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Figure 8. Spatial pattern of dollar spot disease incidence on (A) 28 June 2000, (B) 2 Aug. 2000, (C) 22 June 2001, (D) 30 Aug. 2001, (E) 2 July 2002, and (F) 30 Aug. 2002, representing dates early (A, C, and E) and late (B, D, and F) in disease epidemics of each year. Decile scale to the right of each map represents block estimates of dollar spot foci 0.081 m2. Maps generated by kriging of disease incidence data from sampling locations shown in Fig. 1 and 2. Maps are oriented with north at top, and east and north coordinates on x and y axes.