SMALL FBUITS 153 



although sometimes irregular in outline, generally about 

 3 mm. in diameter. In the center of the brown or gray 

 discolored area very minute pycnidia may be seen in the 

 case of septoriose ; hyphse in the case of cercosporose. 

 Defoliation, often serious to the plant, results. 



Fig. 65. — Currant anthracnose. After Stewart and Eustace. 



The Bordeaux mixture is far superior to ammoniacal 

 copper carbonate for these diseases. Five applications at 

 ten- to fourteen-day intervals are needed, beginning as soon 

 as the leaves are open. 



Anthracnose {Pseudopeziza Ribis Kleb.).- — The leaves, 

 fruit stalks, berries, and canes are affected. Usually 

 the disease is not present to great extent, but a few 

 serious outbreaks have occurred, notably in central New 

 York and in the Hudson River region. It has also been 

 noted in Ohio, Iowa, New Jersey, and is probably often 

 present to a slight extent in a number of other states. 



