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Identification of QTLs Associated with Fusarium Head Blight Resistance in Barley Accession CIho 4196

^a Dep. of Plant Sciences, North Dakota State Univ., Fargo, ND 58105-5051
^b Dep. of Crop and Soil Sciences, Washington State Univ., Pullman, WA 99164-6420
^c Plant Sciences Dep., Univ. of Arizona, Tucson, AZ 85721-0036
^d Univ. of Nebraska, Scottsbluff, NB
^e Dep. of Plant Pathology, Univ. of Minnesota, 495 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN, 55108
^f Dep. of Plant Protection, Zhejiang Univ., Hangzhou City 310029, China

View larger version (46K): [in a new window]   Fig. 1. Foster x CI4196 map. Map was generated based on 144 recombinant inbred lines. Only a single marker is shown at each locus, although in some cases multiple markers segregated at the same locus. For an expanded map of the Vrs1 region showing all markers, see Fig. 2. Expressed sequence tag markers are identified by their accession number; jfr or jfc markers are wheat RGAs from Dr. John Fellers (Kansas State University) and refer to locus designations used in his laboratory; ctg markers refer to contig numbers in HarvEST (http://harvest.ucr.edu, cited 21 June 2005, verified 9 Aug. 2005).

View larger version (33K): [in a new window]   Fig. 2. Foster x CI4196 chromosome 2H ABC306–MWG882 region expanded map. Map was generated using 56 lines containing a recombination in the chromosome 2H region selected from the Foster x CI4196 recombinant inbred population. This map contains some markers not found in Fig. 1. The map distances were adjusted to correspond to the map distances based on the population used to generate the whole genome map in Fig. 1 and are approximately to scale.

View larger version (56K): [in a new window]   Fig. 3. Plot of the test statistics from the simple interval mapping analyses of the Foster/CIho 4196 mapping population for chromosome 2H for mean spike angle (Angle), relative spike density (Density), deoxynivalenol concentration (DON), Fusarium head blight severity (FHB), days to heading (Hddt), plant height (Height), and number of rachis nodes with fertile spikelets (Node) averaged across environments. The bin location appears in parentheses behind selected markers.