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[Development and molecular cytogenetic identification of 1RS.1BL Translocation lines derived from Triticale x
Xing-Feng Li1, Shu-Bing Liu, Zhen-Qiao Song
1Agronomy College of Shandong Agricultural University, Taian 271 018, China. b00007@sdau.edu.cn
Abstract:
In the progenies of octoploid Triticale Jinsong49 crossed with octoploid Tritileymus, a stable germplasm line named Shannong 030-1 was obtained. Its chromosome number was 42, and 21 bivalents could be observed at PMC MI. FISH analysis by using genomic DNAs from S. cereale and genomic DNAs from L. mollis as probes, respectively, showed that Shannong 030-1 contained a pair of translocation chromosome between rye and wheat, and had no genetic materials from L. mollis. C-banding analysis showed that it was translocation lines of 1RS.1BL. Resistance identification showed Shannong 030-1 was immune to powdery mildew.
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