268 Coco-nuts The Consols of the East 



rosin and soda make 4 gallons of rosin com- 

 pound stock solution as above. Stir the 

 whale-oil soap in 5 gallons of hot water ; mix 

 the two whilst hot. This is the stock solution. 

 To every gallon add 4 gallons of water. An 

 alternative method is to make the rosin com- 

 pound stock solution. For use, mix i gallon 

 with 10 gallons of water and stir in i\ Ib. of 

 whale-oil soap. Every 45 gallons of wash 

 should contain the above ingredients, how- 

 ever mixed. 



Whale-oil Soap and Kerosene Emulsion. 

 The ingredients are : Whale-oil soap 10 Ib. ; 

 kerosene oil 12 pints; water 20 pints. The 

 whale-oil soap should be boiled in water until 

 it is thoroughly dissolved, and the kerosene 

 churned in to form an emulsion as described 

 on p. 267. This is the stock solution with the 

 kerosene emulsion, and is sufficient to make 

 25 gallons of spray mixture, using i pint of 

 stock solution to 4 pints of water. It might 

 be found, under certain circumstances, that 

 more dilute mixture would be useful, and trials 

 might be made of different strengths down to 

 i pint of stock solution to 8 pints of water. 



APPLICATION OF INSECTICIDES. 



These washes are usually applied by means 

 of a spraying machine or of a garden syringe; 

 but young plants in the nursery may be treated 

 by dipping them into a tub or trough of suitable 

 size, or by washing them with the insecticides, 



