WELL TESTED INSECTICIDES 485 



6a. KEROSENE EMULSION. Kitchen formula : 



Dissolve 1 inch cube soap in 1 pint hot water ; add 1 pint kerosene. Churn 



with egg beater. 



For growing plants, dilute! to 2 or 3 gallons water. For dormant 

 plants, 1 gallon. 



7. MISCBIBLE OILS: 



Commercial preparations of oil so treated as to mix directly with 

 water. Follow directions on container. Uses same as 3, 4, 5, 6, 8, 9, 

 and 10. 



8. STRAIGHT KEROSENE OR WATER WHITE OIL : 



Water white oil (42 Baume) or kerosene, 20 gallons; water, 200 gallons. 

 In use for scale insects of citrus trees. Application by power outfit. 



9. SOAP SOLUTION : 



Soap, 1 pound; water, 5 to 15 gallons. 



Whale-oil or fish-oil soap preferable, but for small amounts any 

 yellow laundry soap will answer. 



For plant lice and other sucking insects during summer. 



9a. SOAP SOLUTION. Kitchen formula : 

 1*4 inch cube soap; 1 gallon warm water. 



10. HOMEMADE SOAP: 



Water, 6 gallons; lye (98%), 2 pounds; fish oil, \ l / 2 gallons. 



Add lye to water in boiler. When dissolved and water boiling, pour 

 in the fish oil, stirring in mean time, and boil slowly for two hours. 

 This will give about 40 pounds soap. 



For use, dilute with 5 to 15 gallons water for each pound. 



For same pests as No. 9. 



11. TOBACCO OR NICOTINE : 



a. Blackleaf 40 (40% nicotine), 1 pint; water, 200 gallons. 



b. Tobacco stems, 1 pound; water, 4 gallons. 



Steep stems in 1 gallon warm water and dilute to 4 gallons. 



For plant lice and other sucking insects during growing season. 

 For Woolly Aphis and Peach Aphis underground. A liberal solution, 

 or the dry dust in early winter, about the base of the tree, the surface 

 soil first being removed. 



12. TOBACCO SOAP : 



Blackleaf 40, 1 pound (1-10 gal.) ; cresol soap, 1 gallon or 

 Whale-oil soap, 10 pounds ; water, 200 gallons. 



The cresol soap requires no heating. 



Uses same as 11. Penetrating and wetting power better. 



13. LIME SULPHUR TOBACCO: 



Commercial lime sulphur 36, 2.1 gallons; blackleaf 40, 14 fluid ounces; 

 water, 200 gallons. 



For Orange Thrips. 



14. CARBOLIC LIME: 



Quicklime, 150 pounds ; crude carbolic acid, 2 gallons ; water, 200 gallons. 

 For Pear Thrips. 



