著差异。【结论】3种损伤对块茎整体损伤的影响程度为:表皮擦伤>内部损伤>损伤变色,而且得到块茎整体损伤耐性理想的品种(系)类群。简化了损伤性状的研究,为后续的损伤性状研究提供了理想材料。
引用
收藏
页码:198 / 203
页数:6
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