Drupaceous Fruits 



83 



The side which is attacked is dwarfed, often cracked, and 

 the flesh adjacent to the diseased part is green and bitter, 

 even after the normal portions are ripe. Leaves and twigs 

 are also affected. 



Fig. 42. — Peach scab. Original. 



Scab develops in most serious form during rainy seasons, 

 and is more prevalent upon certain late varieties as Health, 

 Salway, and Bilgen. It is reported from Missouri to have 

 done damage equal to 70 per cent of the value of the crop, 

 and Selby estimated the loss in one crop in Ohio at from 20 to 

 50 per cent. 



