Curly-top, a disease of the sugar beet . Fig. 2.—The Same Beets Shown in Figure 1 with New Tops Four Weeks after Defoliation. Bui. 1 22, Bureau of Plant Industry, U. S. Dept. of Agriculture. Plate Fig. 1.—Garden Beets Four Months Old Showing Symptoms of Curly-Top.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookpublisherwashingtondcgpo