SPRAYING PREPARATIONS, ETC. 1 53 



INSECTICIDES. 



PARIS GREEN. 



One pound of Paris green, 150 gallons of water and three 

 pounds of lime. Slake the lime with enough water to make a 

 thin paste. Mix the Paris green with this and add to the water, 

 or to Bordeaux mixture. 



ARSENATE OF SODA. 



White or powdered arsenic 2 pounds 



Carbonate of soda (washing soda) 8 pounds 



Water 2 gallons 



To be used at the rate of one quart to fifty gallons of water or 

 Bordeaux mixture. Put the two ingredients in a gallon of water 

 and boil fifteen to twenty minutes, and dilute with water to two 

 gallons. 



TOBACCO SMOKE AND TOBACCO WATER. 



Put a tent over the tree to be smok. '. "- 1 make a good smudge 

 of tobacco stems for a few moments. There must be no blaze. 



Tobacco water is made by soaking tobacco stems in water. If 

 too weak it will not kill the lice ; if too strong it will injure the 

 foliage. 



KEROSENE EMULSION. 



Hard soap, or whale oil soap ^ pound 



Water i gallon 



Kerosene 2 gallons 



Dissolve the soap in water by boiling and stirring. While the 

 water is still boiling take from the fire and add the kerosene. Mix 

 by pumping violently through a force pump for about ten minutes, 

 or until the mixture becomes a smooth, creamy mass so that the 

 kerosene will not separate from the water. For scale dilute the 

 emulsion ten times, i. e., use nine gallons of water to one of the 

 emulsion and apply before the buds open. For summer use, and 

 for other insects, dilute the emulsion twenty times. 



KEROSENE AND WATER. 



Use ten per cent, solution in summer, and twenty per cent, in 

 winter or early spring. In using this mixture it is necessary to 

 have pumps that are made especially for the purpose. 



