APPLE DISEASES 



107 



The Greening seems to be free from the brown spot but is 

 very apt to be disfigured by the sooty spot. 



Bi-oivn Spot of the Foliage. — In all of our spraying experi- 

 ments during the past four or five years, the Bordeaux mixture 

 has appeared to have but little if any effect upon this disease. 



Apple Scab. — This disease has done but little damage to 

 Baldwins in this part of the state at least for three or four years. 



_^,ys»/'.". ' '■'.■.v,T"''-."»"»'!>'.;'Vtt,.. 



Fig. 39. — Sooty Spot of Apple. 



When it does make its appearance on this or other varieties it 

 readily yields to Bordeaux mixture. The same is true of the 

 scab and crackhig of pears. 



' When to Spray for the Furigous Diseases of the Apple 

 and Pear. — Spray once before the blossotns open, again as 

 soon as the petals fall, and a third time two weeks later. As in 

 case of potato diseases the number of sprayings may have to be 

 increased in rainy weather. 



BORDEAUX MIXTURE 



The Bordeaux mixture continues to recommend itself as the 

 best all-round remedy for fungous diseases. It is efficient, it is 

 cheap, and it is easily prepared when one once gets the 

 " hang" of it and is willing to take pains. Directions should 

 be carefully follow^ed by those who are unfamiliar with its 

 preparation. 



The ingredients of the Bordeaux mixture are blue vitriol, 

 lime, and water. The ingredient which kills the fungus is the 



