. Department bulletin. Agriculture; Agriculture. \ / aJ| b. Wheat Plants Infested by the Hessian Fly Compared with an Uninfested Plant. A, B, and'C, Spring-wheat plants infested by the. Hessian fly; D, healthy plant of the same age for comparison. The infested plants are much dwarfed and show the same dark-green color in comparison with the healthy plant as is shown in Plate II, D and E. E, Winter- wheat plants infested by the Hessian fly, showing larvse (1) and puparia (2) (flaxseeds) of the insect. The leaf sheaths have been stripped Please note that these images are extracted from sc


. Department bulletin. Agriculture; Agriculture. \ / aJ| b. Wheat Plants Infested by the Hessian Fly Compared with an Uninfested Plant. A, B, and'C, Spring-wheat plants infested by the. Hessian fly; D, healthy plant of the same age for comparison. The infested plants are much dwarfed and show the same dark-green color in comparison with the healthy plant as is shown in Plate II, D and E. E, Winter- wheat plants infested by the Hessian fly, showing larvse (1) and puparia (2) (flaxseeds) of the insect. The leaf sheaths have been stripped Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. Washington, D. C. The Dept. : Supt. of Docs. , G. P. O.


Size: 1133px × 2207px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauth, bookcentury1900, bookdecade1920, booksubjectagriculture