72 Nebraska Agricultural Exp. Station, Research Bui. 10 
Some varieties of apples are injured more than others, but no 
variety is entirely free. The varieties Early Harvest, Ralls, 
Rome, Chenango, Snow, Missouri, York, and Maiden Blush are 
perhaps less seriously injured than are the other well-known 
varieties of apples, but since they are also less important the 
question of varietal susceptibility can be given little consideration 
in attempting to ehminate the trouble. 
Bordeaux injury first appears on the fruit as small dark-colored 
spots regular in outline and occurring singly or in long clusters. 
Usually injury occurs on the upper side of the fruit but not un- 
commonly almost the entire surface is covered. Soon after the 
spots are first noticed the skins become roughened. Small ridges 
or veins connect the different spots so that the skin presents a 
corky, netted appearance. In cases of severe injury, the apples 
Fig. 15— A light case of Bordeaux injury on fruit 
Fig. 16 — A severe case of Bordeaux injury on fruit 
