Insecticides and Fungicides 209 



FORMULA VI. — PARIS GREEN: DRY 

 (Poisonous Insecticide) 



Paris green • • /^ pound 



Flour or lime 20 pounds 



Mix thoroughly, and dust lightly on plants when dew 

 is on the leaves. 



FORMULA Vn.— PARIS GREEN: WET 

 {Poisonous Insecticide) 



Paris green % pound 



Quicklime 4 pounds 



Water 50 gallons 



Slake the lime in a small quantity of water, sprinkling 

 in the Paris green gradually, then add the balance of 

 the water. For peaches and plums, use only 3 ounces 

 of Paris green. 



FORMULA VIII. — KEROSENE EMULSION 

 [Contact Insecticide) 



Hard soap, shaved fine % pound 



Water I gallon 



Kerosene oil 2 gallons 



Dissolve the soap in boiling water; i-emove from fire 

 and pour in the kerosene while hot; churn this for ten 

 minutes, during which time it should change to a creamj^ 

 white mass. Keep this as a stock solution, using one 

 part to eight parts of water for plant -lice. For scale 

 insects, use one part of stock solution to four parts of 

 water. This should be applied when the trees are in a 

 dormant condition. 



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