四川小麦主栽品种醇溶蛋白遗传差异分析

被引：22

作者：

陈玉清

郑有良

魏育明

机构：

[1] 四川农业大学小麦研究所!四川都江堰

来源：

四川农业大学学报 | 1999年 / 03期

关键词：

小麦; 品种; 醇溶蛋白; 遗传距离; 聚类分析;

D O I：

10.16036/j.issn.1000-2650.1999.03.004

中图分类号：

S512.103 [];

学科分类号：

摘要：

采用酸性聚丙烯酰胺凝胶电泳（ＡＰＡＧＥ）对四川省近５０年来年推广面积６６６万ｈｍ２以上的４０个小麦主栽品种进行醇溶蛋白位点特异性检测，分析了不同基因型间醇溶蛋白的遗传差异。结果表明：４０个品种具有３８种醇溶蛋白带型，其中９个品种具有１ＢＬ／１ＲＳ易位标记位点ＧｌｉＢｌｌ；醇溶蛋白电泳分离出的４６条带中，４０条具有多态性，占８４８％。供试品种间遗传距离（ＧＤ）在０～０６７之间，平均值为０３３，遗传变异较大，特别是早期品种与近２０年育成品种间，以及１ＢＬ／１ＲＳ易位系品种与非１ＢＬ／１ＲＳ易位系品种间均具有较大的遗传距离。聚类分析表明：供试品种在遗传距离０３５水平上明显聚为４类，具有相同血缘的品种大多数聚在了同１类。分析认为，四川小麦品种醇溶蛋白变异丰富，存在广泛的遗传多样性

引用

页码：254 / 260

页数：7

共 24 条

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