112 



.FUNGOID PESTS OF CULTIVATED PLANTS. 



A 





> 



'- 



, 



FIG. 12. APPLE MILDEW (Spharotheca Mali). 



As the mycelium of the fungus appears to be perennial in the tissues, diseased 

 shoots should be removed along the line marked I. Spraying does not 

 check this disease. The point affected should be all cut away. 



