RATIONAL FRUIT CULTURE 



73 



yellow, white, or variegated, sometimes on a single branch, 

 and sometimes on the whole tree. The new wood is weak, 

 tha foliage small, and the fruit worthless. As lime seems tp 

 favour the disease, it should not be applied to an infected area. 

 In spring, water the ground thoroughly with a solution of iron 

 sulphate, one ounce to the gallon of water. 



Coral-Spot Disease. — Apple, Pear, Currant. The leaves 

 wither and fall, the bark shrivels, and in a few weeks coral- 



Fig. 26 Coral-spot Disease. 



r'ed globules appear on it. Spraying seems to be useless. 

 Cut off all diseased branches — if possible, well into healthy 

 wood — and burn them. Coat all wounded surfaces with tar. 



Gnmmosis. — Plum, Cherry, and other stone-fruits. The 

 spores of this fungus are produced early in spring in small 



