. Circular. Agriculture; Agriculture -- United States. NEMATODE GALLWOEM ON POTATOES, ETC., IN NEVADA. 13 SUMMARY. During the seasons of 1910 and 1911 there has been a serious infestation of certain potato fields in Nevada caused by a nematode fralhvorni known as Heterodera radicicola. This has resulted in hin- dering the marketing of Nevada potatoes in California, where the crop has been sold Fig. 16.—Radish show- ing root Piilarf;('inents caused by the gall- worm. Care sliould be taken not to con- fuse these enlarge- ments with those of clubroot, a disease oc- curring on cabbage


. Circular. Agriculture; Agriculture -- United States. NEMATODE GALLWOEM ON POTATOES, ETC., IN NEVADA. 13 SUMMARY. During the seasons of 1910 and 1911 there has been a serious infestation of certain potato fields in Nevada caused by a nematode fralhvorni known as Heterodera radicicola. This has resulted in hin- dering the marketing of Nevada potatoes in California, where the crop has been sold Fig. 16.—Radish show- ing root Piilarf;('inents caused by the gall- worm. Care sliould be taken not to con- fuse these enlarge- ments with those of clubroot, a disease oc- curring on cabbage, turnips, and related plants. (After J. C. Neal.). 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. Bureau of Plant Industry. Washington, D. C. : U. S. Dept. of Agriculture, Bureau of Plant Industry


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