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Advances of Wheat Breeding for Barley Yellow Dwarf Virus Resistance by Biotechnology

机译：小麦抗大麦黄矮病毒的生物技术研究进展

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摘要

Wheat yellow dwarf is a serious disease of wheat infected by barley yellow dwarf virus (BYDV). All wheat collections tested have been proven vulnerable to BYDV infection. However, Thinopyrum intermedium (Host) Barkworth and Dewey(syn. Agropyron intermedium (Host) P B), a hexaploid perennial Triticeae species(2n = 6x = 42. E_1E_2X = JJ~sSt), contains at least two genes resistant to BYDV located on the chromosomes of group 7 and group 2, respectively. The wheat- Th. intermedium addition line L1 carries the BYDV resistance gene located on the alien chromosome 7X, showing good resistance to PAV serotype of BYDV. Meanwhile, the wheat-Th. intermedium partial amphiploid Zhong4 Awnless carries another BYDV resistance gene, different from that of L1, located on the chromosome of group 2. It showes better resistance to GAV and GPV serotypes of BYDV. Amphidiploid CPI 113500 derived from Agropyron pulcherrimum also showes good BYDV resistance. Some derivative lines from these resistance sources were developed and they can be used for wheat breeding programm for BYDV resistance.
机译：小麦黄矮病是被大麦黄矮病毒（BYDV）感染的小麦的一种严重疾病。已证明所有测试的小麦收成均易受BYDV感染。然而，中间的Thinopyrum intermedium（寄主）Barkworth和Dewey（syn。Agropyron intermedium（寄主）PB），一种六倍体多年生黑麦草种（2n = 6x =42。E_1E_2X= JJ〜sSt），包含至少两个对BYDV抗性的基因第7组和第2组的染色体。麦Th。中间添加系L1携带位于外来染色体7X上的BYDV抗性基因，显示出对BYDV的PAV血清型的良好抗性。同时，麦-。中间部分二倍体Zhong4 Awnless在第2组染色体上携带另一个不同于L1的BYDV抗性基因。它显示出对BYDV的GAV和GPV血清型更好的抗性。源自土壤杆菌的二倍体CPI 113500也显示出良好的BYDV抗性。从这些抗性来源开发了一些衍生品系，它们可用于小麦抗BYDV的育种程序。

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