240 



The Spraying of Plants. 



FUNGOUS DISEASES. 



APPLE. 



Bitter Rot; Ripe Rot (Glceosporium fructlgenum, Berk. G. 

 versicolor ?). Description. Apples are often seriously injured, 

 especially in some of the southern states, by a rot which causes 



FIG. 37. The bitter-rot of apples. 



a softening of the tissues of the fruit, and changes them from 

 their normal color to a brown (Fig. 37). This rot " takes fruit 

 at any stage of its growth from the time it is about three- 

 quarters of an inch in diameter until it is ripe." 1 It is by 



i Garman, Ky. Agric. Exp. Sta. 1893, Bull. 44, 4. 



