Small Fruits 115 



colored area, hyphae may be seen. Serious defoliation often 

 results. Bordeaux mixture should be used : five applications 

 at ten- to fourteen-day intervals, beginning as soon as the 

 leaves open. 



Anthracnose ^^- (Pseudopeziza ribis Kleb., Gloeosporium) . — 

 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, in the Hudson River region, and in Oregon. It has 



Fig. 57. — Currant anthracnose. Alter Stewart and Eustace. 



also been noted in Ohio, Iowa, New Jersey, and is probably 

 often present to a slight extent in other states. It is less 

 common on gooseberries. 



In a severe outbreak the leaves first become covered with 

 small, dark-brown spots, change to yellow, and soon fall. 

 By the time the fruit has ripened, practically all of the 

 leaves may be lost. Upon the leaf stalks, also upon the fruit, 

 stems, and canes, the disease appears as little, black, sunken 

 spots. On the berries the spots are circular and black, much 

 resembling fly specks. The causal fungus probably winters 

 upon the canes, ready to initiate the spring infection. 



