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Fig. 2. Graph of LOD scores from recombinant inbred lines grown in the West Madison, Arlington, and Marshfield environments for tassel branch angle (screened line) and tassel branch number (screened, dotted line), in the West Madison environment for leaf angle (solid line), and in Arlington and Marshfield environments for leaf angle (solid, dotted line). Tick marks on the x-axis indicate position of molecular markers. The closest marker to significant QTL is indicated below the x-axis. A threshold (small dotted line) of LOD 
3.56 was used for QTL detection.
