Disease resistance is a critical goal for many wheat Triticum aestivum L. Wheat cultivars are affected by multiple diseases including the rusts and powdery mildew. In field plot tests, the RILs segregated for resistance to stripe rust, stem rust, and powdery mildew, with the highest logarithm of odds LOD peak at the sequence tagged site marker csLV46, which is closely linked to Lr46 on chromosome 1BL.
Marker csLV46 had the highest LOD scores and R 2 values for powdery mildew resistance, followed by stripe rust and leaf rust resistance. Tests for stem rust resistance had the lowest LOD scores. An additional quantitative trait locus QTL on chromosome 7AL for leaf rust resistance derived from CI was detected in two of the three leaf rust tests. A QTL for stem rust resistance on chromosome 7AL derived from Thatcher was detected in two of the three stem rust tests.
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This article in CS Vol. Published: October 19, Lagudah b , M. Lillemo c , M. Lin d and G. Abstract Disease resistance is a critical goal for many wheat Triticum aestivum L.
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