. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Jul. 842, U. S. Dept. of Agriculture Plate Leaves of Wheat Plants Affected by Tylenchus tritici. A, Month-old seedling from the greenhouse, inoculated by placing a few drops of water containing larvse on the seed when planted. Note the abnormal wrinkling of the central leaf. B, Leaf from an infected greenhouse seedling, showing the characteristic wrinkling, rolling, and twisting caused by the nematodes. C, Part of an almost mature field-grown plant the head of which contained many nematode galls. The upper leaf oft
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Jul. 842, U. S. Dept. of Agriculture Plate Leaves of Wheat Plants Affected by Tylenchus tritici. A, Month-old seedling from the greenhouse, inoculated by placing a few drops of water containing larvse on the seed when planted. Note the abnormal wrinkling of the central leaf. B, Leaf from an infected greenhouse seedling, showing the characteristic wrinkling, rolling, and twisting caused by the nematodes. C, Part of an almost mature field-grown plant the head of which contained many nematode galls. The upper leaf often is found tightly rolled on such 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.
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