. Annual report of the Cornell University Agricultural Experiment Station, Ithaca, Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 324 Bulletin 263. further information regarding the manifestations of the disease; and third, to suggest such preventive measures as seem most hkely to be of value.^ VARIETIES AFFECTED In the Chautauqua belt, it is naturally the Concord that is most often afifected. The disease has been seen in Niagaras, Moore's Early, Aga- wams, Pockliugtons, Wordens, Lindleys, Isabellas, Catawbas, and White Scuppernong, the latter from G
. Annual report of the Cornell University Agricultural Experiment Station, Ithaca, Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 324 Bulletin 263. further information regarding the manifestations of the disease; and third, to suggest such preventive measures as seem most hkely to be of value.^ VARIETIES AFFECTED In the Chautauqua belt, it is naturally the Concord that is most often afifected. The disease has been seen in Niagaras, Moore's Early, Aga- wams, Pockliugtons, Wordens, Lindleys, Isabellas, Catawbas, and White Scuppernong, the latter from Georgia. DISTRIBUTION There seems little doubt but that this disease is the one described by Selby and Van Hook ('07) as localized stem blight. At the time circular 64 was written, in February 1907, the disease was known for only two localities in Ohio, namely at Unionville, Ashtabula County, and at the Experi- ment Station vineyard at Wooster. Mr. E. L. Worsham sent the writer material from Atlanta, Georgia, under date of May 6, 1907, and from this the fungus causing the disease was readily isolated. This was on white Scupper- nong. Prof. H. H. Whetzel, of this de- partment, collected specimens of the dis- ease in Noble County, Indiana, May, 1904. Erie County, Pa., Port Hope, On- tario, Canada, and California may be admitted as doubtful sections. In New York, the disease is widely distributed in the Chautauqua belt. There, it is particularly destructive to young vines, but is also present in old vineyards where it seems to do less damage. The writer has collected or received specimens from Westfield, Brocton, Fredonia, Dunkirk, Silver Creek, Sheridan, Irving, and other places. In the " Niagara Triangle" it has been received or collected from near Hemlock, Romulus, Kendaia, Interlaken, Port Byron. Syracuse, Baldwinsville, Canandaigua Lake, and others. From the Keuka Lake. Photo July 20, 1908 Fig. 41.—Vine trimmed and tied but failed to put out shoots ^The writer is e
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