数字农科院2.0

烟粉虱B型和Q型群体遗传结构的RAPD分析

文献类型: 中文期刊

作者: 褚栋;陈国发;徐宝云;吴青君;张友军

作者机构:

关键词: 烟粉虱B型;烟粉虱Q型;遗传结构;RAPD

期刊名称:昆虫学报

ISSN: 0454-6296

年卷期: 2007 年 50 卷 03 期

页码: 264-270

收录情况: 北大核心 ; CSCD

摘要: 近20年来,烟粉虱B型传入世界各地并暴发成灾,成为一种重要的农业入侵害虫;烟粉虱Q型则是近几年引起人们高度重视的一种新的入侵生物型,目前已传入许多国家并造成一定危害。本文利用RAPD分子标记对烟粉虱B型和Q型不同地理种群的遗传结构进行了分析。结果表明:(1)引物H16对烟粉虱B型不同种群扩增的特异带,能有效区分烟粉虱B型和Q型、浙江非B/Q型种群;(2)烟粉虱Q型种群各项遗传多样性指数均比烟粉虱B型的要高;(3)我国烟粉虱Q型来自伊比利亚半岛的可能性比来自中东地区的可能性要大。另外,聚类分析结果提示,RAPD分子标记能有效地区分烟粉虱不同生物型,但可能不适用于生物型之间亲缘关系分析。

分类号: S433

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