66份青海审定小麦及86份人工合成小麦抗秆锈病小种Ug99的基因组成分析

发布时间：2018-03-30 00:08

本文选题：普通小麦　切入点：人工合成小麦　出处：《西北农业学报》2017年04期

【摘要】：为了分析抗秆锈病小种Ug99的基因在青海审定小麦和新合成的人工小麦中的分布状况,采用6个抗Ug99基因(Sr33、Sr36、Sr39、Sr40、Sr42、Sr43)的分子标记对青海省审定的66个小麦品种及86份人工合成小麦材料进行检测。结果表明:在青海审定的66个小麦品种中,有4个品种含Sr33,占检测品种数的6.06%;1个品种含Sr39,占检测品种数的1.52%;5个品种含Sr40,占检测品种数的7.58%;4个品种含Sr42,占检测品种数的6.06%;3个品种含Sr43,占检测品种数的4.55%;同时含有2个抗性基因的品种仅有2个,占检测品种数的3.03%。在86份合成小麦材料中,有38份材料含Sr33,占检测材料的44.19%;31份材料含Sr39,占检测材料的36.05%;9份材料含Sr40,占检测材料的10.47%;3份材料含Sr42,占检测材料的3.49%;6份材料含Sr43,占检测材料的6.98%;同时含有2种抗性基因的材料有17份,占检测材料的19.77%。在66个小麦品种和86份人工合成小麦材料均未检测出Sr36。人工合成小麦提供Ug99抗病基因资源,对改良普通小麦Ug99抗病性具有潜在价值。
[Abstract]:In order to analyze the distribution of Ug99 gene of culm rust resistant race in Qinghai validated wheat and newly synthesized artificial wheat, A total of 66 wheat varieties and 86 synthetic wheat varieties in Qinghai Province were identified by molecular markers of 6 Ug99 resistant genes, Sr33ONSr36ONSr39, Sr40, Sr42nr42Sr43. the results showed that, among the 66 wheat varieties approved in Qinghai, the results showed that, in Qinghai Province, 66 wheat varieties were selected and the results were as follows: (1) in Qinghai province, 66 wheat varieties were identified. Four varieties contain Sr33, accounting for 6.06% of the number of tested varieties; one variety contains Sr39, accounting for 1.522% of the number of tested varieties; five varieties contain Sr40, accounting for 7.58% of the number of tested varieties; four varieties contain Sr42, accounting for 6.06% of the number of tested varieties; three varieties contain Sr43, accounting for 4.55% of the number of tested varieties; and at the same time, There are only two varieties with two resistance genes, Out of 86 synthetic wheat materials, There were 38 materials containing Sr33, 31 materials accounting for 44.19% of the testing materials, 31 materials containing Sr39, nine materials accounting for 36.05% of the testing materials, nine materials containing Sr40, three materials accounting for 10.47% of the testing materials, three materials containing Sr42, six materials accounting for 3.4949% of the testing materials, accounting for 6.98% of the testing materials, and two kinds of resistant materials. There are 17 genetic materials. Sr36 was not detected in 66 wheat varieties and 86 synthetic wheat materials. Synthetic wheat provided Ug99 resistance gene resources and had potential value in improving Ug99 resistance of common wheat.
【作者单位】：中国科学院西北高原生物研究所;中国科学院大学;四川农业大学小麦研究所;
【基金】：中国科学院战略性A类先导科技专项子课题(XDA08030106) 青海省重点研发与转化计划项目(2016-HZ-808)~~
【分类号】：S435.121.41

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