. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 4 BULLETIN *734, U. S. DEPARTMENT OF AGRICULTURE. Table I.—Results of the analyses of commercial wheat samples for the presence of nematode galls. State where grown. Number of samples. California. Kentucky. Illinois Iowa Maryland. Minnesota. Mississippi 1 266 8 3 1 172 91 3 201 85 163 1 223 163 Per com of sam- ples showing gall. Trace. 0 0 0 0 0 0 0 0 0 0 0 0 State where grown. Nebraska New New York Ohio Oklahoma Oregon Pennsylvania.


. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 4 BULLETIN *734, U. S. DEPARTMENT OF AGRICULTURE. Table I.—Results of the analyses of commercial wheat samples for the presence of nematode galls. State where grown. Number of samples. California. Kentucky. Illinois Iowa Maryland. Minnesota. Mississippi 1 266 8 3 1 172 91 3 201 85 163 1 223 163 Per com of sam- ples showing gall. Trace. 0 0 0 0 0 0 0 0 0 0 0 0 State where grown. Nebraska New New York Ohio Oklahoma Oregon Pennsylvania. North Dakota. South Dakota. Virginia West Virginia. Wisconsin Not known ... Number of samples. 23 1 44 204 4 127 193 83 108 52 1 1,000 Per cent of sam- ples showing gall. Xo samples were found outside of the States of California and Virginia having wheat infected with these nematode galls, and it would seem at the present writing that the disease is confined mostly. FlG. —A, Nematode galls; B, wheat containing an admixture of galls for comparison with A. Lower, galls and wheat enlarged 3X. C, wheat to the State of Virginia. Eleven per cent of the samples of the Food Administration from Virginia showed the galls to be present to a greater or less degree. One of the California samples had galls present in the dockage determination separation. DESCRIPTION OF THE GALLS AND DISEASED PLANTS. The'galls which have been photographed and are shown in figure 2 in comparison «with sound wheat are irregular in shape, shriveled,. 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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