Curly-top, a disease of the sugar beet . - •••. SV^ Fig. 2— Field of Sugar Beets Seriously Affected with Curly-Top, ShowingHere and There an Apparently Healthy Beet. Jul. 1 22, Bureau of Plant Industry, U. S. Dept. of Agriculture. Plate X.

---

Size: 2349px × 1064px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bo, bookcentury1900, bookdecade1900, bookpublisherwashingtondcgpo