220 DISEASES OF TROPICAL PLANTS 



CH. 



due to a small insect, or more strictly speaking a mite, 

 Eriophyes (Phytoptus) calacladophora, Nal., but is 

 frequently mistaken for a fungus disease, and for that 

 reason is mentioned here. These small mites attack the 

 stems and leaves, causing an irritation which results in 



FIG. 75. Tomato affected with Phytoptosis. 



the formation of an enormous number of plant hairs. 

 This abnormal growth of plant hairs gives the plant a 

 fuzzy appearance, and is frequently mistaken for a fungus 

 growth. This pest can be controlled by the use of the 

 sulphur caustic soda mixture. Mix in a wooden vessel 

 30 pounds of flowers of sulphur with enough water 



