应用SRAP(Sequence Related Amplified Polymorphism)标记,通过对6份待检测杂交油菜种子样品(油研50杂交种)和4份杂交油菜对照样品(油研9号、油研10号、油研11号和油研50)进行遗传多态性分析,计算出10份样品间的遗传相似性系数并绘制聚...应用SRAP(Sequence Related Amplified Polymorphism)标记,通过对6份待检测杂交油菜种子样品(油研50杂交种)和4份杂交油菜对照样品(油研9号、油研10号、油研11号和油研50)进行遗传多态性分析,计算出10份样品间的遗传相似性系数并绘制聚类分析图。以相似性系数的大小来鉴定6份待测样品的品种真实性。本研究为种子管理部门针对油菜种子执法提供了一种鉴定杂交种真实性的快速方法。结果表明:对10份样品进行SRAP引物组合筛选,在分析的80对引物组合中找到多态性引物组合39对,检测到多态性位点101个。经聚类分析表明,6份待鉴样品和对照样品油研50被聚为一类,它们之间的相似性系数在0.92~0.96之间,均大于0.9,而油研9号、油研10号、油研11号被聚为其它3类,它们与油研50之间相似性系数在0.37~0.48之间,均小于0.9。因此本研究认为,以相似性系数0.9为阈值是一种鉴定油菜杂交种真实性的可行办法。展开更多
文摘应用SRAP(Sequence Related Amplified Polymorphism)标记,通过对6份待检测杂交油菜种子样品(油研50杂交种)和4份杂交油菜对照样品(油研9号、油研10号、油研11号和油研50)进行遗传多态性分析,计算出10份样品间的遗传相似性系数并绘制聚类分析图。以相似性系数的大小来鉴定6份待测样品的品种真实性。本研究为种子管理部门针对油菜种子执法提供了一种鉴定杂交种真实性的快速方法。结果表明:对10份样品进行SRAP引物组合筛选,在分析的80对引物组合中找到多态性引物组合39对,检测到多态性位点101个。经聚类分析表明,6份待鉴样品和对照样品油研50被聚为一类,它们之间的相似性系数在0.92~0.96之间,均大于0.9,而油研9号、油研10号、油研11号被聚为其它3类,它们与油研50之间相似性系数在0.37~0.48之间,均小于0.9。因此本研究认为,以相似性系数0.9为阈值是一种鉴定油菜杂交种真实性的可行办法。
基金Supported by Science and Technology Foundation of Guizhou Province [(2011)2089]Engineering Technology Research Center Building Fund of Guizhou Province ([2012]4006)Excellent Scientific and Educational Governor Fund of Guizhou Province ([2009]06)~~
基金Supported by Special Fund for Seed Breeding from Guizhou Provincial Agricultural Committee[(2012)026]Agricultural Science and Technology Research Program of Department of Science and Technology of Guizhou Province[(2013)3003]+1 种基金Agricultural Science and Technology Research Program of Department of Science and Technology of Guizhou Province[(2013)3088]a grant from the Central Authorities of China for Supporting Local Platform Construction[(2011)4001]~~
基金Supported by National Natural Science Foundation of China "Functional analysis of transcription factor AtWRKY28 in development and morphogenesis of Orychophragmus violaceus"(31360262)Key Agricultural Science and Technology Project of Department of Science and Technology of Guizhou Province "Molecular Marker Development and Assisted Breeding of Recessive Epistatic Genic Male Sterile Lines of Rapeseed"(QKHNYZ[2012]3033)Special Fund of Guizhou Academy of Agricultural Sciences "BnaC.Tic40 (tic40) and BnRf (rf) Marker-assisted Breeding of Recessive Genic Male Sterile Three Lines of Rapeseed"(QNKYYZX[2012]002)~~