116 DISEASES OF ECONOMIC PLANTS 



APRICOT 

 Yellows. See peach. 

 Phyllostictose. See peach. 

 Brown rot. See peach. 

 Blight {Bacillus amylovorus (Burr.) De Toni). — The 





Fig. .50. — Unsprayed cherry tree defoliated by leaf spot. After Scott. 



usual blight of the apple and pear has been reported upon 

 the apricot by Paddo«k. 



CHERRY 



Leaf spot (Cylindrosporium Padi Karst). — For de- 

 scription, see plum. The disease is very widespread 

 throughout the United States, and it is often very de- 

 structive. The loss in Ohio in one year was estimated at 



