Curly-top, a disease of the sugar beet . Fig. 2.—Garden Beets Four Months Old Free from Curly-Top. Bui. 122, Bureau of Plant Industry, U. S. Dept. of Agriculture. Plate Fig. 1.—Sugar Beet Field in which Nearly all the Plants in the Foregroundhave been destroyed by curly-top. f- k*
Size: 1801px × 1388px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1900, bookdecade1900, bookpublisherwashingtondcgpo