FUNGI AFFECTING THE CURRANT AND 

 GOOSEBERRY 



The Leaf=spot Disease 



Septoria rihis and Cercospora angulata 



The foliage of currants and gooseberries is often 

 attacked early in summer by two or more species of 

 fungi^ which, produce small brownish spots^ at first often 

 no larger than a pin head^ but gradually increasing in 



size until a consid- 

 erable jDroportion of 

 the leaf surface is 

 affected. Some- 

 times several spots 

 may run together, 

 forming a large 

 blotch ; and these 

 blotches, as well as 

 the older spots, are 

 often of a dead gray 

 color. When the 

 leaves are badly 

 attacked they fall 

 prematurely, so that 

 the bushes may be- 

 come as bare in 

 FIG. 45. SPOT DISEASE OF cuREAXTs. August as tlicy Or- 

 dinarily are in December. Of course, the effect upon 

 the plants of such a loss of foliage is disastrous. If a 

 heavy crop is already hanging the plant may be unable 



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