INSECTICIDE FORMUL/E. 17 



Iron sulphate ^ lb. 



Quicklime Jib. 



Paraffin (Solar distillate) 5 pts. 



Water 9 J gal. 



Caustic soda 2 to 2^ lb. 



Dissolve the iron sulphate in water, slake the lime in 

 a little water, then add more water and strain the solution 

 through a fine sieve into the iron solution. Add the 

 paraffin, and churn thoroughly, finally adding the soda. 



Uses. — For cleansing trees of mess and lichen, Mussel 

 Scale, insect ova, etc. 



Time to Apply. — November to March. 



5. Lime - Sulphur - Soda Wash— This is an excel- 

 lent winter wash, much used in the United States, and 

 known as the Oregon Wash : ■ . 



Lime ... 31b. 



Sulphur 31b. 



Salt 31b. 



Caustic soda lib. 



Water lOgal. 



Mix the lime and soda together, and slake with hot 

 water in which the sulphur has previously been incor 

 porated. Stir well, and add the salt; then the mixture 

 will generate heat and boil for some time. When this 

 ceases add water to make ten gallons. 



Uses. — A remedy for the Pear Bhster Mite, Mussel and 

 Oyster Scale ova. 



Time to Apply. — November to March. 



6. Winter Wash for Indoor Fruit Trees—This 

 is known as the Paraffin-Naphthaline Solution. Put into 

 a boiler 101b. of soft soap, add 3 pints of water, and heat 

 gently till quite liquid. Put 2 J pints of paraffin into 

 another vessel, and stand it in the hot liquid, keeping the 

 fire very low. Into the paraffin put lib. of stick naph- 

 thaline, and stir till dissolved. Remove all from the fire, 

 and whilst stirring the soap rapidly pour the paraffin solu- 

 tion slowly in, and stir until a good emulsion is formed. 



c 



