期刊
THEORETICAL AND APPLIED GENETICS
卷 110, 期 4, 页码 640-648出版社
SPRINGER
DOI: 10.1007/s00122-004-1889-0
关键词
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Using three Chinese wheat cultivars, 'Bainong 3217', 'Beijing 837' and 'Laizhou 953', as recurrent parents, 33 near-isogenic lines (NILs) carrying 22 powdery mildew resistance genes (Pm1c, Pm2, Pm4b, Pm12, Pm13, Pm16, Pm20, Pm21, Pm23, and 13 undocumented genes) were developed. All NILs had no significant difference to their recurrent parents in the investigated traits of agronomic importance. The results of AFLP analysis indicated Jaccard's genetic similarity of the NILs with their recurrent parents varied from 0.96 to 0.98, and confirmed that the NILs had high genetic similarity with their recurrent parents. The resistance to powdery mildew was stably expressed by the relevant NILs. Eleven of the NILs were tested using molecular markers linked to the resistance genes Pm1c, Pm4b, Pm13, Pm21, PmP, PmE, PmPS5A, PmPS5B, PmY39, PmY150, and PmH, and they were all found to carry the targeted genes. The potential application of these NILs in gene discovery is discussed.
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