. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Bui. 842, U. S. Dept. of Agriculture. Plate Larv/e of Tylenchus tritici. A, Photomicrograph of the root of a wheat seedling growing in a tube of plant-nutrient agar and showing active eellike larvae accumulating about the root tip. The writer was unable to produce infection through the root, however. X 45. B, Masses of milk-white thread- like larvae photographed while actively moving about in a few drops of water after having escaped from the portion of a cut-open flower gall shown near the center of the photograph


. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Bui. 842, U. S. Dept. of Agriculture. Plate Larv/e of Tylenchus tritici. A, Photomicrograph of the root of a wheat seedling growing in a tube of plant-nutrient agar and showing active eellike larvae accumulating about the root tip. The writer was unable to produce infection through the root, however. X 45. B, Masses of milk-white thread- like larvae photographed while actively moving about in a few drops of water after having escaped from the portion of a cut-open flower gall shown near the center of the photograph. 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: 1274px × 1962px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauth, bookcentury1900, bookdecade1910, booksubjectagriculture