Three new rust resistance genes in flax introductions

K. Rashid, E. Kenaschuk
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引用次数: 1

Abstract

Abstract The genetics of resistance to flax rust (caused by Melampsora lini) in six flax (Linum usitatissimum) introductions from Argentina were investigated in a series of crosses with single-gene lines for rust resistance. These introductions proved resistant to the most virulent rust races in the North American collection of M. lini. Segregating patterns in F2 and BCF1 populations from crosses with the effective rust resistance genes indicated the presence of three resistance genes designated as Al, A2, and A3. These genes are different from the rust resistance genes present in the 30 single-gene lines used to differentiate the North American races of M. lini
亚麻引种的三个新的抗锈病基因
摘要对6个阿根廷引种亚麻(Linum usitatissimum)的抗锈病遗传进行了研究。事实证明,这些引种对北美M. lini集合中最毒的锈病种具有抵抗力。有效抗锈基因杂交组合F2和BCF1群体的分离模式表明,存在3个抗锈基因,分别为Al、A2和A3。这些基因不同于30个单基因系中存在的抗锈病基因,这些单基因系被用来区分北美白僵菌种
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