自1979年起,逐步形成了一套包括抗源搜集、筛选、分析、遗传研究和转育等5个步骤的抗源搜集、研究和应用体系。目的在于寻求尽可能多的,不同于1BL/1RS所含有的Yr9,Lr26和Pm8的,多样化的第二线抗源,并将它们转育到较好的遗传背景中去。至目前为止,已找到33个不同于上述基因的二线抗源,并用其中一些育成了62个农艺性状大为改善的抗病种质,已先后分发给兄弟单位应用。它们的进一步应用将会使我国小麦对这些病害的抗性更为持久,产量更为稳定。 Since 1979, a series of anti-source collection, research and application systems have been gradually formed, including five steps of anti-source collection, screening, analysis, genetic research and breeding. The aim is to find as many diversified secondary sources of resistance as Yr9, Lr26 and Pm8 contained in 1BL / 1RS and to transfer them into a better genetic background. To date, 33 second-line antigens have been found that differ from the above-mentioned genes and some of them have developed 62 disease-resistant germplasms that have greatly improved agronomic traits and have been distributed to fraternal units. Their further application will make our country’s wheat more resistant to these diseases, yield more stable.