COCCIDM 



139 



For measures of treatment where exclusion is not possible, 

 there are two or three fairly effective remedies in the killing 

 of the scale. One of these is kerosene emulsion, made by 

 agitating kerosene and soapsuds. One gallon of water, 



Fig. 92. — San Jose scale on leaves aiul fruit. (Photo from Ohio Exp. Sta.) 



one-half pound of soap brought to the boiling point and then 

 mixed (away from the fire) with two gallons of kerosene 

 and then agitated into an emulsion by a force-pump or egg- 

 beater. This is diluted with soft water, one part of emul- 

 sion to eight or nine parts of water. 



