1194 



THE FRUIT INDUSTRY ix XEW YORK STATE 



fruit, which at the same time shrinks slightly. As decay advances, 

 small tufts of grayish threads of the fungus appear near the center 

 of the original spots. Later the whole fruit is dotted with these 

 tufts (Fig. 394.) From these tufts the summer spores are devel- 

 oped, which are distributed the latter part of the summer to other 

 fruits. These spores live over until the following spring, when 

 they become a source of trouble again by producing infection. 



FIG. 395. BROWN ROT CANKERS ON 

 PLUM TWIGS 



If the fruit hangs in clusters, adjacent plums decay at the points 

 of contact, and the fungus thus spreads from fruit to fruit until 

 the whole cluster is lost. Fruit may also suffer after it is picked ; 

 plums that were apparently sound at picking may be rott 

 seriously in transportation, so that when they reach the mark 



